significance of sexual reproduction
please answer fast
Answers
Answer:
Sexual reproduction is the process in which male and female gamete fuse to form zygote through a process called fertilization and it is important for plants as it provides variation to the progeny that helps in the better survival and help it to gain its own uniqueness within the species and remove the unwanted genes and lower the risk of getting a disease
Answer:
Sexual reproduction leads to variation which provides protection as different organisms will be more prone to different things
Related Questions
the blood, penetrating trauma, and infection in adjoining structures such as the war or sinuses are all routes in which infectious organisms:
Answers
The blood, penetrating trauma, and infection in adjoining structures such as the war or sinuses are all routes through which infectious organisms can spread. Therefore, it is true.
In the case of the blood, infectious organisms can enter the bloodstream and be carried to various parts of the body, potentially causing systemic infections. Penetrating trauma, such as wounds or injuries that breach the body's natural barriers, can provide a direct pathway for infectious organisms to enter tissues and cause localized infections.
Infection in adjoining structures, such as the ear or sinuses, can lead to the spread of infectious organisms from these sites to other nearby areas, causing secondary infections or complications.
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what would happen if sister chromatids were not pulled apart at anaphase 2
Answers
Answer and Explanation: Nondisjunction occurs when sister chromatids are not pulled apart at anaphase II. This will cause both sister chromatids/ homologous chromosomes to be pulled to just one pole of the cell.
Since the anaphase I stage in Meiosis I occurred without errors, this would result in four haploid gametes being produced.
However, two of these gametes will be normal, will have the normal number of chromosomes. The other two gametes would have an abnormal number of chromosomes and be aneuploid. One would have n+1 number of chromosomes, and the other would be n-1.
A nurse is providing teaching to a client who has hypertension and a new prescription for lisinopril. Which of the following adverse effects of lisinopril should the nurse instruct the client to report to the provider? Persistent cough Tinnites Mischeritiemper Alopeciat A nurse is proviting discharge teaching to a client who has tuberculosis and a new prescription for rifampin. Which of the folloving instructions should the nurse include? Wear a fiot and stiriser een whers golint outside * "Expect to have insomm while takied this medicatoe." 7rour unine will be ay or an Yout thaidd take this medication with fooki= A nurse is providing teaching to a client who has asthma and a new prescription for predinisone. Which of the following elient statements inticates an understanding of the teaching? "I will expect to lose weight whille on this medication " "Till take this medication with meals," "i will stop this medieation if ufecl anvious." 7 will check my pulse before taking this medication." A nurse is caring for a client who is receiving total parenteral nutrition (TPN). Which of the following actions should the nurse take? .0.0.000.0.0 Change the tubing every 48hr. Obtain blood glucose levels every 8hr. Infuse through a large peripheral vein. Monitor the client's weight daily.
Answers
A nurse is providing teaching to a client who has hypertension and a new prescription for lisinopril.
The adverse effects of lisinopril that the nurse should instruct the client to report to the provider are persistent cough.A nurse is providing discharge teaching to a client who has tuberculosis and a new prescription for rifampin. The instruction that the nurse should include is to wear a mask when going outside.
A nurse is providing teaching to a client who has asthma and a new prescription for prednisone. The client statement that indicates an understanding of the teaching is "I will check my pulse before taking this medication."A nurse is caring for a client who is receiving total parenteral nutrition (TPN). The action the nurse should take is to obtain blood glucose levels every 8 hours.
Lisinopril is a medication used to treat hypertension (high blood pressure) in adults and children who are at least 6 years old. The medication is an ACE inhibitor, which means it relaxes the blood vessels. The medicine is used to treat heart failure and reduce the risk of death after a heart attack.
Rifampin is an antibiotic medicine that treats tuberculosis (TB) infection. Rifampin can also be used to treat other infections caused by bacteria.
Prednisone is a steroid medication that relieves inflammation in the body. It is also used to treat many disorders such as arthritis, lupus, psoriasis, ulcerative colitis, allergic disorders, and asthma.
Total parenteral nutrition (TPN) is a feeding method that provides all the necessary nutrients to the body through a vein. TPN is necessary when a patient cannot get the nutrients they require from food or oral medication.
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Mitosis is a type of cell division. organize the images below to show the steps of mitosis.
Answers
Answer:
The correct order is F, E, C, G, H, A, D, and B (look at the image in the attached files)
Explanation:
Interphase: Stages G1, S, and G2. At this point probably, the chromatin duplication has already occurred, but it is still lax or dispersed. It has not condensed yet. Two pairs of centrioles are outside the nucleus (FIGURE F) Prophase: Centrioles move forward to the opposite poles of the cell. Chromatin is condensed and individual chromosomes are now visible. The nuclear membrane breaks into many pieces. Spindle apparatus -microtubules- forms. (FIGURE E)Metaphase: The polar and the kinetochore fibers drive each individual chromosome to the equatorial plane. This stage ends when all the chromosomes are completely arranged in the medial area. (FIGURE C)Anaphase: Sister chromatids separate and move to the opposite poles of the cells, driven by the microtubules. In each pole, there are a pair of centrioles (FIGURE G and H). Telophase: The nuclear membrane rearranges. Each sister chromatid becomes now a new chromosome. There is a pair of centrioles outside each of the nuclei. (FIGURE A)Cytokinesis occurs at the end of the cell division. The rest of the cell is divided into two new daughter cells. Each daughter cell is an identical copy of the other cell, with the exact same genetic material (FIGURE D). Decondensation of the genetic material of each new cell (FIGURE B).
Answer:
follow the attachment and you will get all right just pay attention which one is which
Explanation:
3. In the Pacific Ocean, there is a plate boundary between two tectonic plates: the Pacific Plate, which contains some of
the oldest oceanic crust on Earth, and the Mariana Plate. The Mariana Trench, the deepest oceanic trench on Earth,
is located at this boundary. Nearby, there is an arc of volcanic islands called the Mariana Islands. Based on this
information, what type of plate boundary is this? How do you know?
Answers
Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth.
There are different types of plate boundaries based on the movement of tectonic plates. The plate boundary in which a line of volcanic islands are present is called convergent plate boundary.
What is plate boundary?Plate boundary is the inter-region between two tectonic plates. The magma in the crest when undergo convection process and flow of this heated magma causes the movement of tectonic plates.
Based on the movement and sliding of the plates above the other there are three types of plate boundaries namely, divergent, convergent and transform plate boundaries.
Divergent plate boundaries originates when the plates moves apart these type of plate boundaries have the volcanic activities and shallow earth quake.
Convergent plate boundaries are where, the plates are moving edge to edge manner each other manner and buckles up to mountain. Convergent plate boundaries create the a chain of volcanoes parallel to the plates.
Transform plate boundary is created by plates sliding past each other which forms no volcanoes. Hence, the volcanic islands are in convergent plate boundary.
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all organisms must regulate gene expression by turning genes on and off in different cells at different times. in prokaryotic cells, related genes may be organized into operons , which can be turned on and off as a single unit. eukaryotes have more complex modes of control, includingthe packing of chromosomes, rna splicing (which can produce several mrnas from a single gene), and the control of translation. an understanding of gene regulation mechanisms has led to several interesting and important applications. for example, the loss of gene regulation can result in reproductive cloning , or out-of-control cell growth. and cancer can produce new live individuals, while therapeutic cloning can produce potentially therapeutic stem cells.
Answers
All organisms must regulate gene expression by turning genes on and off in different cells at different times: genes expression,
operons, RNA splicing, cancer, reproductive cloning, and therapeutic cloning.
Gene expression is the manner by way of which statistics from a gene are used in the synthesis of a useful gene product that enables it to supply end merchandise, protein or non-coding RNA, and in the end affect a phenotype, because of the very last effect.
Gene expression is a tightly regulated process that allows a cellular to reply to its converting environment. It acts as an on/off transfer to manipulate when proteins are made and also an extent manipulation that will increase or decreases the number of proteins made.
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all you need is in the photo
ASAP
Answers
Answer: the first one
CCU is Proline (pro)
GAG is Glutamic Acid (glu)
AAG is Lysine (lys)
Explanation:
we can model the firing of an action potential by the closing of the switch, which completes the circuit. immediately after the switch closes, what is the potential difference across the membrane of this single segment?
Answers
The potential difference across the membrane of the single segment is initially positive and then quickly becomes negative when the switch closes. This process of change is known as the action potential, and occurs due to the opening and closing of channels in the cell membrane, resulting in the influx and efflux of ions.
When the switch closes, it creates an electrical circuit, which is completed by the cell membrane. This causes an electrical current to flow through the membrane and triggers the opening of channels in the membrane, which allow ions to flow in and out. This influx and efflux of ions causes the potential difference across the membrane to reverse, with the interior of the cell becoming more negative.
The action potential is triggered by the closing of the switch, and causes a change in the electrical potential across the membrane. The initial potential is positive, but quickly reverses to negative due to the influx and efflux of ions. This change in electrical potential is important for the communication between cells, and plays a vital role in nerve impulse conduction.
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Define the term, photosynthesis.
Answers
Answer:
The term photosynthesis is the process in which plants and other organisms capture sunlight and converts it into energy.
Answer:
Hey there
here's ur answer
Explanation:
The process by which plants use sunlight, water and carbon dioxide to create oxygen and energy in the form of sugar
Hope it helps u ✌
What other function can a muscle perform besides movement
Answers
1. Blood circulation
Cardiac muscles are the ones that aid the pumping action of the heart thus helping with the heart circulation2. Heat generation
Shivering is a method that the muscular system uses to generate heat to warm a body up3. Support
Muscles that line the body to help support the internal organs in their place4. Movement
Skeletal muscles pull on the bones causing movements at the joints.The movement caused by the respiratory muscles enables breathing.5. Protection
Skeletal muscles cushion the body's internal organs from force applied to the body externallyHope that helps!
Whale primary functions
Answers
The primary functions of whales include feeding, reproduction, communication, and migration.
Whales are primarily filter feeders or predators, depending on the species.
Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.
Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.
Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.
The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.
Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.
Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.
Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.
These migrations are driven by seasonal changes in food availability and environmental conditions.
In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.
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Which type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver?.
Answers
The type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver is High density lipoproteins (HDL).
What is High density lipoprotein?High density lipoprotein can transport back cholesterol and sometimes called "good cholesterol". Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) when other cholesterol considered as dyslipidemia if its too high.
Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) and high density lipoprotein can transport back cholesterol and sometimes called "good cholesterol".
Therefore, The type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver is High density lipoproteins (HDL).
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the topology of membrane proteins can often be predicted by computer programs that identify which kind of topogenic segment?
Answers
Hydrophobic topogenic segment.
The number and approximate locations of the transmembrane segments of a protein's topology of an integral membrane protein's sequence, as well as the protein's general orientation in a membrane, are described.
Computer programs that recognize hydrophobic tropogenic portions within the amino acid sequence and genetic hydropathy profiles may frequently predict the structure of membrane proteins with high accuracy.
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Which of these can cause sensorineural deafness?
a. otosclerosis
b. otitis media
c. degeneration of the hair cells in the spiral organ of Corti
d. rupture of the eardrum
Answers
Sensorineural deafness can be caused by option C, degeneration of the hair cells in the spiral organ of Corti.
Sensorineural deafness, also known as nerve deafness, is a type of hearing loss that occurs due to damage to the sensory hair cells or nerve pathways in the inner ear. This type of hearing loss can be , or age-related and is often permanent. Sensorineural hearing loss can result from various factors, such as noise exposure, genetic mutations, infections, ototoxic drugs, or head trauma. Symptoms of sensorineural hearing loss may include difficulty hearing certain frequencies, speech comprehension problems, tinnitus (ringing in the ears), and decreased sound perception. Treatment options for sensorineural hearing loss may include hearing aids, cochlear implants, and assistive listening devices. Prevention of sensorineural hearing loss includes protecting the ears from loud noises, avoiding ototoxic medications, and early treatment of infections or injuries.
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T/F : two copies of the same gene on a single chromosome woul indicate a duplicationhad occured.
Answers
True, two copies of the same gene on a single chromosome indicate a duplication event has occurred.
When two copies of the same gene are present on a single chromosome, it is a clear indication of a duplication event. Duplication is a type of mutation that results in the replication of a segment of DNA, including one or more genes. This duplication can occur due to various mechanisms, such as errors during DNA replication or recombination events.
During a duplication event, a segment of DNA containing the gene is copied, resulting in an extra copy of the gene on the same chromosome. As a result, the chromosome carries two identical copies of the gene, which is not the usual arrangement.
Duplication events can have significant impacts on genetic diversity and evolution. They can provide additional copies of a gene, allowing for the evolution of new functions or the redundancy of existing functions. Duplicated genes can undergo further modifications, such as mutations and functional diversification, leading to the emergence of new traits and adaptations.
In summary, the presence of two copies of the same gene on a single chromosome is a clear indication of a duplication event that has occurred.
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"The article 'Rellability of Domestic-Waste Biofilm Reactors' (D. of Envir. Engr.. 1995-785-790) 50ggests that substrate. concentration (mg/cmA3) of influent to a reactor is normally distributed with mu=30 and sigma = 06 . Which statement characterizes the largest 5% of all concentration values? The 95 th percentle of the standard normat distribution watisfes Phi(z) - 95 , from which z=1.645,50,c−30+(1,645)(06)=3987, The largest 5% of all concentration valueh are above 3987mg/cm −7
"The 95 th percentile of the standard norral distribution satisfies Phicz - 95 , from whilich z=−1.645,50.6=30−(5,645(06)=2013. The largest 5% of all concentration values are loss 2013 m/m/cm3 ∗
"The 95 th percentile of the standard normal distribution satishes Phi(2) - 95, from which z=−1.645,50,c+30−(1,645)(06)=2013. The Largest 5% of all concentration values are above 2013mg/cm3, "The 95th percentile of the standard normal distribution satisfies Philz - .95, from which z −1.645 So, c=30+(1.645)(06)=3987. The largest 5% of all concentration values are less 3987mg/cm 2
" None of the statements are true Question 3 Construct a normal probability plot for the data found on page 187 problem 88 . Which statement is true about the probability plot? The plot shows some non trivial departures from linearity, especially in the fower tail of the distribution. This indicates a normal distribution might not be a good fit to the population distribution of clubhead velocities for female golfers." The plot shows linearity. This indicates a normal distribution is a gond fit to the population chistribution of clubhead velocites for fervule goters "The plot shows some non trival departures from linearity. especially in the center of the distribution. This indicistes a normal distribution would be a good fit to the population distritution of clubhead velocities tor female golters" The plot shows linearity. This indicates a noemal distribution is not a good fit to the nopulation distribution of cubhead velocities for female golfers. None of the statements are true.
Answers
The statement that characterizes the largest 5% of all concentration values is: "The largest 5% of all concentration values are above 3987 mg/cm³."
According to the given information, the substrate concentration (mg/cm³) of influent to a reactor is normally distributed with a mean (μ) of 30 and a standard deviation (σ) of 0.06. To find the concentration value that corresponds to the largest 5% of all values, we can use the concept of the standard normal distribution.
The 95th percentile of the standard normal distribution is denoted as Φ(z) = 0.95, which corresponds to a z-score of 1.645. By substituting the values into the formula: c = μ + (z)(σ), we can calculate the concentration value for the largest 5%:
c = 30 + (1.645)(0.06) = 30 + 0.0987 = 30.0987 ≈ 3987 mg/cm³.
Therefore, the statement that characterizes the largest 5% of all concentration values correctly indicates that the values are above 3987 mg/cm³.
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What is a trait called when it is controlled by more than one gene? O A. Adaptive O B. Disruptive O C. Polygenic O D. Flowing
Answers
Answer:
The answer is C. Polygenic
Mass of crucible = l0g
Mass of crucible and soil before heating = 28g
Mass of crucible and soil after heating = 18g.
Determine the percentage of water in the given soil sample.
Thank you!
Answers
Answer:
Mass of soil = (mass of crucible and soil after heating) - (mass of crucible) = 18g - 10g = 8g
Mass of water in soil = (mass of crucible and soil before heating) - (mass of crucible and soil after heating) = 28g - 18g = 10g
Percentage of water in soil = (mass of water in soil / mass of soil) x 100%
= (10g / 8g) x 100%
= 125%
Therefore, the percentage of water in the given soil sample is 125%. However, it is not possible to have more than 100% of a substance in a mixture. This result may indicate that there was an error in the measurements or calculations.
Answer:
Explanation:
To determine the percentage of water in the soil sample, we need to find the mass of water lost during heating.
Mass of water lost = Mass of crucible and soil before heating - Mass of crucible and soil after heating
= 28g - 18g
= 10g
Now, we can calculate the percentage of water in the soil sample.
Percentage of water = (Mass of water lost / Mass of crucible and soil before heating) * 100
= (10g / 28g) * 100
= 35.71%
Therefore, the percentage of water in the given soil sample is approximately 35.71%.
hope it helps!
at present, stem cell–based therapies are the clinical standard of care for only a few conditions, including leukemia and macular degeneration. before stem cell therapies can be ethically approved for other conditions, which safety assessments should be confirmed? choose three correct statements.
Answers
Stem cells should not have harmful mutations. It should not spread beyond the site of the transplant and cause tumors.
Evaluations of the potential risk of tumour development and the potential introduction of aberrant cells into the body should be part of assessments to ensure the safety of stem cell therapies. To ensure the preservation of the cells' quality and integrity, the assessments should also include an analysis of the methods utilized to separate and store the cells.
In order to confirm that any modifications made to the cells during their isolation and storage have not resulted in unwanted genetic or metabolic alterations that could compromise the safety and efficacy of the cells, the safety evaluations should also involve genetic and metabolic studies. Prior to giving the cells to the patients, laboratory testing should be carried out to evaluate the cells' potency and purity.
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starch is used as an energy storage form by which of the following
A. plants
B. carnivores
C. decomposers
Answers
Answer: A - plants
Explanation: Starch serves as energy storage in plants.
If one plant is named Salvia greggii and another is named Salvia vanhouttei, what does this tell you about these plants?
A.) They belong to the same genus and can interbreed.
B.) They belong to the same genus and to different species.
C.) They belong to the same species and to different genuses.
D.) They belong to the same species and can interbreed.
Answers
Answer:
They belong to the same species and to different genuses.
Explanation:
what are ionic bonds?
Answers
Hope this helped :)
How many divisions take
place during meiosis in
order to produce the four
haploid (reproductive)
cells?
A. two
B. one
C. four
Answers
Answer:
two cell divisions happen throughout the overall process, so a result of four haploid cells are produced.
Explanation:
A because it consists of two nuclear divisons resulting in four nuclei that are usually turned into four new haploid daughter cells
The pedigree method is commonly used for improving desirable
traits in plants and animals. Given your understanding of
pedigree’s outline the positives and negatives of this breeding
tool.
Answers
The pedigree method outlines the positives and negatives of this breeding tool involves selecting and mating individuals with favorable traits in their genetic makeup to produce offspring with those same desirable traits.
The positives of the pedigree method are as follows:
1. The pedigree method is useful in producing plants and animals that have desirable traits.
2. The pedigree method is effective in reducing the frequency of undesirable traits.
3. The pedigree method can produce a large number of offspring in a relatively short period of time.
4. The pedigree method is less expensive than other breeding methods.
The negatives of the pedigree method:
1. The pedigree method can lead to inbreeding, which can increase the frequency of undesirable traits.
2. The pedigree method can lead to genetic homogeneity, which can make the population more susceptible to disease and other environmental stresses.
3. The pedigree method can be slow, and it may take several generations to produce the desired trait.
4. The pedigree method requires a lot of time and effort to maintain accurate records of the genetic makeup of the plants or animals being bred.
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What happens to an atom if it gains an electron? *
A.It becomes negative
B.It becomes neutral
C.It becomes positive
D.None of the above
Answers
Answer:
It would get more negatively charged.
Explanation:
What do genes do and how do they work?
Answers
Answer:
Genes are basically what makes us look the way we do or something like that. They are made up of DNA. Your genes sort of tells your cells to make molecules called proteins, which help your body function. Your genes also carry information that determines your traits which goes back to what I said about them making up the way you look. Your genes are basically like a cookbook recipe for DNA. Genes tell your cells what to do and when to do it. They are sometimes called "blueprint for life."
Explanation: That's all I got.....Hope this helps!!!
what do marine biologists study that relates to food chains?
Answers
Marine biologists study a variety of factors related to food chains in marine ecosystems, including the composition and structure of the food web, the interactions between different species in the food chain, and the flow of energy and nutrients through the ecosystem.
Some specific areas of research in marine biology related to food chains include:
Trophic interactions: Marine biologists study the relationships between different organisms in the food web, including predator-prey relationships and symbiotic interactions. Understanding these interactions can provide insights into the dynamics of the food chain and how changes in one species can impact others.Nutrient cycling: Nutrient cycling is the process by which nutrients such as carbon, nitrogen, and phosphorus are recycled through the food web. Marine biologists study the processes involved in nutrient cycling, including the roles played by different organisms in breaking down and recycling nutrients.Primary production: Primary production refers to the process by which plants and other photosynthetic organisms convert sunlight into energy. Marine biologists study primary production in marine ecosystems, as it forms the basis of the food chain and provides energy for all other organisms in the ecosystem.Fisheries management: Many marine biologists work on fisheries management, which involves understanding the interactions between different species in the food web, as well as the impacts of human activities such as fishing on marine ecosystems. Fisheries management aims to ensure that fisheries are sustainable and that marine ecosystems remain healthy and productive.To know more about Nutrient cycling
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which of the following is true for identical twins? A . they can have different genes b. they can express the same genes differently c. they can have different fathers d. they are attached until just before birth
Answers
Answer:
b. they can express the same genes
Geotropism is another word for
Select one:
O geology
Ogravitropism
Ophototropism
Answers
Answer:
Gravitropism
Step-by-step explanation
The growth of certain parts of plants that are respected by the force of gravity
who was the first person to study the embryos of different species
Answers
Answer:
Aristotle
Explanation:
Aristotle was the first person to study the embryos of different species.