Macromolecules containing phosphorus as part of a phosphate group include nucleic acids such as DNA and RNA, phospholipids, and ATP (adenosine triphosphate).
DNA and RNA are nucleic acids that contain phosphate groups that link the nitrogenous bases of the strands together. Phospholipids are an important part of cell membranes, and they contain a phosphate group attached to two fatty acids.
ATP is an important molecule in cellular respiration, and it contains three phosphate groups linked to the nucleotide adenosine. In each of these molecules, the phosphate group plays a vital role, linking the other components together or providing energy for cellular processes.
The phosphate group is composed of one phosphorus atom and four oxygen atoms, and it helps to store and transfer energy in the form of chemical bonds. Without phosphorus, these macromolecules would not be able to perform the vital functions that they do.
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(HELP WANTED AUTOMATIC BRAINLY) Which statement describes how the muscular and skeletal systems cause parts of the body to move?
A. When a muscle relaxes, it causes a bone to shorten.
B. When a bone shortens, it lengthens the muscle attached to it.
C. When a bone bends, it pushes a muscle in the opposite direction.
D. When a muscle contracts, it pulls a bone in one direction.
Answer:
C.
Explanation: Because when a bone does bend the muscles pull back so the bone doesnt dislocate.
The statement describes how the muscular and skeletal systems cause parts of the body to move is when a muscle contracts, it pulls a bone in one direction.
What is skeletal system?The skeletal system is the in charge of all the bones and skeleton of the body. The skeletal system provides structure and strength to the body and protects the soft tissues.
The muscular system and the skeletal system work together as the muscles and bones are connected with each other.
Thus, the correct option is D. When a muscle contracts, it pulls a bone in one direction.
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each atom of the periodic table is
Answer: Each atom of the period table is in order of increasing atomic number.
Explanation: I hope this helps! :)
What development led scientist to conclude that the human cell has 46 chromosomes?
The development of karyotyping led scientists to conclude that the human cell has 46 chromosomes. Karyotyping is a technique that involves arranging and analysing an individual's chromosomes, which are the structures in cells that contain genetic material.
In the 1950s, scientists were able to observe human cells more accurately due to advances in microscopy, which allowed them to see smaller and more detailed structures within cells. Additionally, the introduction of tissue staining methods, such as the Giemsa staining technique, made it possible to differentiate and count individual chromosomes.
By using these improved techniques, researchers were able to observe and accurately count the 46 chromosomes present in human cells. This discovery was a significant milestone in the field of genetics and has contributed to our understanding of human biology and genetic disorders.
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is the use of genes for treating human genetic disorders. a. recombinant dna technology b. genomics c. genetics d. pharmacogenomics e. gene therapy
Is the use of genes for treating human genetic disorders d. pharmacogenomics .
What is pharmacogenomics ?Pharmacogenomics is the study of how genes impact how a person reacts to medications. In order to create powerful, secure treatments that may be administered based on a person's genetic profile, this area integrates genomics (the study of genes and their roles) and pharmacology (the science of drugs).
Although many medications on the market today are "one size fits all," they don't all operate in the same manner. It can be challenging to determine who will respond well to a treatment, who won't respond at all, and who will encounter unwanted side effects (called adverse drug reactions). In the US, adverse medication responses constitute a major factor in both hospital admissions and fatalities.
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what type of chart or graph would be best for Angel to use ?
Answer: All of the above
Explanation:
I honestly have no idea what this means
Answer:
c
Explanation:
MULTHI.E CHOICI. Choose the one alternative that best completes the statenaent or answers the questien. 1) Difficulty in swallowing may be a sign of damage to which cranial nerve(v)? 1) A) vagus B) glossopharyngeal and vagus C) facial D) hypoglossal E) glossopharyngeal 2) After suffering a blow to the back of the head, Phill loses his vision. The blow probably caused 2) damage to the A) occipital lobe. B) postcentral gyrus. C) limbic system. D) temporal lobe. E) frontal lobe. 3) Which of the following is a sympathetic neurotransmitter used for vasodilation? 3) A) norepinephrine B) dopamine C) nitric oxide D) serotonin E) acetylcholine 4) Which of the following associations is incorrect? 4) A) 5 sacral spinal nerves B) 1 coccygeal spinal nerve C) 8 cervical spinal nerves D) 5 lumbar spinal nerves E) 11 thoracic spinal nerves 5) The tough, fibrous, outermost covering of the spinal cord is the 5) A) dura mater. B) pia mater. C) coccygeal ligament. D) arachnoid mater. E) periosteum. 6) The nervous system stimulates the arrector pili muscles and gives you "goosebumps." A) somatic B) sympathetic C) parasympathetic D) afferent E) dorsal
The multiple-choice questions cover topics related to cranial nerves, brain regions, neurotransmitters, spinal nerves, and the autonomic nervous system.
The given questions are multiple-choice questions that cover various aspects of the nervous system. The first question addresses difficulty in swallowing, which could indicate damage to the vagus nerve (cranial nerve X). The second question relates to vision loss after a head blow, suggesting possible damage to the occipital lobe.
The third question asks about the sympathetic neurotransmitter used for vasodilation, with the correct answer being nitric oxide. The fourth question tests knowledge of the number of spinal nerves associated with each region, and the fifth question focuses on the outer covering of the spinal cord, which is the dura mater.
The final question asks about the stimulation of arrector pili muscles, which is accomplished by the sympathetic nervous system.
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What is an iceberg?
a large mass of ice on land that does not move
a large area of land covered in snow and ice
a large frozen body of salt water
a large floating mass of ice
Answer:
a iceberg is a large floating mass of ice
Explanation:
it does move very slowly and it floats.
What is the most important way to prevent a foodborne illness from biological toxins?
What is the most important way to prevent a foodborne illness from toxins?
Prevention Cooking or freezing won't get rid of toxins. Buying plants, mushrooms, and shellfish from vetted, reliable vendors is the most crucial step in preventing a foodborne illness. When working with raw fish, it's also crucial to keep time and temperature under control.What is the best way to prevent biological toxin contamination?
Washing your hands often, especially after using the restroom, changing a diaper, caressing an animal, and before preparing or eating food, is the most crucial thing you can do to prevent foodborne illness.
What is the best way to prevent biological toxin contamination?
For any biological contamination to be kept under control to an acceptable level, foods must always be cooked to the proper internal temperature. Foodborne illnesses are less likely to occur when foods are cooked properly.Learn more about foodborne illness
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How can u explain why characteristics for eye color and wing color of a fruit fly do not sort by the law of independent assortment?
This is a blatant illustration of sex-related inheritance. On the X chromosome is the gene responsible for determining eye color (one of the sex-determining chromosomes of Drosophila). Recessive in white eye color.
What is a chromosome?A chromosome is a lengthy DNA molecule that contains all or a portion of the genetic code for an organism. The histones, which are the most significant of these proteins in eukaryotic cells, coat the very long, thin DNA fibers in most chromosomes. a component located in a cell's nucleus. DNA and proteins arranged into genes make up a chromosome. 23 pairs of chromosomes are typically present in each cell. In humans, there are pairs of 23 of these chromosomes, making a total of 46 chromosomes. You can categorize these 23 pairings into autosomes and allosomes. The sex chromosome, or allosome, is the 23rd pair and is found between the first 22 pairs of autosomes.To learn more about chromosomes, refer to:
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Which process in the nitrogen cycle takes extra nitrogen from the soil and puts it back into the air?
1.What are the three main functions of the cell membrane?
2.What is the difference between a hydrophilic and hydrophobic?
3.How does the structure of the cell membrane help maintain homeostasis?
4.What does the structure of a cell membrane look like
Answer:
1:a)they keep toxic substances out of the cell
b)they contain receptors and Channells that allow specific molecules to pass between organelles,cells and the outside environment.
c)they separate vital bot incompatible metabolic
processes conducted within organelles
2.hydrophilic ( water loving) and hydrophobic (water fearing)
3.By regulating the materials that may enter and leave the cell.
4.a thin line
1. The three main functions of the cell membrane are:
To act as a barrier or boundary between the cell and its environment, controlling the movement of substances in and out of the cell.To maintain the shape and integrity of the cell by providing structural support.To facilitate communication between the cell and its surroundings through various membrane proteins and receptors.2. Hydrophilic refers to molecules that are attracted to water and can dissolve in it, while hydrophobic refers to molecules that repel water and are not soluble in it.
3. The structure of the cell membrane, which is composed of a phospholipid bilayer with embedded proteins and carbohydrates, allows it to selectively transport molecules and ions in and out of the cell, maintaining a balance of substances and preventing the buildup of harmful substances. The membrane also helps to regulate the cell's internal environment by responding to external signals and changing its permeability accordingly.
4. The structure of the cell membrane can be visualized as a fluid mosaic model, where the phospholipid bilayer acts as a fluid matrix with embedded proteins, carbohydrates, and cholesterol molecules. The hydrophobic tails of the phospholipids face inward, while the hydrophilic heads face outward towards the aqueous environments inside and outside the cell. The membrane also contains various types of proteins that serve different functions, such as transporters, channels, receptors, and enzymes.
Darren is studying the effect of increased carbon dioxide on plant growth. He sets up four tanks (terrariums). Each tank has the same type of plant, same potting soil, same amount of water, same amount of sunlight. The first tank has normal levels of Carbon dioxide. The second tank has 25% more carbon dioxide, the third 50% more and the fourth 100% more. Darren records plant height after each week for a four week period. What are the : IV, DV constant, control
Answer:
Explanation:
Oh
The particles of an unknown liquid have very weak attractions for other particles
in the liquid. Would you expect the liquid to have a high or low viscosity? Explain your
answer
Answer:
it would have a low viscosity because think about all high viscosity liquids stick to stuff like honey it is a thick liquid and it sticks to everything but oil does not stick as much.
that is my opinion I hope it helps
Match the terms from Unit 5 with their definitions.
Question 1 options:
Air masses meeting at boundaries which can produce severe weather.
A description of the atmosphere providing the temperature, precipitation, and cloud cover which can change day to day.
Long-term weather patterns based on average temperatures, precipitation, altitude, latitude and ocean currents.
Heat energy from the sun that travels through space and is absorbed by Earth.
Lines of equal pressure that show pressure patterns across an area on a weather map.
The layer of the atmosphere closest to the earth, with the greatest air pressure and where most weather takes place.
The atmosphere's most abundant gas.
A large section of air that has an even temperature, humidity, air pressure, and carries its own weather.
Horizontal air movement due to the differences in air pressure.
Invisible lines that run east to west, parallel to the equator. The most important factor affecting climate.
1.
Latitude
2.
Troposphere
3.
Radiation
4.
Longitude
5.
Exosphere
6.
Conduction
7.
Air Masses
8.
Wind
9.
Weather
10.
Climate
11.
Fronts
12.
Oxygen
13.
Nitrogen
14.
Isobars
The correct terms and their definitions are correctly matched below about the earth and it's atmosphere.
The earth and it's atmosphereAir masses meeting at boundaries which can produce severe weather fronts. That is Fronts (11)
A description of the atmosphere providing the temperature, precipitation, and cloud cover which can change day to day is called the weather. That is weather (9)
Long-term weather patterns based on average temperatures, precipitation, altitude, latitude and ocean currents are called climates. That is climates (10)
Heat energy from the sun that travels through space and is absorbed by Earth is called radiation. That is radiation (3)
Lines of equal pressure that show pressure patterns across an area on a weather map are called Isobars. That is Isobars (14)
The layer of the atmosphere closest to the earth, with the greatest air pressure and where most weather takes place is called the troposphere. That is troposphere (2)
The atmosphere's most abundant gas is Nitrogen. That is Nitrogen (13)
A large section of air that has an even temperature, humidity, air pressure, and carries its own weather is called the air masses. That is air masses (7)
Horizontal air movement due to the differences in air pressure is called wind. That is wind (8)
Invisible lines that run east to west, parallel to the equator. The most important factor affecting climate are called the Latitude. That is Latitude (1)
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How will the equilibrium change if the ocean is more acidic
Answer: If the ocean is more acidic, the marine life will die or contaminated. If marine life is being polluted with acidic, that means that we will die. We all eat fish and other marine organisms, but since the marine organisms are being contaminated with acidic, then we will die from the ingestion of poison.
Explanation: Hope this helps :))))
All atoms are vibrating (moving) which means they have kinetic energy.
O True
O False
a weather model applies mathematical equations to
each place on earth weather data have been collected.
the temperature in a location every 30 minutes.
each grid on a three-dimensional grid.
the average weather conditions in an area.
Answer:
c
Explanation: took test
What would you assume if you found rna transcripts of lactose-utilizing genes within e. coli?
Rna transcripts of lactose-utilizing genes within e. coli indicates the presence of lactose.
What is operon?
An operon is a collection of genes that all share a single promoter during transcription, found in bateria.There are regulatory DNA sequences in every operon, and these sequences serve as binding sites for regulatory proteins that either encourage or hinder transcription.Regulatory proteins frequently attach to tiny molecules, which can alter the protein's capacity to bind DNA and turn it on or off.Some operons are inducible, which means that a specific tiny molecule can activate them. Others can be turned off by a single molecule and are repressible, which means they are switched on by default.one example of operon is Lac operon of E. coli contains genes involved in lactose metabolism. It's expressed only when lactose is present and glucose is absent.Learn more about the Lac operon with the help of the given link:
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1. What is the solid portion of smog called?
air pollution
dirt
oxygen
particulates
Answer:
particulates
Explanation:
maybe you could give that a second guess....
Answer: particulates
Explanation: i took the quiz
Water lilies do not grow in desert sand because water availability to these plants in a desert is.
Water supply to these plants in a desert is a limiting element, hence water lilies cannot flourish in desert sand.
A perennial aquatic plant with floating leaves known as a fragrant water lily is often found in water that is 3 to 6 feet deep. It grows in ditches, slow-moving streams, freshwater lakes, and ponds. It is pH-tolerant across a wide range. prefers muddy lake/pond bottoms to silty ones.
The growth of water lilies requires sunlight. While they can tolerate moderate shadow for a while, they still require sunlight for at least three hours each day. You should be careful to place them far from any pumps or leisure areas because moving water is harmful to their growth.
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when the cell engulfs small, dissolved particles, it is called _____.
When the cell engulfs small, dissolved particles, it is called pinocytosis.
Pinocytosis is a cellular process that involves the engulfing of small, dissolved particles by a cell.
Pinocytosis is a form of endocytosis, which is the process by which cells take in materials from the external environment.
Unlike phagocytosis, which involves the engulfment of larger solid particles such as bacteria or cellular debris, pinocytosis involves the non-selective uptake of extracellular fluid and small dissolved particles.
This is achieved through the formation of small vesicles within the cell membrane that surround and take in the particles.
Once inside the cell, these particles can be transported to other parts of the cell for various purposes, such as providing nutrients or serving as building blocks for cellular processes.
In summary, pinocytosis is a vital mechanism that cells use to intake and utilize dissolved particles from their surrounding environment.
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How does gene expression differ between human fibroblasts and induced pluripotent stem cells (iPS)?
Answer:
Both have different gene expression due to produce from different sources.
Explanation:
Gene expression is different between human fibroblasts and induced pluripotent stem cells because both cells are formed from different sources. Human fibroblasts is produced from ''mesenchyme'' a type of connective tissue whereas induced pluripotent are the stem cells which can be produced from adult cells so we can say that both have different gene expression.
Both have different gene expression due to produce from different sources.
The following information should be considered:
Gene expression is different between human fibroblasts and induced pluripotent stem cells since both cells are created from different sources. Human fibroblasts is generated from ''mesenchyme'' a type of connective tissue while on the other hand, induced pluripotent are the stem cells that could be generated from adult cell.Learn more: https://brainly.com/question/20492533?referrer=searchResults
whitch statement best describes the development of our undeerstanding of dna and inherited traites
The statement 'many scientists helped developed it over many decades' describes the development of our understanding of DNA and inherited traits.
What is the DNA?Deoxyribonucleic acid or DNA is a double helix molecule that stores the genetic information inherited across generations.
This molecule (DNA) contain genes and regulatory sequences that indicate the specific proteins an organism can produce.
In conclusion, the statement 'many scientists helped developed it over many decades' describes the development of our understanding of DNA and inherited traits.
Complete Question:
Which statement best describes the development of our understanding of DNA and Inherited traits?
A. Scientists working in the 17th century discovered it.B. Many Scientists helped develop it over many decades.C. Frederick Griffith figures it all out in 1928.D. One scientist working alone discovered it over a few yearsLearn more about the DNA and inherited traits here:
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Suppose a cDNA has the sequence CTTAGGA. What is the corresponding mRNA sequence?
A. GAATCCT
B. GAAUCCU
C. AGGATTC
D. UCCUAAG
The corresponding mRNA sequence to the cDNA "CTTAGGA" is GAATCCT, option A is correct.
In mRNA, the DNA sequence is transcribed with complementary bases. The cDNA sequence "CTTAGGA" contains the bases C, T, T, A, G, G, and A. To obtain the mRNA sequence, the following conversions are made: C in cDNA is replaced with G in mRNA, and T in cDNA is replaced with A in mRNA. Applying these conversions to each nucleotide in the cDNA sequence yields the mRNA sequence GAATCCT. This sequence represents the RNA transcript synthesized from the cDNA template during the process of transcription.
The process of transcription converts the information encoded in DNA into mRNA. During transcription, an enzyme called RNA polymerase synthesizes an mRNA molecule by using one strand of the DNA as a template. In this case, the cDNA sequence "CTTAGGA" represents the complementary sequence of the template DNA strand, option A is correct.
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The opposite processes of evaporation is.
A. condensation.
B. percolation.
C. transpiration.
Answer:
condensation
Explanation:
Answer:
A. condensation
Explanation:
Evaporation is the process of liquid turning into gas, the opposite would be condensation which is the process of water vapor turning back into a liquid.
as monoculture becomes more profitable, some crop varieties are threatened with extinction. which of the following would be the best solution to this global economic problem?
A. encouraging developing countries to participate in global trade
B.establishing international agreements to prevent overfishing
c.creating and international seed bank to protect biodiversity
d.forming strict regulations on greenhouse gas emissions
I need the answers asap
Which of the following best describes the function of the human nervous
system?
OA. The nervous system collects and responds to information about
the internal and external environment.
B. The nervous system protects internal organs and assists with
movement.
OC. The nervous system transports oxygen and nutrients to the body's
tissues.
OD. The nervous system protects the body against infection and helps
regulate body temperature.
Answer:
Which of the following best describes the function of the human nervous system?
Explanation:
The nervous system collects and responds to information about the internal and external environment
consider regulation by both the lac repressor and cap (catabolite activator protein), under what environment does the e. coli show a high level of transcription of the lac operon?
The regulation of transcription by the lac repressor and cap under what environment does the E. coli show a high level of transcription of the lac operon. The E. coli shows a high level of transcription of the lac operon in the absence of glucose and presence of lactose.
The lac operon is one of the most frequently analyzed operons in E. coli which involves in the catabolism of lactose.Lac operon is composed of an operator, a promoter, and three structural genes: lacZ, lacY, and lacA. The lac repressor and cap proteins regulate the expression of the lac operon in E. coli.
The lac repressor is a protein that blocks the transcription of the structural genes (lacZ, lacY, and lacA) by binding to the operator site in the absence of lactose. In the presence of lactose, it cannot bind to the operator site due to the formation of an inducer-lac repressor complex, which allows RNA polymerase to transcribe the genes.
The cap (catabolite activator protein) is a protein that binds to the promoter site of the lac operon, allowing RNA polymerase to bind to the promoter site to initiate transcription. The presence of glucose inhibits the production of cAMP, which is necessary for the activation of the cap protein.
Therefore, the expression of the lac operon is regulated by the presence of glucose and lactose, which acts as an inducer for the operon. In the presence of lactose and absence of glucose, the lac operon is highly expressed, resulting in the production of the enzymes required for lactose metabolism.
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Reproduction results either in a duplication of the parent or in what?
a. a duplication with variation
c. duplication of previous generations
b. an unrelated organism
d. none of the above
Q1. a. What is a promoter, and how does bacterial RNA polymerase locate it? b. What are the four distinct steps in bacterial transcription?
A1. a) Promoter is a DNA sequence that serves as a recognition site for RNA polymerase ; b. The four distinct steps in bacterial transcription are: initiation, elongation, termination and Post-transcriptional modification.
a. A promoter is a DNA sequence that serves as a recognition site for RNA polymerase. It is the initial binding site for RNA polymerase and contains specific sequences that determine the direction and the starting point for transcription. The bacterial RNA polymerase recognizes the promoter sequence by scanning the DNA template until it recognizes a specific sequence known as the -10 and -35 regions, which are located upstream of the transcription start site. Once the RNA polymerase locates the promoter sequence, it binds to it, forming a closed complex.
b. The four distinct steps in bacterial transcription are:
1. Initiation: RNA polymerase binds to the promoter sequence, forming a closed complex. It then undergoes a conformational change, leading to the formation of an open complex. This is where the DNA strands are separated, and the template strand is exposed.
2. Elongation: RNA polymerase moves along the template strand, synthesizing RNA in the 5' to 3' direction. The DNA strands re-form a double helix behind the RNA polymerase, and the newly synthesized RNA transcript is released.
3. Termination: The termination of transcription occurs when RNA polymerase encounters a terminator sequence, which signals the end of the gene. This leads to the release of the RNA transcript and the dissociation of the RNA polymerase from the DNA template.
4. Post-transcriptional modification: The RNA transcript undergoes various modifications, including the addition of a 5' cap and a poly(A) tail. In addition, splicing occurs in eukaryotic cells to remove introns and join exons to form a mature mRNA molecule.
In summary, bacterial transcription involves the recognition of a promoter sequence by RNA polymerase, followed by the initiation of transcription, elongation of the RNA transcript, termination of transcription, and post-transcriptional modifications of the RNA transcript.
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