When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
Incisors, Canines, Premolars, and Molars.Learn more about Dentition here:
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the area around a cell has a high concentration of sodium ions as a result the cell membrane expands and burst which problem was the cell most likely having
Answer:
Cell can't fix their internal osmotic state
Explanation:
Due to which it bursts and there is also another problem that water moves from hypotonic to hypertonic so water from cell move outside cell shrinks and die
Pleases help, thank you
The given cross is an example of a monohybrid cross, where the inheritance of only one trait is seen through crossing of the parents.
The allele for tusk can be denoted by T and tusklessness being recessive will be denoted by t. Thus, the genotype for the tusk will be TT/Tt and the genotype for tusklessness will be tt.
The monohybrid cross can be drawn as is shown in the image attached.
The genotype of parents in this case will be Tt x Tt
The probability of having a tuskless calf will be 25%
The probability of having a calf with tusks will be 75%
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In at least three complete sentences, explain how the environment (language for example) may impact the survival of people pertaining to human diseases.
Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
What are the best techniques for anchoring aquarium plants in substrate to ensure their healthy growth?
A few techniques that can be used to anchor aquarium plants in substrate for healthy growth includes; Tieing the plant to a rock or piece of driftwood, Using plant weights, Planting the plant in a pot and Using aquarium glue.
How would you use the above mentioned techniques to anchor aquarium plants?Tying the plant to a rock or piece of driftwood: This method works great for plants with rhizomes, like Anubias and Java Fern, as you mentioned.
Planting the plant in a pot: Some plants can do well when planted in pots with their preferred substrate. This is good because it is in a controlled enviroment and you can move plant without disturbing the plant.
plant weights: This method is said to be okay for buoyant plants that tend to float away before their roots can establish. However this can be disadvantagous if the weight is made with lead.
aquarium glue: This can be very effective for certain types of plants. It's important to use a glue that is safe for aquarium use (i.e., cyanoacrylate-based glues).
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Match each hormone to its description:
A) Angiotensin II
B) Aldosterone
C) Natriuretic peptides
D) Antidiuretic hormone
(A) A powerful vasoconstrictor that increases blood pressure is angiotensin II. It needs angiotensin-converting enzyme to be produced (ACE). ACE inhibitors are medications that lower angiotensin II levels and blood pressure by blocking the action of this enzyme, a common treatment for hypertension.
(B) Aldosterone, sometimes known as the "salt-retaining hormone," largely encourages the kidneys to retain Na+. (Na+ retention encourages water retention, which supports blood pressure since water follows sodium osmotically.
(C) Natriuretic peptides, which are aldosterone-opposing hormones released by the heart. They decrease blood volume and pressure by enhancing the kidneys' ability to excrete Na+. They also assist reduce blood pressure by having a broad vasodilator effect.
(D) Antidiuretic hormone (ADH): Although ADH primarily encourages water retention, it also acts as a vasoconstrictor when present in pathologically high amounts.
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In a population of 13 Bio 1 lab students, p = 0.146, how many more students must complete their eval for the p allele to become fixed?
In a population, 12 Students must complete their eval for the p allele to become fixed.
To determine how many more students must complete their evaluation for the p allele to become fixed, we need to calculate the frequency of the p allele in the current population. We can do this using the formula:
p = number of p alleles / total number of alleles
Since we are dealing with a diploid organism, each individual has two alleles, so the total number of alleles in the population is 26 (13 students x 2 alleles per student). If p = 0.146, then the number of p alleles in the population is:
number of p alleles = p x total number of alleles
number of p alleles = 0.146 x 26
number of p alleles = 3.796
We can't have a fraction of an allele, so we round up to 4 p alleles in the population. To calculate how many more students must complete their evaluation for the p allele to become fixed, we need to consider that fixation occurs when the frequency of one allele is 1 (or 100%). Since there are only two alleles in this population (let's call the other allele q), the frequency of q is:
q = 1 - p
q = 1 - 0.146
q = 0.854
So, if the p allele is to become fixed, all individuals in the population must have the p allele. Currently, there are 4 p alleles in the population, which means there are 22 q alleles (since there are 26 total alleles). Each student has two alleles, so there are still 11 students whose allele frequencies are unknown. To calculate how many more students must have the p allele for it to become fixed, we need to calculate the number of q alleles that remain:
number of q alleles = q x total number of alleles
number of q alleles = 0.854 x 26
number of q alleles = 22.204
Again, we can't have a fraction of an allele, so we round up to 23 q alleles. This means that at least 12 students (since each student has two alleles) must have the p allele for it to become fixed, which will result in a p frequency of 1 (or 100%) and a q frequency of 0.
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Why is the common cold virus difficult to cure in humans?
a) It possesses a viral genome that mutates very quickly.
b) It is a spherical-shaped virus with many protein receptors.
c) It attacks white blood cells that fight off foreign bodies.
d) It is caused by a special type of virus called a retrovirus.
Answer:
The correct answer is - option A.
Explanation:
The common cold virus is a virus that includes various type of species and strains that attacks and sticks to the cells of the nasal cavity and back of the throat. These viruses include coxsackieviruses, rhinoviruses, adenoviruses, and coronaviruses.
From the throat, they quickly affect the upper respiratory tract. Medicines can help relieve the symptoms of the cold. However, there is no cure as they mutate their genome very quickly and the period it takes to develop producing vaccine it no longer uses as its genome changed.
Hi! Thanks for asking your question here on Brainly!
Answer:
The common cold virus is difficult to cure in humans because the virus possesses a viral genome in which mutates very quickly, making it hard to put a stop to it in an early state.
Hope this helped :D Happy holidays!
Familiar Faces Describe a trait that both dogs and cats have which would set them apart from these other species.
How is a society likely to address the problem of overuse of wildlife
resources?
A. By developing irrigation techniques that conserve water
B. By cutting down forests to produce more pastureland
C. By creating laws or traditions that regulate hunting and fishing
D. By switching from coal-burning power plants to solar energy
production
Answer:
C. By creating laws or traditions that regulate hunting and fishing
Explanation:
Wildlife resources refer to wild animals (terrestrial, aquatic etc) in their natural habitat. Wildlife is an integral part of our society, however, they are being overexploited by human activities.
According to the options in the question, one way to address the problem of over use of wildlife resources is by creating laws or traditions that regulate hunting and fishing. Laws that compel hunting and fishing, which are the means humans over use wildlife, will help bring the rate at which these resources are used.
For example, creating a law that prohibits hunting in certain areas will help preserve wildlife in that area because it is a punishable offence by the law to hunt. Hence, wildlife resources will be preserved.
Answer:
. By creating laws or traditions that regulate hunting and fishing
Explanation:
Phenylketonuria (PKU) is a genetic disorder in which an individual cannot properly metabolize ____, an amino acid
When a kid is born with genetic disorder phenylketonuria (PKU), an uncommon disorder, they are unable to effectively break down the amino acid phenylalanine.
Phenylketonuria, generally known as PKU, is a rare hereditary condition that results in an accumulation of the amino acid phenylalanine in the body. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because to this gene. To produce neurotransmitters including adrenaline, norepinephrine, and dopamine, the enzyme phenylalanine hydroxylase converts phenylalanine to tyrosine. Tyrosine may become an essential amino acid and become deficient if intake is insufficient if the degree of enzymatic block is significant.
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Question 3
What does the word moist in this passage (paragraph 5) mean?
Dry
Damp
Fishy
Walking
Check all strategies below that helped you
decrease experimental error in this lab.
using seeds from the same source
using the same kind of soil for both groups
Ogiving the control and experimental groups
the same volume of water
Okeeping the light the same for the
experimental and control groups
measuring plant height the same way and at
the same time for both groups
DONE
The strategies that helped decrease experimental error in this lab are Using seeds from the same source, Using the same kind of soil for both groups, Giving the control and experimental groups the same volume of water, Keeping the light the same for the experimental and control groups and, Measuring plant height the same way and at the same time for both groups.
Using seeds from the same source: By using seeds from the same source, it ensures that genetic variations among different seeds are minimized, reducing the potential impact on the experimental outcome.
Using the same kind of soil for both groups: Having consistent soil composition eliminates the potential variation in nutrient content and other soil-related factors that could affect plant growth differences between the groups.
Giving the control and experimental groups the same volume of water: Providing the same volume of water to both groups ensures that water availability does not become a confounding factor that influences plant growth differently between the groups.
Keeping the light the same for the experimental and control groups: By maintaining consistent light conditions, it eliminates the possibility of differential effects of light intensity or duration on plant growth between the groups.
Measuring plant height the same way and at the same time for both groups: Consistent measurement techniques and timings ensure uniformity in data collection, reducing variability and improving the accuracy of the results.
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why the heart can be considered the muscle with the greatest elastic strength.
Answer:
Elastic strength is the ability of a muscle to absorb, store, and release energy. The more energy the muscle releases, the faster and more powerful the movement. The fact that the heart pumps 2,500 gallons (9,450 liters) of blood daily makes it the muscle with the greatest elastic strength.
Explanation:
BIOLOGY HELP PLEASE
RNA from fish is compared to RNA of tomato. what do both contain
Answer:
Sugar ribose and base uracil
Explanation:
Bcz rna has sugar ribose so a and b cancelled. And then rna has uracil instead of thymine
A scientist wants to make a geologic column of rock layers from different parts of a state. Which claim explains how the scientist will do this?
A. The scientist will organize the layers by comparing the fossils and types of rocks.
B. The scientist will measure the exact ages of the rocks found in each part of the state.
C. The scientists will look at the surface features in each area to organize the layers.
D.The scientist will select one area in the state and use only those layers to construct the geologic column.
Answer:
A. The scientist will organize the layers by comparing the fossils and types of rocks.
Explanation:
A geologic column can be defined as a collection of rock layers that are typically grouped based on their relative ages in a descending order i.e from oldest to the youngest.
Generally, the layers of the rock that are found in various parts of the world are known to be different because they all comprises of distinct Earth's geological history.
In this scenario, a scientist wants to make a geologic column of rock layers from different parts of a state. Thus, the claim which best explains how the scientist will do this is that, the scientist will organize the layers by comparing the fossils and types of rocks.
Hence, the scientist will collect or gather the fossils obtained from various rocks located in different parts of the state and make a comparison.
given the genotype frequencies below, what is the frequency of the v1 allele in this population? give your answer to one decimal place. f[v1v1]
0.6 + 0.5(0.2) = 0.7. We once more examine each person's genotype, count the copies of each allele, then divide that number by the total number of gene copies to determine the allele frequencies.
A population becomes fixed for that allele when the allelic frequency hits 1.0, at which point there is only one remaining allele in the population. The other allele is lost forever. Random genetic drift halts at a locus where an allele has either become fixed or lost in a population. By dividing the total number of copies of all the alleles at that specific genetic locus in the population by the number of times the allele of interest.
The complete question is:
Given the genotype frequencies below, what is the frequency of the V1 allele in this population? Give your answer to one decimal place.
f[V1V1] = 0.6
f[V1V2] = 0.2
f[V2V2] = 0.2
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Suggest ways you could determine if two similar species are mimics in nature
Answer:
i dont speak english sorry
Explanation:
:/
*HELP*
The moon snail is...
a. a carnivore that uses propodium to plow forward
b. know to live on mud and sand flats
c. a species of abalone
d. a species of cowry
e. choice a & b are correct
f. choice b & c are correct
g. choice a & c are correct
h. choice a & d are correct
Answer:
The correct answer is e. (choice a & b are correct).
Explanation:
The moon snail is a type of carnivorous sea snail that uses a muscular structure called a propodium to plow through sand and mud in search of prey. They are commonly found on mud and sand flats in coastal areas. Therefore, options a and b are both correct. Options c and d are incorrect as the moon snail is not a species of abalone or cowry.
a venous reflux study provides important information to help determine if venous ablation would be a viable treatment option for venous reflux. which of the following factors is least important for a successful outcome? caliber and depth of the vein, duration of reflux, presence of venous stasis changes, course of the vessel
When evaluating whether venous ablation would be a viable treatment option for venous reflux, the caliber and depth of the vein, duration of reflux, and presence of venous stasis changes are all important factors for a successful outcome. The course of the vessel is the least important factor.
The caliber and depth of the vein is an important factor for a successful outcome because the reflux must be treated through ablation of the entire involved vein segment. The duration of reflux is important because it gives a measure of how long the patient has been experiencing the symptoms of reflux and can provide valuable insight into how severe the reflux is. The presence of venous stasis changes gives an indication of the severity of the reflux and how much damage has been done to the veins.
The course of the vessel is the least important factor when considering whether venous ablation would be a viable treatment option because the ablation procedure is designed to treat the entire vein segment, regardless of its course. The course of the vessel may be important in determining the exact location of the ablation procedure but it is not necessary for a successful outcome.
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Which of the following organisms would NOT be in the first tropic level of an energy pyramid? Responses dog tree gas
Answer:
dogs
Explanation:
Help plz
environmental cues can affect gene expression and protein synthesis.
true or false
Answer:
pretty sure its true
Explanation:
Individuals with diabetes have a difficult time metabolizing foods that are high in ____ because their ____ doesn't secrete enough ____ to be able to take ____ out of the bloodstream for use by the muscles, brain, etc.
Individuals with diabetes have a difficult time metabolizing foods that are high in sugar because their pancreas doesn't secrete enough insulin to be able to take sugar out of the bloodstream for use by the muscles, brain, etc.
In this sentence, the four blank spaces represent the following:
sugar: This refers to simple sugars, such as glucose, that are found in many foods and are used by the body as a source of energy.pancreas: This is a gland located in the abdomen that produces hormones, including insulin, which regulates blood sugar levels.insulin: This is a hormone produced by the pancreas that helps to regulate blood sugar levels by allowing cells to take in and use glucose from the bloodstream.sugar: This refers to glucose, which is a type of sugar that is found in the bloodstream and is used by the body as a source of energy.Learn more about Diabetes here:
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photosynthesis is an example of...
an exothermic reaction
an endothermic reaction
a reaction that gives off heat
a reaction that emits energy
Answer:
Endothermic reaction
Explanation:
Photosynthesis is an endothermic reaction because sunlight is being absorbed during the reaction and the definition suggests that in a reaction if heat is being absorbed it is termed as an endothermic reaction.
which reason best explains why carbon is able to form macromolecules?
A. carbon is a very large element
B. carbon can bond with many elements
C. carbon is found in all living things
D. carbon is found in energy storing molecules.
Hi I’m not sure if I’m right with this Question I need some help please and thank u
The reason why these cells can develop too many tasks at once, beyond having the specific genes expressed, is that they can constantly produce usable forms of energy in form of ATP by using glucose in cellular respiration. So the correct answer to this question is the final one.
Arrange the following in the correct sequence for olfaction 1 ) CN I 2 ) mitral cell 3 ) olfactory cortex 4) association neuron
The correct sequence for the olfaction is:
1) CN I
2) Mitral cell
3) Association neuron
4) Olfactory cortex.
The correct sequence for olfaction is as follows:
1. The olfactory nerve, or CN I, states that the olfactory sensory neurons are located in the olfactory epithelium of the nasal cavity.
2. The axons of olfactory sensory neurons form synapses with the principal output neurons of the olfactory bulb, known as mitral cells.
3. Mitral cells communicate with the olfactory brain via association neurons that conduct their axons.
4. Olfactory Cortex: The olfactory cortex interprets and processes the information that the olfactory bulb sends to it. It is located in the temporal lobe of the brain.
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Irrigation is an important tool for creating enough food for populations of people.
What are two ways that irrigation harms the environment?
Irrigation harms the enviroment because
a, pollution can get into the open water
&
b, animals could drown/ no way to pass over it/ fall in
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Create an argument using empirical evidence and scientific reasoning to defend one of the following sexual reproduction methods as the most effective: animals’ internal fertilization, animals’ external fertilization, flowering plants’ wind pollination, or flowering plants’ animal pollination.
Give at least two scientific reasons for why the method that you chose is most effective at creating genetic diversity. Part of your argument should refer to the structures involved. Your argument should also include examples of why at least two of the other methods are not as effective.
Answer:
I would argue that animal pollination of blooming plants is the most successful form of sexual reproduction for generating genetic variation.
According to science, animal pollination enables the transport of pollen from one flower to another, increasing the genetic variety of the population. This is so that there is a greater potential of genetic mixing because different animals may visit various blooms, dispersing pollen from various plants.
Another justification is that, in contrast to wind pollination, animal pollination frequently entails actively moving pollen from one flower to another, which may result in higher genetic variety. While wind-borne pollen frequently travels enormous distances, it also tends to be dispersed by plants that are close relatives. Animals who visit flowers and spread pollen, on the other hand, are more likely to visit a variety of plants, encouraging greater genetic mixing.
Animal pollination also transfers genetic material from one plant to another, rather than only within a single plant or a group of closely related plants, making it more effective in promoting genetic variety than both animal internal fertilisation and external fertilisation.
Due to its capacity to encourage the transfer of pollen from various plants and physically transport the pollen, which results in greater mixing of genetic material, animal pollination of flowering plants is, therefore, the most effective method of sexual reproduction in terms of generating genetic diversity.Hope it helps! : )8. Why does a virus require a living cell in order to reproduce?
O A virus does not contain organelles or cytoplasm.
O A virus does not contain a nucleic acid.
O A virus does not contain proteins or lipids.
O A virus does not contain genetic information.
Answer:
A virus doesn't contain genetic information