What is the difference between chemoreceptors, photoreceptors, thermoreceptors, and mechanoreceptors

Answers

Answer 1

Answer: photoreceptors sense light

chemoreceptors sense taste and smell

thermoreceptors sense heat changes

mechanoreceptors sense touch

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What does Anterior mean?

Which is an antecedent condition?a. leadership outcomes
b. conceptualization
c. follower receptivity
d. putting followers first?

Answers

C. Follower Receptivity.

What is the main sources of human body

Answers

Answer:Humans obtain energy from three classes of fuel molecules: carbohydrates, lipids, and proteins.

hope this help yu am so smart at this questiuon

Explanation:

What is the blood flow of the ventricular systole? What is the blood flow of the diastole?
What if the blood flow of the antrial systole?

Answers

1. pump blood into the pulmonary trunk from the right ventricle and into the aorta from the left ventricle
2. it occur as the heart beats, pumping blood through a system of blood vessels that carry blood to every part of the body.
3. incorrect question

A population of birds has two feather colours, white and black. Black is dominant over white. If you know that 75% of a population of birds totalling 4520 individuals has the dominant phenotype, determine how many individuals are heterozygous? Please show me the mathematical work to get to the answer!! :)

Answers

Heterozygous means that the bird(s) have the recessive and dominant genotypes. If you have 75% of a population of 4520 birds that have black feathers, that leaves 25% of the population to have white feathers. In order for 25% of the birds to have white feathers, the two genotypes must be Xx and Xx. This leaves the options for the following genotypes when using a punnet square (will add one at the bottom): XX, Xx, Xx, xx. This gives you the percentage of heterozygous birds, which is 50%. If you take 50% of 4520, (4520 x 1/2 = 2,260) that is the number of heterozygous birds in the population.
Final Answer: 2,260 birds are heterozygous.
Punnet Square:
X x
X XX Xx
x Xx xx

Final answer:

To determine the number of heterozygous individuals in a population of birds with black and white feather colors, we can use principles of Mendelian genetics and the Hardy-Weinberg equation. By calculating the frequency of the recessive allele and applying the equation 2pq, we can find the number of heterozygous individuals. In this case, the population contains 2260 heterozygous individuals.

Explanation:

To determine the number of individuals that are heterozygous, we need to use the principles of Mendelian genetics. Since black is dominant over white, we can infer that the individuals with the dominant phenotype are homozygous dominant (BB) or heterozygous (Bb).

Let's assume that the population consists of Bb individuals. Given that 75% of the population has the dominant phenotype, the remaining 25% must have the recessive phenotype (bb).

So, the frequency of the recessive allele (b) can be calculated using the Hardy-Weinberg equation: q = √(0.25) = 0.5.

Now, to find the number of heterozygous individuals, we can use the equation 2pq, where p is the frequency of the dominant allele (B) and q is the frequency of the recessive allele (b). Since p + q = 1, we can calculate p using the equation p = 1 - q = 1 - 0.5 = 0.5. Then, we can substitute the values into the equation 2pq:

2 × 0.5 × 0.5 = 0.5

Therefore, there are 0.5 × 4520 = 2260 heterozygous individuals in the population.

Learn more about Heterozygous individuals in a population of birds here:

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DNA plays a major role in heredity, composing the genes that are passed down from parent to offspring. It also plays a major role in the everyday workings of your cells. It does this by creating molecules, such as enzymes, that regulate cell functions. These enzymes belong to a larger class of molecules known as A) RNA. B) proteins. C) ion pumps. D) amino acids

Answers

Answer;

B. Proteins.

Explanation;

-Information that is stored in DNA molecules is used to manufacture proteins through the process of transcription and translation.

-During transcription, DNA molecules are used to generate mRNA (messenger RNA), which then undergoes translation in the cytoplasm to generate proteins. These proteins include enzymes that control or regulate and catalyze different biological reactions in the body.

- Additionally, one of the characteristic of protein is being protein in nature which means like proteins they are produced through translation in the ribosomes.

Answer:

I get the bonus points is B) proteins

Explanation:

thanks for your help doing this.

What is one positive effect that prey have on a predator population? A. Prey populations that decrease provide for consistent predator populations. B. Prey populations that increase provide for lower predator populations. C. Prey populations that increase provide for higher predator populations. D. Prey populations that decrease provide for higher predator populations.

Answers

The answer is C. Hope this helps!

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A student placed a disk of filter paper in each of the following solutions: disinfectant 1, disinfectant 2, disinfectant 3, and distilled water. While the four disks were soaking in their respective solutions, she streaked a sterile nutrient agar dish with a culture of E. coli bacteria. Then, she placed each disk carefully onto the nutrient agar dish, placed the lid on the dish, taped it shut, and incubated the dish at 37°C for several days. The diagram shows how the nutrient agar dish looked on Day 1 and Day 4. The shaded portion of the plate on day 4 indicates the bacterial growth. What is the control in the experiment?a. Disk soaked in disinfectant 1 b. Disk soaked in disinfectant 3 c. Disk soaked in disinfectant 2 d. Disk soaked in distilled water