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Margarita [4]
3 years ago
7

If an organism expresses a recessive phenotype, can you tell the genotype? Explain your answer by giving an example.

Biology
1 answer:
blondinia [14]3 years ago
4 0
Yes can you tell the genotype because obviously if you can tell the genotype then there you go
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Which hormone does the sympathetic nervous system release to increase heart rate.
sertanlavr [38]

The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.

<h3>What is a heart rate? </h3>

it is the number of contractions of the heart per minute.

<h3>What are catecholamines?</h3>

These are the neurotransmitters that have a catechol and a side chain that is an amine.

<h3>Which catecholamines are released by the sympathetic nervous system?</h3>

Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.

<h3>Where are these hormones released?</h3>

These hormones are released in the blood.

<h3>How does this hormone increase the heart rate?</h3>
  • "These hormones are released at the neuromuscular junction of the cardiac nerves."
  • "They shorten the repolarization period."
  • This speeds up the rate of depolarization and contraction and thus the heart rate is increased.

To learn more about sympathetic nervous system, hormones and heart rate here,

brainly.com/question/1155838

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8 0
1 year ago
Read 2 more answers
PLEASE HELP ME BEFORE I FAIL THE 6TH QUIZ THIS YEAR
Kay [80]

Answer:

I would have to say c I have learned this type of stuff in the past

6 0
2 years ago
Which of the following statements best distinguishes a hypothesis from a theory?
alexdok [17]
I’d go with C hope it helps
5 0
3 years ago
1. Which of the following correctly compares the changes that take place in an ecosystem during primary succession and secondary
mr Goodwill [35]
The correct answers are as follows:
1. A.
There are basically two types of succession, they are primary and secondary succession. Primary succession refers to the type of succession that occurs in new and bare areas where the soil present is unable  to sustain the growth of plants. An example of primary succession area is an area with sand dunes that is freshly formed. Primary succession usually occur over a long period of time. Secondary succession is a type of succession that occur on a land which was disturbed by  hazardous events such as fire outbreak, flood, etc. Secondary succession occurs much faster than the primary succession.

2. D
There are two types of factors that affect any particular ecosystem, these are abiotic and biotic factors. The abiotic factors refers to non living factors such as temperature, relative humidity, rainfall, etc. while the biotic factors refer to the living factors. Looking at the options given above, one will see that only option D has living factor, which is predators. All other options have abiotic factors.
6 0
3 years ago
Question 3
andrew-mc [135]
I’m sure it’s Biome !
8 0
2 years ago
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