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IRINA_888 [86]
3 years ago
8

Acetylcholine receptors on skeletal muscles are described as being ionotropic receptors because

Biology
1 answer:
DerKrebs [107]3 years ago
3 0

Answer:

they are Na+, K+ and Ca2+ ion channels.

Explanation:

Ionotropic acetylcholine receptors are also called nicotinic acetylcholine receptors because beside acetylcholine (Ch) they respond to nicotine. These receptors are  primary receptors in muscle for motor nerve-muscle communication that controls muscle contraction.

Two molecules of ACh are required for receptor to open. Since the receptors are  linked to ion channels, the channels open. Opening of the channel allows positively charged ions to move across it: sodium enters the cell and potassium exits.

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Brodt and Zimbardo found that shy women who were bombarded with loud noise and told that it would leave them _____ were subseque
denis23 [38]

Brodt and Zimbardo found that shy women who were bombarded with loud noise and told that it would leave them with a pounding heart were subsequently no longer so shy when interacting with a handsome male.

a) with a pounding heart; no longer so shy

<u>Explanation:</u>

Shy is an emotion expressing nervousness, being reserved and timidity when communicating or being with some people. Shyness is generally observed in the person who has low self-confidence and inferiority complex.

Brodt and Zimbardo found that when a woman is continuously allowed to face loud noise, initially it may lead to pounding heart and subsequently they get used to it and they will be no longer shy. These scientists also found that when woman is interacting with the handsome male they will never feel shy.

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3 years ago
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Basile [38]

Answer: Males inherit only one X chromosome, so they show all traits on that one chromosome without another to mask them

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3 years ago
Matching (1pt each) Match the structures/organisms on the right to the appropriate statement below. Use each letter once.
kipiarov [429]

Answer:

i

Explanation:

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3 years ago
The all-or-none response of a neuron is similar to:
goldfiish [28.3K]

Answer:

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3 years ago
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The pH indicator bromothymol blue is an alkaline solution and yellow is an acidic solution. A slight increase in acidity. Such a
spayn [35]

Water plants in the solution are placed under a bright lamp. Thus, option "B" is correct.

<h3>Explain your answer briefly?</h3>

As we know adding carbon dioxide in as solution result in the change of its acidity this is result in the indicator to change from blue to yellow. In the question, it is asked that what factors from the given option will cause yellow indictor to blue which means what factors cause the solution to be alkaline from acidic.

Placing the green water plants in the solution under a bright lamp will cause the is utilizing and remove present carbon dioxide in the solution and leads the to blue color from the yellow color of the solution.

Thus, this could be the answer.

The question is incomplete, however, the missing part is given as below:

A. Yeast cells and sugar are placed in the solution. B. Water plants in the solution are placed under a bright lamp. C. Algae are placed in the solution and left in a dark room. D. A person blows air into the solution through a straw.

To learn more about  pH indicator click here:

brainly.com/question/16236741

#SPJ

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2 years ago
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