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4 years ago

Which is an example of negative feedback? Group of answer choices

Biology

1 answer:

ivolga24 [154]4 years ago

3 0

Answer:

The answer is option c. When the blood becomes dilute, ADH is no longer released from the hypothalamus.

Explanation:

Negative feedback mechanisms makes use of one of the end product of a pathway to control the activity of the pathway and reduce the release of the product.

Antiduiretic hormone (ADH) is produced in the hypothalamus. ADH regulates the amount of water in the blood. When there is less water in the blood, this stimulates the hypothalamus to release ADH so as to conserve water. When the blood becomes dilute (end product), as in the example, ADH release is stopped by the hypothalamus to prevent further dilution of the blood.

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Which of the following is a true statement?

lesya692 [45]

Answer:

All the statements are true and the correct option is;

D. All of these are true

Explanation:

Ecosystems change over time. ... Sudden disruptions such as volcanoes, floods, or fires can affect which species will thrive in an environment. Other disruptions are caused by human activities

An ecosystem ecosystem is an area where a community living (biotic) and non living (abiotic) things such as plants, animals, other organisms, landscape, natural sources and weather interact to create an apparently sustainable system

An ecosystem undergoes several changes over time due to environmental disturbance which results in the variation of the ecosystem's structure and change rate due to the natural disturbance and/or human activity

Therefore all the statements are true.

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3 years ago

Where must an mRNA attach before protein production can begin?

kap26 [50]

Answer:

to a Ribosome

Explanation:

mRNA is produced inside the nucleus of a cell according to the genetic information present in the DNA of the cell. this process is known as Transcription.

Then it's sent to ribosomal subunits in the cytosol through nucleopores. then it attaches to the ribosome. the ribosome reads the nitrogenous base sequence and pairs the tRNAs with complementary nitrogenous bases. <u>(your answer is here, but if you want to know more, continue reading it.)</u>

Each tRNA contains a tri-nucleotide that is collectively known as an anticodon which has the complementary bases of the relevant codon on the mRNA.

Each tRNA has captured a protein. the type of protein is determined by the sequence of the anticodon.

It means two tRNAs with two different anticodons cannot bring the same protein to the ribosome.

the Ribosome separates the proteins attached to tRNAs and links them as a chain.

the final result is a polypeptide chain. I explained to you the basic protein synthetic process.

image credit: Wikipedia

3 0

3 years ago

What is the largest ecosystem on the planet? A. grasslands B. oceans C. tundra D. forest

Paul [167]

B. the oceans is the largest ecosystem.

5 0

3 years ago

Read 2 more answers

Muscle tone that is abnormally high and that increases during activity is characteristic of

spayn [35]

<span>Muscle tone that is abnormally high and that increases during activity is characteristic of MUSCLE HYPERTROPHY. Muscle hypertrophy occurs when muscles develop micro-tears within the tissues. As these micro-tears develop, they become scar tissues that make-up muscles into the strong and sturdy characteristics that they have.</span>

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3 years ago

A(n ______ is a lipid characterized by the presence of four interconnected hydrocarbon rings.

Anestetic [448]

I think the answer is "steroid."

7 0

3 years ago