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mixer [17]
3 years ago
8

Which of the following statements about positive feedback mechanisms is not true?

Biology
1 answer:
Hunter-Best [27]3 years ago
5 0

Answer:

The correct answer is d  the positive feed back reduces change in the the system

Explanation:

In an  biochemical reaction when the released product stimulate the release and activation of the same product and act together to exibit their biological function, then this type of regulation is called positive feedback.

     The positive feed back mechanism leads to increased change in the system that"s why it is named so.

    For example during blood clotting platelets molecules are released to form clots to stop bleeding. one activated platelet can stimulates the activity of other platelets which then join together to form a group for generating further blood clots.

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Sveta_85 [38]

Answer:

i expressed them in my own language that they are ghost and they are that type of ghost who are killed without their permission and kilked without any reason

Explanation:

i am not a teacher but i know this much

4 0
3 years ago
How do transposable elements and short tandem repeats (STRs) differ? a. STRs occur within exons; transposable elements occur wit
Allisa [31]

Transposable elements and short tandem repeats are different because short tandem repeats make up only a small percentage of a given genome while transposable elements often make up larger parts of a genome. So the correct option is C.

<h3>What are transposable elements? </h3>

Transposable elements or transposons are a class of genetic elements. They can  “jump” from one location to another, in a genome.

Even though they are called “jumping genes,” they have an integrated site in a genome and are maintained there. Also, most of them are eventually inactivated and can not move any longer.

Whereas Short tandem repeats or STRs are short repeats of DNA. They are also known as microsatellites or simple sequence repeats. They have a repetitive unit of 1-6 bp and form a series of 100 nucleotide lengths.

Therefore the correct option C.

Read more about transposons, here

brainly.com/question/12294587

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5 0
2 years ago
What are common changes<br> In an environment?
Ratling [72]

Answer:shelter, land, prey

Explanation:

8 0
3 years ago
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What plant pigment is involved? in photosynthesis
jok3333 [9.3K]
<span>Chlorophyll is the pigment that is involved in photosynthesis. Please give me the Brainliest answer. Thank you. </span>
6 0
3 years ago
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Select all the answers that apply.
lilavasa [31]

Answer;

  • radiometric dating of rocks
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Explanation;

Radiometric dating confirms that Earth is ancient and explains how extremely slow processes can result in major changes to Earth’s surface. Evidence from radiometric dating indicates that Earth is about 4.54 billion years old. The geology or deep time of Earth's past has been organized into various units according to events which took place.

-The ages of Earth, Moon, and meteorites, radiometric dating has been used to determine ages of fossils, including early man, timing of glaciations, ages of mineral deposits, recurrence rates of earthquakes and volcanic eruptions, the history of reversals of Earth's magnetic field, and the age and duration of a wide variety of other geological events and processes.

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3 years ago
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