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Anna35 [415]
2 years ago
8

By far the most common high-tech assisted reproduction technique used is _____.

Biology
2 answers:
Aleksandr-060686 [28]2 years ago
5 0
The answer is In vitro fertilization
Dafna11 [192]2 years ago
4 0
THe answer tothis question is in vitro fertilization in which a giant needle is used impregnate the women. <span />
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Iodine is a yellowish solution. A starch solution is white. A starch solution turns purplish-black in the presence of iodine. If
cupoosta [38]

Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

6 0
2 years ago
Directed pressure causes _____.
prisoha [69]
C. Sedimentary Layers, sedimentary rocks are created as a result of high pressure :)

I hope this helped!
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2 years ago
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A cells function can include obtaining food and water and getting rid of
Dafna11 [192]
Waste (byproducts) made by the cell that serves no purpose to keep inside the cell membrane.
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The type of selection that favored progressively larger brain size in human evolution is _______ selection
dem82 [27]
<span>T he type of selection that favored progressively larger brain size in human evolution is </span>directional selection. Directional selection is a type of natural selection (besides stabilizing selection, disruptive selection, kin selection,..)<span> in which an extreme phenotype is favored over other phenotypes. Because progressively larger brain size is an extreme phenotype this is a directional selection.</span>


6 0
2 years ago
Alvin is studying a model of the chemical structure of a common nucleic acid. He observes that the nucleic acid consists of four
Leto [7]
<h2>A) option is correct </h2>

Explanation:

  • RNA is a linear polymer of ribonucleotides
  • Sugar in RNA is ribose instead of deoxyribose which is present in DNA
  • The four nitrogenous bases present in RNA are adenine, cytosine, guanine and uracil whereas that in DNA are adenine, cytosine, guanine and thymine
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