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Lelu [443]
3 years ago
13

The purpose of transcription is to create

Biology
1 answer:
Levart [38]3 years ago
4 0

Answer:

B. a sequence of DNA bases that duplicates a sequence of RNA bases.

Explanation:

Transcription is the first step in gene expression. It involves copying a gene's DNA sequence to make an RNA molecule.

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Which best describes the offspring of protists?
Hunter-Best [27]

Options found elsewhere:

-always genetically identical to one parent

-always genetically identical to both parents

-never genetically identical to one parent

-sometimes genetically different than both parents

Answer:

-sometimes genetically different than both parents

Explanation:

Protists are eukaryotes that cannot be classed as animals, plants, or fungi. They are quite diverse. Examples include amoeba, plasmodium, and slime mould.

Because they are so diverse, protists also have very different modes of reproduction. Some protists undergo asexual reproduction, where they simply make a copy of themselves without a mate. Others undergo sexual reproduction.

Therefore, the only option that can be correct is "-sometimes genetically different than both parents" .

If they were always genetically identical to one parent or both parents, that would mean that sexual reproduction could not be possible. If they were never genetically identical to one parent, that would mean that asexual reproduction could not be taking place.

7 0
3 years ago
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Why do lipophilic hormones require carrier proteins while being transported in the blood?
valina [46]

Lipophilic hormones, intuitive as the name suggests, tend to dissolve well in lipids/fats than they do in water. Therefore lipophilic hormone does not dissolve well in blood plasma which would affect their diffusion.  The carrier proteins are mainly the serum albumins.


6 0
3 years ago
Describe the advantages of a four chambered heart compared to heart with two or three chambers
anygoal [31]
Four chambered heart keeps oxygenated and deoxygenated blood separate and has double circulation while three chambered heart has a single circulation. Two chambered heart only has single atrium and single ventricle
6 0
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True or false: A spider web is considered a biotic factor<br> A. True<br> B. False
Kipish [7]

Answer:

i think a sorry if its wrong!

Explanation:

5 0
3 years ago
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7 What is the function of cholesterol in the cell membrane?
Murljashka [212]

Answer:

D. helps maintain membrane fluidity

Explanation:

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