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mash [69]
3 years ago
15

Where do scientist obtaint the majority of their modern knowledege about the history of life

Biology
1 answer:
Montano1993 [528]3 years ago
7 0

Answer:

fossils

Explanation:

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you are a biochemist working for a pharmaceutical company. you have been tasked with identifying a sample of nucleic acid. it is
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The sample that is being discussed in the problem can be either DNA or RNA.

DNA and RNA are both very important molecules. Both of these hold immense value in biology since they store all the vital information required for living. The basic structures of the two are quite similar; the only difference is that DNA is double-stranded while RNA has a single strand.

DNA and RNA molecules both contain a five-carbon sugar (ribose), a phosphate group, and a nitrogenous base. Except for cytosine, guanine, and adenine, the fourth part is the phosphate group that exists in both. RNA has Uracil while DNA has Thymine.

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6 0
1 year ago
Which organelles are labeled D?
LUCKY_DIMON [66]
<h3><u>Answer;</u></h3>

<em>Centrioles </em>

<h3><u>Explanation;</u></h3>
  • <em><u>Centrioles</u></em> are organelles that are only found in animal cells.
  • <u><em>Centrioles are important organelles that functions by helping the process of cell division in animal cells.</em></u> This is by helping the formation of spindle fibers whose role is to separate chromosomes during cell division.
  • Additionally, <em><u>centrioles also play a very important role in celiogenesis, the formation of cilia and flagella on the surface of cells.</u></em> The cilia and flagella enhance the movement of cells.
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3 years ago
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Which contraceptive method is effective to avoid pregnancy in women?
finlep [7]

Explanation:

I think the answer is contraceptive pills but not sure

8 0
3 years ago
What do you think would happen to a cell if enzymes were not<br> present?
ohaa [14]

Answer:

They would not be able to achieve homeostasis.

Explanation:

Homeostasis refers to the maintenance of a stable internal environment and the cell needs a healthy and proper enzymes to do this.

7 0
3 years ago
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Ribosomes are the site where
Agata [3.3K]

Answer:

codons

proteins

Explanation:

7 0
2 years ago
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