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barxatty [35]
3 years ago
5

What did the phase-contrast microscope allow scientists to study?

Biology
1 answer:
kvv77 [185]3 years ago
3 0
Viruses research study related
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What occurs to a DNA strand during DNA replication?
Murrr4er [49]

Answer:

It is copied.

Explanation:

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.

7 0
3 years ago
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Please help<br> Explain how independent and dependent variables apply to life
Crazy boy [7]

Answer:

If one wants to estimate the cost of living of an individual, then the factors such as salary, age, marital status, etc. are independent variables, while the cost of living of a person is highly dependent on such factors. Therefore, they are designated as the dependent variable.

4 0
3 years ago
Which organelle do you think is the most important organelle for an animal cell? why or why not?
Vera_Pavlovna [14]
THE NUCLEUS, BECAUSE FIRST OF THE NUCLEUS CONTROLS MOST OF THE HEREDITARY INFORMATION OF DNA YOU KNOW WHAT IS RIGHT? (DEOXYRIBONUCLEIC ACID) WHICH IS FOUND ON THE CHROMOSOMES. ALL THE OTHER ORGANELLES THAT DOES THERE OWN FUNCTIONS ARE CONTROLLED BY THE NUCLEUS. FOR EXAMPLE:

NUCLEUS: HEY RIBOSOMES!!
RIBOSOMES: YEA BOSS?
NUCLEUS: GO TO THE ENDOPLASMIC RECTULUM AND PRODUCE PROTEINS THERE
RIBOSOMES: YOU GOT IT BOSS!

SEE.... RIBOSOMES PRODUCE PROTEINS  FOLLOWING CODED INSTRUCTIONS THAT COME FROM THE NUCLEUS.  "THE CONTROL CENTER"

7 0
4 years ago
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Heloopplpopolll plz
ryzh [129]

Answer:

Options 2, 3 and 4

Explanation:

Options 2, 3 & 4 are also mentioned at tge end of the cycle; hence it means that a star can become a supernova, black hole or a neutron star at the end of its evolution.

I hope i helped you; if I did kindly do mark me as brainliest <3

6 0
3 years ago
You are beginning cpr on an adult. you have determined that the victim is unresponsive and is not breathing. what is your next s
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The next step is to Check for pulse.
6 0
3 years ago
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