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ICE Princess25 [194]
3 years ago
5

Why is an electron microscope unsuitable to study living cells?

Biology
1 answer:
kari74 [83]3 years ago
8 0
You can't use it because the living cells won't be able to handle the high vacuum conditions.
Hope this helped ;)
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Suppose molecules were unable to diffuse into and out of the cells. How might life be different if cells had to use active trans
antiseptic1488 [7]

Answer:

Cells would most probably not exist because these units of life metabolize energy molecules like glucose to harness their energy for the running of biochemical processes, like active transport, to support life. However, harnessing this energy from these energy molecules is NOT 100 percent efficient. A higher percentage of energy is lost as heat in the process.

Therefore if the cells were required to carry all molecules in and out of the cell, actively, including the energy molecules themselves (which is counterintuitive), this would require a lot of energy and would be unsustainable. This would be analogical to the counteracting and infinite loop of more fuel needed to carry the mass of the more fuel in space travel...

Learn More:

To learn more about the movement of molecules across the cell check out;

brainly.com/question/6169784

brainly.com/question/8276318

#LearnWithBrainly

8 0
3 years ago
Why is water able to dissolve a wide variety of solutes?
kondor19780726 [428]

It is a polar molecule I'm pretty sure. And hinataaaa

5 0
3 years ago
In monkeys, being playful (P) is dominant to being paranoid (p). A heterozygous female is crossed with a homozygous dominant mal
Sergio039 [100]

Answer:

Pp or PP

Explanation:

Being heterozygous mean you have one recessive gene(a), one dominate (A). Homozygous dominant means you have only dominate(AA). if you use a Punnett square, it would look like this:

       P      P

P     PP   PP

p     Pp   Pp

This shows only Pp, and PP are the possible genotypes.

7 0
3 years ago
A researcher had 15 purebred wikl mice which were brown and all females, they were all mated with a male called Bob, All offspri
cestrela7 [59]

Complete question:

A researcher had 15 pure-bred wild mice which were brown and all were females. They were all  mated with a male called Bob. All the offspring were brown. These were then crossed among  themselves with the following results: 293 brown and 115 white.

(i). Determine the color of Bob.

(ii). Determine which color is dominant.

(iii). Work out the ratio of brown to white in the ‘grandchildren.’

(iv). If the researcher crosses two of the white 'grandchildren', determine the color of their  offspring.

Use the Punnett square to work out your answers

Answer:

(i). Determine the color of Bob. BOB IS WHITE

(ii). Determine which color is dominant. BROWN IS DOMINANT

(iii). Work out the ratio of brown to white in the ‘grandchildren.’      

     PHENOTYPIC RATIO BROWN TO WHITE 3:1

(iv). If the researcher crosses two of the white 'grandchildren', determine the color of their  offspring. THE WHOLE PROGENY WILL BE WHITE

Explanation:

Due to technical problems, you will find the complete question, answer, and explanation in the attached files.

Download pdf
4 0
2 years ago
Please Help ASAP... Will mark brainiest... 100 points
rjkz [21]

Answer:

A

Explanation:

because dinosaurs roamed the earth way longer than that.

sorry if im wrong buddy

4 0
3 years ago
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