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kifflom [539]
2 years ago
11

Which piece of laboratory equipment would a student use if he wanted to view a living

Biology
1 answer:
OLEGan [10]2 years ago
4 0

Answer:

Compound light microscope

Explanation:

since the organism has to be dead in order to be viewed under the electron  microscope.

The centrifuge separates substances of different densities

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Approximately 60% of human genes are also found in fruit flies. About 97.5% of human genes are also found in mice. What does thi
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This evidence suggest that all three living creatures that are mentioned have a common ancestor, even though they have been split into different types of groups of living organism millions of years ago.

Science suggests that all of the living organisms on the planet have a common ancestor. Since we are talking about a common ancestor that lived few hundred million years ago, the living organisms split into different groups, and they do not resemble each other nowadays. The fruit fly is an insect, and the humans and mice are mammals, so they are into totally different groups, and it is easy to see by the genetic evidence that they are very distantly related, but the humans and mice are much more closely related because they belong to the same super family, and their connection is much more recent.

3 0
2 years ago
What are chromatids and how do they differ from chromosomes
Molodets [167]
Chromatids are only called as chromatids when they are sister chromatids, meaning that when chromosome have two double stranded DNA attached together, each of the double stranded DNA is a sister chromatid, and while the whole thing (the two sister chromatids that are attached together) is called a chromosome.

So after the DNA has been replicated, the chromosome consist of 2 sister chromatids, attached to each other at their centromere.

Overall, sister chromatid is one of the two double stranded DNA in a replicated chromosome, and chromosome is the whole "X" shape that we see. For example, in humans, after the S phase of interphase in the cell cycle, we have 46 chromosomes, with 92 chromatids, since each chromosome is an "X" shape, by having two sister chromatids.

Hope this helps!
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2 years ago
Is the following sentence true or false? When the pores
ira [324]

Answer:

False

Explanation:

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The answer to that would propbably be brp
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If an organism has a vestigial structures that structure likely once had a function in a
nikitadnepr [17]
I’m sure the answer is early ancestor.
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