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SOVA2 [1]
2 years ago
11

Analysis of the data obtained shows that two students each have two fragments, two students each have three fragments, and two s

tudents each have one only.
What does this demonstrate?
Biology
1 answer:
Readme [11.4K]2 years ago
6 0

Question: Please use the following information to answer the question(s) below.  A group of six students has taken samples of their own cheek cells, purified the DNA, and used a restriction enzyme known to cut at zero, one, or two sites in a particular gene of interest.

Analysis of the data obtained shows that two students each have two fragments, two students each have three fragments, and two students each have one only. What does this demonstrate?

Answer:

"The two students who have two fragments have one restriction site in this region."

Explanation:

A restriction enzyme, restriction endonuclease, or restrictase is an enzyme that cuts DNA into trashes at or close precise appreciation sites inside particles identified as restriction locations. Restriction enzymes are one session of the wider endonuclease collection of enzymes. In the laboratory, restriction enzymes (or restriction endonucleases) are used to cut DNA into minor trashes. The scratches are constantly made at exact nucleotide arrangements. Unlike restriction enzymes recognise and cut diverse DNA sequences.

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What part of the rotifer is responsible for crushing food?
frozen [14]

Answer:

Rotifers are specialists at living in habitats where water dries up regularly.

The Monogononta, which have males, produce fertilised 'resting eggs' which can resist desiccation (drought) for long periods.[11]

The Bdelloids, who have no males, contract into an inert form and lose almost all body water, a process known as cryptobiosis. Bdelloids can also survive the dry state for long periods: the longest well-documented dormancy is nine years. After they have dried, they may be revived by adding water. In this, and several other ways, they are a unique group of animals.[12]

Explanation:

The front has a ring of cilia circling the mouth. This gave the rotifers their old name of "wheel animalules". There is a protective lorica round its body, and a foot. Inside the lorica are the usual organs in miniturised form: a brain, an eye-spot, jaws, stomach, kidneys, urinary bladder.

Rotifers have a number of unusual features. Biologists suppose that these peculiarities are adaptations to their small size and the transient (fast changing) nature of its habitats.

8 0
2 years ago
What is Evolution in Biology?
katrin2010 [14]

Answer:

In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. ... Evolution relies on there being genetic variation in a population which affects the physical characteristics (phenotype) of an organism.

Explanation:

Hope this helps!

3 0
3 years ago
Read 2 more answers
which scientist theory did redi and pasteur's experiments refute? a.the theory of evolution b.the theory of spontaneous generati
Neporo4naja [7]
I believe it was the Cell theory. :)
3 0
3 years ago
Population(s) can have the same<br> species name.
mixas84 [53]
A population would be an organism (the same species) living in an area
3 0
2 years ago
Which method of heat transfer is energy that is teansferred by electromagnetic waves?​
Katarina [22]

Answer:

Radiation

Explanation:

Radiation is the transfer of heat by means of electromagnetic waves.

4 0
3 years ago
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