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Sati [7]
4 years ago
12

Which protein presents viral antigens on the outer surface of cells? which protein presents viral antigens on the outer surface

of cells? antibody. mhc protein. t cell receptor. b cell receptor?
Biology
1 answer:
Degger [83]4 years ago
8 0
T cell receptor presents viral antigens.
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Two genes are 22 map units apart on the same chromosome. A true-breeding GGhh individual is crossed to a true-breeding ggHH indi
Oliga [24]

Answer:

d. 110

Explanation:

<u>Parental cross</u>: Gh/Gh  x  gH/gH

<u>F1</u>: Gh/gH

<u></u>

<u>The following test cross experiment is done:</u>

Gh/gH  x  gh/gh

<u>Gametes produced by these individuals:</u>

- gh/gh: gh (probability of 1)

- Gh/gH:

  • Gh (parental)
  • gH (parental)
  • GH (recombinant)
  • gh (recombinant)

The formula that relates genetic distance with recombination frequency is:

<h3>Genetic Distance (m.u.)= Recombination Frequency X 100</h3>

In this problem:

22 m.u. / 100 = Recombination Frequency

0.22 = Recombination Frequency

The recombination frequency altogether is 0.22, but there are 2 possible types of recombinant gametes and when one is generated, the other one is generated as well. Therefore, each recombinant gamete has a frequency of half the total recombination frequency: 0.11

In an offspring of 1000 individuals, I would expect 110 to be GH/gh.

4 0
3 years ago
The Statue of Liberty is made of copper that has turned green because it has undergone a change. What can be said about this cha
Rudik [331]

Answer:

d. The change is not a physical change because a new chemical is formed on the outside of the statue.

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Kobotan [32]
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