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lara31 [8.8K]
3 years ago
5

T cell-target cell interactions induce specialized tc cells to produce ________ that kill virus-infected target cells.

Biology
2 answers:
Step2247 [10]3 years ago
8 0
T-cells target cell interactions induce specialized Tc cells to produce perforins that kill virus infected target cells. The perforins are pores forming cytolytic protein found in the granules of cytotoxic T lymphocytes and the NK cells. After the process of degranulation, perforin binds to the target cell's plasma membrane, and oligomerises in a calcium ion dependent manner to form pores on the target cell.
Doss [256]3 years ago
6 0

The answer is granzymes. are serine proteases which trigger the apoptotic cascade in target cells. Apoptotic enzymes activated by granzymes can also destroy viruses or other cytoplasmic pathogens in the target cells so that the pathogens cannot infect nearby cells. Dead target cells are rapidly ingested by macrophages. The Tc cells also produce perforin pores to  allow granzymes to enter the target cell.






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Sunny_sXe [5.5K]

Answer:

I believe this answer would be C. It looks fairly stable so it should remain that way over time.

Explanation:

8 0
3 years ago
Suu-OS
Colt1911 [192]
I would say A is the correct answer. B and C are definitely wrong, and I think D is talking about genes and not chromosomes.
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3 years ago
Under physiological conditions, peptide bond formation and degradation both require enzymes, but only formation requires couplin
posledela

Answer:

thermodynamically unstable but kinetically stable.

Explanation:

The complete question is as follows:

Under physiological conditions, peptide bond formation and degradation both require enzymes, but only formation requires coupling to GTP hydrolysis. Based on this information, peptide bonds under physiological conditions are:

A. both thermodynamically and kinetically stable.

B.thermodynamically unstable but kinetically stable.

C.thermodynamically stable but kinetically unstable.

D. both thermodynamically and kinetically unstable.

  • The term thermodynamically unstable refers to the fact that the peptide bonds are prone to breakage under physiological conditions.
  • The reason why one can conclude the thermodynamic instability of the peptide bonds under physiological condition is that there is a need for a source of energy i.e. GTP hydrolysis for the formation of the peptide bond.
  • The fact that the breakage of peptide does not require any input of energy but the only formation does confirms the fact that under physiological conditions they are thermodynamically unstable.
  • Even though they are thermodynamically unstable, they are kinetically stable because both the formation and degradation require enzymes.
  • The function of enzymes is to decrease the activation energy and hence, increase the rate of reaction. This means that if the enzymes are absent the rate of breakage of peptide bonds would be really slow this points out to the fact that they are kinetically stable under physiological conditions.
8 0
3 years ago
Why is gmo modification different for plants and animals
morpeh [17]

In animals, a gene is inserted into an embryo, modifying the genome to manufacture the product of this new gene. In plants, a gene is injected into a single cell that is grown from a seed into a plant. This plant expresses the new gene in all its cells. The difference between GM and selective breeding.

6 0
2 years ago
* What is an infectious disease? How are they different from non---infectious<br>diseases?​
vovangra [49]

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infectious disease is a disease that can be spread from one person to another  by the means of touching,kissing,coughing,sneezing ect ect.

but non infectious diseases r diseases that don not spread from one person to another. for eg: cancer bla bla bla.

please mark me as brainlist as i have written this from my own head and also i have science exam on tuesday

PEACE OUT

4 0
3 years ago
Read 2 more answers
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