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Hunter-Best [27]
3 years ago
12

Cytotoxic T cells can attack target cells with which of these chemical weapons?

Biology
1 answer:
GenaCL600 [577]3 years ago
4 0

Answer:

secrete a cytokine that triggers apoptosis

Explanation:

Cytotoxic T cells secrete granzymes and perforins when targeting cells. Additionally they secrete cytokines such as IFN-, TNF-α and TNF-β that act to activate macrophages and help kill infected cells.

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Explain why a variety of instruments are needed to measure change in the climate system.
malfutka [58]

A Variety of instruments is needed to measure the change in the climate system because of B. The climate system involves several different factors that are measured  differently

For example Wind and Temperature. Both of these factors will heavily affect the climate system but both these factors are so different and they need different instruments to be measured

7 0
2 years ago
Please help on question 5 I’m really confused and I have to hand this in an hour so please help !!!
serious [3.7K]

Answer:

8 kg

Explanation:

Yeah. 8kg of chocolate! Seems so funny, but that is the answer for this problem.

...

Please see the step-by-step solution for this problem in the picture attached below.

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3 0
3 years ago
Please help me define <br>hypothalamus in full describtion.<br>​
gtnhenbr [62]
Part of the brain,superior and anterior to the brain stem. Inferior to the thalamus a section of the brain responsible for hormone production. Also responsible for the direct control of the endocrine system through the pituitary gland.
6 0
3 years ago
 Which of the following does not lay amniotic eggs? 
Fiesta28 [93]
<span>B. Marsupials. </span>Amniotic eggs is a unique kind of egg because they possess a semipermeable shell to protect the egg but it also allows gas exchange. Inside an amniotic egg contains the amnion, chorion and allantois. Animals that lay amniotic eggs are called amniotes, which include reptiles, birds, dinosaurs, monotremes (platypus).
7 0
3 years ago
If eaten both the fish and predator will die? *
cestrela7 [59]

Answer:

The shark wont die unless it is hurt very badly by the puffer fish. The puffer fish is able to kill all of the animals listed but the puffer fish wouldn't die if he uses his abilities. I would say the sting ray.

Explanation:

3 0
3 years ago
Read 2 more answers
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