1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Amanda [17]
4 years ago
5

Activated CD8 cells will mount a direct attack on target cells through the action of ____________ , which punch holes in membran

es, and ____________ , which then enter through these passageways.
Biology
1 answer:
lyudmila [28]4 years ago
8 0

Answer:

1. Perforins

2. Granzymes

Explanation:

The activated CD8 cells (the cytotoxic T cells) mount their immune response with the help of two proteins: perforins and granzymes.

Perforins are the proteins that stimulate the cytolysis of the infected cell by inserting itself into the plasma membrane of the infected cell to form channels. The channels in the plasma membrane of infected cells allow the surrounding fluid to enter the cell followed by its bursting.

Granzymes are the proteins that enter the infected cells through the channels formed by perforins and stimulate apoptosis.

You might be interested in
Please Answer! I really need some help!!
andrey2020 [161]
False because macro photography is a photograph fosusing on something specifically

6 0
4 years ago
o ensure that all bacteria are removed from the puncture site for blood cultures, the site should be cleansed using friction for
sweet [91]

60 seconds

To ensure that all bacteria are removed from the puncture site for blood cultures, the site should be cleansed using friction for a minimum of 60 seconds.

<h3>Where exactly is the puncture site?</h3>
  • The proper location must be cleansed and punctured with a lancet so that a drop of blood can be softly expressed before blood can be collected using a capillary tube.

<h3>But what constitutes a suitable location? </h3>
  • Finger: In both adults and children, the third or fourth finger is typically favored location as a puncture site

<h3>Where on the body does a skin puncture most frequently occur?</h3>
  • The most frequently used site is the distal end of the third or fourth finger.
  • Because the bone is so close to the skin surface, there is a higher risk of puncturing the bone at the very tip of the finger.

To learn more about puncture site visit:

brainly.com/question/19564069

#SPJ4

3 0
2 years ago
At the end of mitosis, __________ daughter cells that are genetically __________ are formed, while at the end of meiosis, ______
Bond [772]

Answer:

At the end of mitosis, __two________ daughter cells that are genetically _____similar_____ are formed, while at the end of meiosis, _____four_____ daughter cells that are genetically _____distinct_____ are formed.

Explanation:there are two types of cell division; mitosis which occurs in somatic cells and meiosis which occurs in reproductive cells.

In mitosis, division occurs once leading to the production of two daughters cells.crossing over does not occur in the chromosome, so the daughter cells are genetically identical to the parent cell.

In meiosis,cell division occurs twice ,(meiosis I & II),leading to the production of four daughter cells.

Crossing over occurs,leading to genetic variation in the daughter cells.

4 0
3 years ago
The tRNA with the anticodon CGC should have linked at its 3 'terminal to the amino acid:
Strike441 [17]

Answer:

D. Ala

Explanation:

Alanine is GCG

5 0
3 years ago
Flow chart of the carbon cycle with 4 boxes connected by arrows. Box 1: carbon dioxide in the atmosphere. Box 2: X. Box 3: consu
Yuri [45]

Answer:

The carbon cycle with 4 boxes connected by arrows. Box 1: carbon dioxide in the atmo… ... 4 boxes connected by arrows. Box 1: carbon dioxide in the atmosphere. Box 2: X. Box 3: consumers eat producers. Box 4: Y. The arrow that follows box 4 connects to box 1. Which labels best complete the flow chart?Explanation:

3 0
3 years ago
Other questions:
  • Do Offspring of a sexually reproducing organisms have the same genetic code as their parents?
    13·1 answer
  • G6PD deficiency in humans is an X-linked recessive trait. If a homozygous dominant female (XGXG) has children with an affected m
    12·1 answer
  • The niche of a bass might be _______.
    6·1 answer
  • Why are certain bacterial infections difficult to treat with antibiotics? A) The bacteria are complex and require fungicides ins
    6·1 answer
  • A mutation in a DNA molecule is passed to offspring only<br> when the mutation occurs in a -
    15·2 answers
  • Which pregnancy-specific structure is responsible for delivering nutrients and oxygen to the fetus and removing waste products?
    10·1 answer
  • In which of the following is most of the water on earth held? A. rivers B. glaciers C. soil D. the ocean
    8·1 answer
  • PLZZZ HRRRY AND ANSWER ASAP WILL MARK AS BRAINLEST
    6·1 answer
  • Need help on part 2 pls leave some answer
    7·1 answer
  • How do abundant growth and care resources affect ecosystem?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!