Cell to cell communication is important to let cells know they need to survive,

Question

Cell to cell communication is important to let cells know they need to survive, grow and divide, differentiate, or even die.

Question 2

Which type of signaling is a type of signaling over long distances by use of hormones as signaling molecules that are released into the bloodstream so that they can travel all throughout the body?

Question 3

Which of the following are true in regard to second messengers? (CAN BE MORE THAN ONE ANSWER)

Question 4

Which of the following cellular responses happens quickest?

Question 5

Negative feedback with a short delay generates an oscillatory behavior.

Question 6

The alpha sub-unit of the G protein can only bind GTP.

Question 7

Which of the following are true in regard to Ca2+ in the cell? (CAN BE MORE THAN ONE ANSWER) choose all that apply

Question 8

Which of the following is NOT true in regard to G-Proteins and GPCRs?

Question 10

The increased in Ca2+ spike frequency is translated into a gradual increase in the activation of CaM-kinases. Which of the following is TRUE about this decoding process?

Question 11

Two cell types make a drastically different cellular response upon the same concentration of extracellular acetylcholine. Which of the following is NOT the reason for this?

Question 12

Consider the signaling pathway depicted below, which involves two different receptors. Assume that a protein is active only when it is activated but not inhibited by its upstream signaling molecules. Activation and inhibition are indicated by normal and blunt arrows, respectively. Under which of the following conditions is target-gene expression induced?

Explanation / Answer

Answer 1:- TRUE

Cell communication occurs when signals are transmitted amongest them. Hence, cells communication is important for the functioning of the cells like survive, grow, divide, differentiate or even die.

Answer:- 2 ENDOCRINE SIGNALLING

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