Species within a community that has a role out of proportion to its abundance are called___

TLS Online TPP Program

#Question id: 31083

#Unit 4. Cell Communication and Cell Signaling

The rise in the cytosolic Ca²⁺ level is transient because: 

TLS Online TPP Program

#Question id: 31084

#Unit 4. Cell Communication and Cell Signaling

Opening of IP3-gated Ca²⁺ channels in the endoplasmic reticulum leads to an increase in Ca²⁺ in the:

a) Cytosol

b) ER lumen

c) Mitochondrial matrix

d) Trans golgi

Which of the following is correct?

TLS Online TPP Program

#Question id: 31085

#Unit 4. Cell Communication and Cell Signaling

IP3/DAG signaling is terminated when: 

TLS Online TPP Program

#Question id: 31086

#Unit 4. Cell Communication and Cell Signaling

A small change in the level of cytosolic Ca⁺² leads to a large change in the level of active calmodulin because:

TLS Online TPP Program

#Question id: 31087

#Unit 4. Cell Communication and Cell Signaling

For smooth muscle contraction, Ca2+-calmodulin complex activates:

TLS Online TPP Program

#Question id: 31088

#Unit 4. Cell Communication and Cell Signaling

In response to elevated IP3,Ca⁺² is able to move from the ER lumen into the mitochondrial matrix through the: