Which of the following statements about the evolution of life histories is correct?

a.Unstable environments with unlimited resources favor r-selected populations.

b.K-selected populations are most often found in environments where density-independent factors are important regulators of population size.

c.Most populations have both r- and K-selected characteristics that vary under different environmental conditions.

d.The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.

TLS Online TPP Program

#Question id: 31093

#Unit 4. Cell Communication and Cell Signaling

Which of the following channels in the outer mitochondrial membrane segments adjacent to MAMs efficiently pass the Ca²⁺ into the mitochondrial intermembrane space?

TLS Online TPP Program

#Question id: 31094

#Unit 4. Cell Communication and Cell Signaling

The high concentration of Ca⁺² in the intermembrane space induces the opening of:

TLS Online TPP Program

#Question id: 31095

#Unit 4. Cell Communication and Cell Signaling

Ca²⁺ is released from the mitochondrial matrix into the intermembrane space by:

TLS Online TPP Program

#Question id: 31096

#Unit 4. Cell Communication and Cell Signaling

The calcium transport cycle is completed when: 

TLS Online TPP Program

#Question id: 31097

#Unit 4. Cell Communication and Cell Signaling

The protein that senses Ca+2 depletion in the ER is called:

TLS Online TPP Program

#Question id: 31178

#Unit 4. Cell Communication and Cell Signaling

Wnt is a combination of which of the following proteins?