Evolutionary biology extends and amplifies the explanation of biological phenomena. It complements studies of the proximate causes (immediate, mechanical causes) of biological phenomena If we ask what causes a male bird to sing, the proximate causes include the action of testosterone or other hormones

TLS Online TPP Program

#Question id: 31033

#Unit 4. Cell Communication and Cell Signaling

PKA promotes glycogen degradation indirectly by phosphorylating and activating:

TLS Online TPP Program

#Question id: 2004

#Unit 4. Cell Communication and Cell Signaling

A bone marrow transplant may not be appropriate from a given donor (Jane) to a given recipient (Janeʹs cousin Bob), even though Jane has previously given blood for one of Bobʹs needed transfusions. Which of the following might account for this?

TLS Online TPP Program

#Question id: 3273

#Unit 11. Evolution and Behavior

The number of forward mutations is equal to the number of reverse mutations then

a) Population is in equilibrium for forward and reverse mutation rates

b) The population is being in Hardy–Weinberg equilibrium

c) No further change in allelic frequency

TLS Online TPP Program

#Question id: 15873

#Unit 12. Applied Biology

Which is the most commonly used carbon source, for all cultured plant materials, including even green shoots.

TLS Online TPP Program

#Question id: 28791

#Unit 2. Cellular Organization

Following statements regarding the filament capping proteins;

a) Tropomoduli.n blocks (-) end of filament proteins 

b) Tropomodulin blocks (+) end of filament proteins 

c) CapZ blocks (-) end of filament proteins 

d) CapZ blocks (+) end of filament proteins 

Which of the following are correct about capping proteins?