Practice Questions

TLS Online TPP Program

#Question id: 31132

Which of the following statements about pumps is NOT correct?

#Unit 2. Cellular Organization

P-class includes the Na⁺/K⁺ ATPase in the plasma membrane, which generates the high cytosolic Na⁺ and low cytosolic K⁺ concentrations typical of animal cells.
F-type pumps use the H⁺ gradient across the membrane to drive the synthesis of ATP.
V-class pumps couple ATP hydrolysis to transport of protons against a concentration gradient.
ABC transporters primarily pump small molecules across cell membrane.

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TLS Online TPP Program

#Question id: 3664

#Unit 3. Fundamental Processes

If a mutation is complemented by a clone of a different gene whose product is being overproduced, this is called:

TLS Online TPP Program

#Question id: 26972

#Unit 10. Ecological Principles

For a species having logistic growth, if K = 10,000 and r = 0.18, the maximum sustainable yield will be ____

TLS Online TPP Program

#Question id: 21127

#Unit 12. Applied Biology

Which one of the following measures the heart and respiratory rates?

TLS Online TPP Program

#Question id: 3916

#Unit 3. Fundamental Processes

Transcription termination

TLS Online TPP Program

#Question id: 23848

#Unit 2. Cellular Organization

Smooth muscle contraction is regulated by