As the receptor potential rises higher above threshold, which of the following best characterizes the new frequency of action potentials?

TLS Online TPP Program

#Question id: 24222

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following reaction of glycolysis is irreversible

1. Glucose is converted to glucose 6-phosphate in the presence of the enzyme hexokinase.

2. Fructose 6-phosphate is converted to fructose 1,6-biphosphate in the presence of the enzyme phosphofructokinase.

3. Phosphoenolpyruvate is converted to pyruvate in the presence of the enzyme pyruvate kinase.

4. isomerization of glucose 6-phosphate to fructose 6-phosphate

TLS Online TPP Program

#Question id: 626

#Unit 1. Molecules and their Interaction Relevant to Biology

A metabolic pathway proceeds according to the scheme, R -> S -> T -> U -> V -> W.  A regulatory enzyme, X, catalyzes the first reaction in the pathway.  Which of the following is most likely correct for this pathway?

TLS Online TPP Program

#Question id: 3438

#Unit 11. Evolution and Behavior

The type of learning that causes specially trained dogs to salivate when they hear bells is called

TLS Online TPP Program

#Question id: 20322

#Unit 4. Cell Communication and Cell Signaling

What are autoinducers in quorum sensing?

TLS Online TPP Program

#Question id: 15985

#Unit 12. Applied Biology

 which of the following phytohormones is enhances the immune system of the plant?