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TLS Online TPP Program

#Question id: 921

Which of the following statements concerning the B oxidation of fatty acids is true?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. About 1,200 ATP molecules are ultimately produced per 20-carbon fatty acid oxidized.

  2. One FADH2 and two NADH are produced for each acetyl-CoA.

  3. The free fatty acid must be carboxylated in the B position by a biotin-dependent reaction before the process of B oxidation commences.

  4. The free fatty acid must be converted to a thioester before the process of B oxidation commences.

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TLS Online TPP Program

#Question id: 3463

#Unit 11. Evolution and Behavior

Which one of the following statements is INCORRECT?
TLS Online TPP Program

#Question id: 4716

#Unit 11. Evolution and Behavior

Which of the following is correct match?

A

Wallace

I

Changes in allele frequency due

to random genetic drift

B

Sewall Wright

II

Evolution by natural selection

C

Carl Woese

III

hybrid sterility

D

Haldane’s rule

IV

DNA sequencing led to molecular phylogenetics

TLS Online TPP Program

#Question id: 3508

#Unit 11. Evolution and Behavior

In these cases, females would indirect benefit by choosing the male that having which of following attribute 

a. can provide the best care

b. provide no care, but maintain territories

c. Large males, have probably been successful at living long, acquiring a lot of food and resisting parasites and disease

d. The long tail of the peacock
TLS Online TPP Program

#Question id: 3507

#Unit 11. Evolution and Behavior

Rank the following from most general to most specific:

A. gametic isolation

B. reproductive isolating mechanism

C. pollen-stigma incompatibility

D. prezygotic isolating mechanism
TLS Online TPP Program

#Question id: 3506

#Unit 11. Evolution and Behavior

An altruist provides help worth 9 units of fitness to a recipient, at a personal cost of 2 unit of fitness. As per kin-selection theory, the minimum value of genetic relatedness between the actors and the recipients that is necessary to maintain altruism in the population is
TLS Online TPP Program

#Question id: 3505

#Unit 11. Evolution and Behavior

Patterns of relatedness are different in hymenopterans, which are haplodiploid. Which of the following value of relatedness R1, R2, R3 and R4 respectively in figure?