TLS Online TPP Program

#Question id: 1993


When antibodies attack antigens, clumping of the affected cells generally occurs. This is best explained by

#Unit 4. Cell Communication and Cell Signaling
  1. the shape of the antibody with at least two binding regions.

  2. disulfide bridges between the antigens.

  3. complement that makes the affected cells sticky.

  4. bonds between class I and class II MHC molecules.

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TLS Online TPP Program

#Question id: 3475

#Unit 11. Evolution and Behavior

Which of the following condition is not favour polygyny?

TLS Online TPP Program

#Question id: 3476

#Unit 11. Evolution and Behavior

The genetic relatedness (r) of an individual to brother is 0.50, according to Hamilton’s Rule, only if the fitness benefit is

TLS Online TPP Program

#Question id: 3477

#Unit 11. Evolution and Behavior

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 3478

#Unit 11. Evolution and Behavior

Natural selection may favour the evolution of foraging behaviours by predator that

TLS Online TPP Program

#Question id: 3479

#Unit 11. Evolution and Behavior

Which of the following could be classified as habituation?

A) You enter a room and hear a fan motor. After a period of time, you are no longer aware of the motorʹs noise.

B) You hear a horn while driving your car. You step on the brakes but notice the sound came from a side street. You resume your previous speed.

C) One morning you awake to a beep-beep-beep from a garbage truck working on a new early morning schedule. The next week the garbage truck arrives at the same time and makes the same noise, but does not wake you up.

TLS Online TPP Program

#Question id: 3480

#Unit 11. Evolution and Behavior

Which of the following statements about learning and behavior is correct?

A) Operant conditioning involves associating a behavior with a reward or punishment.

B) Associative learning involves linking one stimulus with another.

C) Behavior can be modified by learning, but some apparent learning is due to maturation.

D) Imprinting is a learned behavior with an innate component acquired during a sensitive period.