TLS Online TPP Program

#Question id: 522


Yeast will normally convert pyruvate to ethanol. Why is this better for the yeast than a conversion to lactate?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Conversion to ethanol releases more NAD+ per mole than the conversion to lactate.

  2. The carbon atoms are more oxidized in ethanol than in lactate.

  3. Ethanol is neutral, but lactate production is accompanied by a sharp decrease in pH.

  4. Ethanol production is not better. Yeast normally produces ethanol and lactate in equilmolar amounts.

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TLS Online TPP Program

#Question id: 3481

#Unit 11. Evolution and Behavior

Classical conditioning and operant conditioning differ in that

A) classical conditioning takes longer.

B) operant conditioning usually involves more intelligence.

C) operant conditioning involves consequences for the animalʹs behavior.

D) classical conditioning is restricted to mammals and birds.

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.

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: 3478

#Unit 11. Evolution and Behavior

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

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: 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