Practice Questions

TLS Online TPP Program

#Question id: 3883

Which of the following is correct about reverse transcriptase:

#Unit 3. Fundamental Processes

can utilize only RNA templates.
has a 3' -> 5' proofreading exonuclease but not a 5' -> 3' exonuclease.
is activated by AZT.
synthesizes DNA with the same fidelity as a typical DNA polymerase.

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TLS Online TPP Program

#Question id: 10543

#Unit 6. System Physiology – Plant

Effectors are molecules that change the plant’s structure, metabolism, or hormonal regulation to the advantage of the pathogen, which of the following is effector molecules?

TLS Online TPP Program

#Question id: 11953

#Unit 7. System Physiology – Animal

Which of the following is a difference between vitamins and minerals?

TLS Online TPP Program

#Question id: 5542

#Unit 5. Developmental Biology

One stage of cleavage is the morula stage which is:

TLS Online TPP Program

#Question id: 5530

#Unit 5. Developmental Biology

The cavity inside the blastula is called the

TLS Online TPP Program

#Question id: 11091

#Unit 7. System Physiology – Animal

A diver is breathing 10% O2 at a pressure of 2000 mm Hg. The diver’s body temperature is 37°C, and PCO2 = 32 mm Hg. What is the alveolar PO2?