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TLS Online TPP Program

#Question id: 26900

Tundra is___

#Environmental Science
  1. found at high latitudes
  2. youngest of all biomes
  3.  an area that lack of light mean that rates of photosynthesis and productivity are low
  4.  All are correct
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TLS Online TPP Program

#Question id: 40081

#Applied Microbiology

Consider the following statements regarding cell membrane:
I. The cell membrane is selectively permeable.
II. Membrane proteins are responsible for transport of polar molecules.

Choose the correct option:
TLS Online TPP Program

#Question id: 40082

#Applied Microbiology

Consider the following statements about photosynthesis:

I. Oxygenic photosynthesis uses water as an electron donor.
II. Anoxygenic photosynthesis produces molecular oxygen.
TLS Online TPP Program

#Question id: 40083

#Applied Microbiology

Consider the following statements related to respiration:

I. Anaerobic respiration uses electron acceptors other than oxygen.
II. Fermentation involves electron transport chain.
TLS Online TPP Program

#Question id: 40084

#Applied Microbiology

Assertion (A): Halophilic microorganisms survive in high-salt environments.

Reason (R): They accumulate compatible solutes to maintain osmotic balance.
TLS Online TPP Program

#Question id: 40085

#Applied Microbiology

Which vector is best suited for cloning very large DNA fragments (>100 kb)?
TLS Online TPP Program

#Question id: 40086

#Applied Microbiology

YACs are maintained in host cells as: