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TLS Online TPP Program

#Question id: 2136

When a bacterium such as E. coli is shifted from a warmer growth temperature to a cooler growth temperature, it compensates by:

#XL - T Zoology

  1. increasing its metabolic rate to generate more heat.

  2. putting longer-chain fatty acids into its membranes.

  3. putting more unsaturated fatty acids into its membranes.

  4. shifting from aerobic to anaerobic metabolism.

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TLS Online TPP Program

#Question id: 2125

#XL - S Microbiology

The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.
TLS Online TPP Program

#Question id: 11265

#XL - R Botany

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?
TLS Online TPP Program

#Question id: 1752

#XL - Q Biochemistry

Dendritic cells can be driven from a resting state to an activated state by the T-cell surface molecule:
TLS Online TPP Program

#Question id: 5597

#XL - T Zoology

Mammalian sperm will migrate against the direction of the flow—using CatSper calcium channels (like sea urchin sperm) to sense calcium influx and monitor the direction of the current, this process is known as:
TLS Online TPP Program

#Question id: 2120

#XL - S Microbiology

Which one of the following statements about membranes is true?