Practice Questions

TLS Online TPP Program

#Question id: 124

What is the role of cholesterol in animal cell membranes?

#XL - Q Biochemistry

Blocks the association of the fatty acyl chains of phospholipids at high temperature.
Aids in the transport of small hydrophobic molecules across the membrane.
Is a receptor site for hormones on the surface of membranes.
Broadens the temperature range of optimum membrane fluidity.

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TLS Online TPP Program

#Question id: 15678

#XL - S Microbiology

Alcohols are among the most widely used disinfectants and antiseptics. They act by

TLS Online TPP Program

#Question id: 15679

#XL - S Microbiology

Dry heat sterilization the items to be sterilized are placed in an oven at

TLS Online TPP Program

#Question id: 15680

#XL - S Microbiology

A common environmental organism that may even grow in certain chemical disinfectants is

TLS Online TPP Program

#Question id: 15681

#XL - S Microbiology

Moist heat kills microorganisms by

TLS Online TPP Program

#Question id: 15682

#XL - S Microbiology

Boiling is not reliable for sterilization because

TLS Online TPP Program

#Question id: 15683

#XL - S Microbiology

A common application of dry heat in the microbiology laboratory is to