Practice Questions

TLS Online TPP Program

#Question id: 1116

What is a primary function of transcription factors?

#XL - Q Biochemistry

They regulate the synthesis of DNA in response to a signal.
They convert ATP into cAMP.
They control gene expression.
They regulate the release of calcium from the endoplasmic reticulum.

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TLS Online TPP Program

#Question id: 32935

#XL - S Microbiology

Which amino acids are present in the cell surface glycoproteins of Halobacterium to help maintain water balance in extreme saline environments?

TLS Online TPP Program

#Question id: 32936

#XL - S Microbiology

Decimal reduction time (D-value) is:

TLS Online TPP Program

#Question id: 32937

#XL - S Microbiology

A bacterial culture initially contains 1,000,000 (10⁶) CFU. After 6 minutes of heat treatment at 80°C, the bacterial count decreases to 1,000 (10³) CFU. Calculate the decimal reduction time (D-value) at 80°C.

TLS Online TPP Program

#Question id: 32938

#XL - S Microbiology

Match the following:

TLS Online TPP Program

#Question id: 32939

#XL - S Microbiology

Which of the following statements regarding microbial control is correct?

TLS Online TPP Program

#Question id: 32940

#XL - S Microbiology

Match the antimicrobial agents in group I with their category/mode of action in group II.