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TLS Online TPP Program

#Question id: 34341

Which of the following are true characteristics of microbial death?

#XL - S Microbiology
  1. It occurs exponentially over time under constant conditions.
  2. Dead microorganisms can still reproduce under favorable conditions.
  3. Microbial death means complete metabolic inactivity.
  4. It is defined as the irreversible loss of reproductive ability.
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TLS Online TPP Program

#Question id: 3860

#XL - Q Biochemistry

Guide RNAs:
TLS Online TPP Program

#Question id: 3861

#XL - Q Biochemistry

_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.
TLS Online TPP Program

#Question id: 3862

#XL - Q Biochemistry

The largest gene characterized to date is:
TLS Online TPP Program

#Question id: 3863

#XL - Q Biochemistry

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 3868

#XL - Q Biochemistry

The sigma factor of E. coli RNA polymerase: 
TLS Online TPP Program

#Question id: 3879

#XL - Q Biochemistry

Which of the following is not usually essential for the catalytic activity of ribozymes?