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TLS Online TPP Program

#Question id: 1041

The lactobacilli, in their role as normal flora of the vagina, help the vagina resist infection by contributing to

#XL - T Zoology

  1. the neutrality of the vaginal mucus.

  2. acidity of the vagina.

  3. food for the resident vaginal flora.

  4. fertility of the host.

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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?