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TLS Online TPP Program

#Question id: 3881

Which one of the following statements about mRNA stability is true?

#SCPH01 Biochemistry

  1. Degradation always proceeds in the 5' to 3' direction.

  2. Degradation of mRNA by polynucleotide phosphorylase yields 5'-nucleoside monophosphates.

  3. In general, bacterial mRNAs have longer half-lives than do eukaryotic mRNAs.

  4. Secondary structure in mRNA (hairpins, for example) slows the rate of degradation.

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TLS Online TPP Program

#Question id: 917

#SCPH05 I Biotechnology

The glycerol produced from the hydrolysis of triacylglycerides enters glycolysis as:
TLS Online TPP Program

#Question id: 8921

#SCPH05 I Biotechnology

Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna?
TLS Online TPP Program

#Question id: 1558

#SCPH01 Biochemistry

Work of follicular dendritic cells
TLS Online TPP Program

#Question id: 3626

#SCPH12 I Genetics

The major blood group locus in humans produces types A (genotypes AA or AO), B (genotypes BB or BO), AB (genotype AB), or O (genotype OO). Parents who are type AB and type O, what are the possible blood types of their offspring?
TLS Online TPP Program

#Question id: 1577

#SCPH01 Biochemistry

Binds C5bC6C7 and creates a small All pore in membrane