Practice Questions

TLS Online TPP Program

#Question id: 4140

Which of the following statements about bacterial mRNA is true?

#Unit 3. Fundamental Processes

A ribosome usually initiates translation near the end of the mRNA that is synthesized last.
An mRNA is never degraded but is passed on to the daughter cells at cell division.
During polypeptide synthesis, ribosomes move along the mRNA in the direction 5'  3'.
Ribosomes cannot initiate internally in a polycistronic transcript.

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TLS Online TPP Program

#Question id: 3892

#Unit 3. Fundamental Processes

The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:

TLS Online TPP Program

#Question id: 16489

#Unit 12. Applied Biology

The beginning of animal tissue culture can be traced when Arnold showed that

TLS Online TPP Program

#Question id: 15772

#Unit 5. Developmental Biology

A stem cell capable of producing all the cell types of a lineage is said to be

TLS Online TPP Program

#Question id: 4917

#Unit 8. Inheritance Biology

Cytoplasmic male sterility in maize is manifestation of interaction between

TLS Online TPP Program

#Question id: 12049

#Unit 7. System Physiology – Animal

Which of the following hormones is released by the presence of fat and protein in the small intestine and has a major effect to decrease gastric emptying?