What is required to stop transcription in prokaryotes?
a. a stop codon
b. an enzyme
c. an RNA hairpin loop
d. a poly-A sequence
Answer: c. an RNA hairpin loop
Biology & Microbiology
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Each ________ fragment of an antibody molecule contains the variable regions of a heavy and light chain that folds into a groove for one epitope.
A. terminal B. variable C. Fc D. FAb E. hinge
Biology & Microbiology
In transcription, RNA polymerase binds to a __________ in the DNA near a gene, and then assembles
a strand of RNA. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The core of an intestinal microvillus is composed of a tight bundle of ________
Fill in the blank with correct word.
Biology & Microbiology
Vitamin D is a hormone produced in part by exposure to sunlight.
Answer the following statement true (T) or false (F)
Biology & Microbiology