An area of a polypeptide that bends in a particular way, relatively independent of the rest of the molecule, is a folding:

A) segment
B) domain
C) lariat
D) exon
E) region


Ans: B) domain

Biology & Microbiology

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Histone variants:

A. have been identified for H2B and H4 but not for H2A and H3. B. differ in their C-terminal sequences but not in their N-terminal sequences. C. that have been identified are associated with transcriptional activation only. D. have variant patterns of modifications as a result of the structural differences in their terminal sequences. E. have been found to affect all cellular processes that involve DNA except DNA repair.

Biology & Microbiology

Earth's larges phosphorus reservoir is _____

a. the atmosphere c. sediments and rocks b. bird droppings d. living organisms

Biology & Microbiology

Microbiome sequencing requires the construction of a genomic library, while whole-genome shotgun sequencing does not. 

Answer the following statement true (T) or false (F)

Biology & Microbiology

How does chemotherapy work as a treatment for cancer? Why is it not always effective?

What will be an ideal response?

Biology & Microbiology