Which of the followings are true of human genomic libraries? (Two correct answers).

A. They contain DNA copies of the mRNAs present in a particular cell or tissue.

B. They contain the equivalent of the entire human genome, cloned into a vector.

C. The use of the enzyme reverse transcriptase is crucial in their construction.

D. They are likely to contain sequences derived from introns.

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.