Question 20

Loops of bacterial DNA that scientists use to make recombined DNA are called plasmids.

True

False

Why are lipids important in our diet?

Introns and transposons can act as sites where recombinational crossovers occur. Transposons can also catalyze genetic rearrangements. Rearrangements occurring within these sequences very detrimental than those occurring elsewhere in the genome. A.

If you are familiar with balancing equations, balance the photosynthesis equation. Write the balanced equation below, and then check your work by clicking Balance.

The function of tight junctions in epithelial tissue is to increase the surface area; a. increase the strength and integrity of the tissue layer b. increase the solute uptake in the tissue c.

Information about the composition of the earth's interior has come from which of the following sources? A. fossils B. maps C. drilling D. meteorites

During which stage of sex cell formation does the number of chromosomes decrease from diploid (2n) to haploid (n) ? a. prophase 1 b. prophase 2 c anaphase 1 d. anaphase 2

What would most likely interest an environmental scientist

Do you believe you have a personal responsibility to protect the environment

What happens to the total charge of the compound after the ions bond together?

How many atoms lined up side by side would equal the thickness of a book page?