During DNA replication, what is the first process to occur?

a:zipping up of the DNA strand for copying

b:synthesis of the leading strand

c:synthesis of the lagging strand

d:unwinding of the parental DNA by helicase enzyme

What is the source of the carbon in the sugars made by plants?

A Native American saying states that, "We do not inherit the land we live on from our grandparents, we borrow it from our grandchildren.

How does the domain Eukarya differ from the other two domains? A) All organisms in the domain are heterotrophic. B) All organisms in the domain are multicellular. C) All organisms in the domain have eukaryotic cells.

How could a doctor tell that the pancreas is the organ that is damaged?

A chemical substance that interferes with the development of bacterial organisms is

Which structures could most likely be observed in cells in the low-power field of a compound light microscope?

If severe brain loss occurs before age 60, then it is usually due to drug abuse, poor circulation, viruses, and genes, not the result of normal aging. Thus, this is disease connected or: Deductive Vocational Metabolic Pathological

When enzyme action stops due to a build up of end product, this control is called ... ?

A pharmaceutical company is promoting a new estrogen skin patch for birth control. They say it is better because a woman only wears the patch for one week and then wears no patch for three weeks. Explain the logic behind this proposal.

Select the correct statement about nephrons. A. Podocytes are the branching epithelial cells that line the tubules of the nephron. B. Filtration slits are the pores that give fenestrated capillaries their name. C.