During which stage of a cell's cycle do the replicated chromosomes thicken and become visible?

The base composition of an RNA virus was analyzed and found to be 14.1% A, 14.0% U, 36.2% G, and 35.7% C. Would you conclude that the viral genetic material is single-stranded RNA or double-stranded RNA? 2.

Mark has a friend named Chloe. How different are Mark's and Chloe's DNA?

Name the type of microorganism which is described in the following passage: They are very small but they are not cells. They can only reproduce inside the cells of other organisms.

An experiment was designed to investigate the effect of caffeine on the rate of heartbeat of fruit flies. Two populations of fruit flies were grown in a lab. Both populations were raised drinking the same water and the same type of food.

What are the 3 basic functions of the nervous system?

Which statement is correct about the total mass of glucose and oxygen formed during photosynthesis? It is equal to the total mass of carbon dioxide used. It is less than the total mass of carbon dioxide used.

If George is startled by a loud noise immediately after his baby sister cries, he is likely to become fearful every time she cries.

When the believer confesses his, he is cleansed by the blood of?

How does a vascular plant's phloem differ from its xylem? A. Phloem is found only in the leaves. B. Only phloem transports water. c. Only water flows through phloem. D. Phloem has a two-way flow of materials,

Many mutations have been identified in the lac operon. A particular mutation prevents the repressor protein from binding to the operator under all circumstances.