What happens when an atom loses an electron from its outermost shell?

A. It becomes a positive ion.

B. It becomes an isotope.

C. It bonds with another atom.

D. It becomes a negative ion.

What is the universe best classified as

The goal of a statement of purpose is: A. To demonstrate that a hypothesis is wrong. B. To indicate what is expected to be accomplished in doing an experiment. C. To list the materials needed for an experiment. D.

Genetic outcome of daughter cells created during mitosisto

What effect does insulin have on blood glucose concentration? It increases the concentration of glucose. It increases the concentration of glucagon. It decreases the concentration of glucose.

A genetic trait might be caused by incomplete dominance if: A. a black, white, and gray mouse produces only white offspring. B. a white mouse and a black mouse produce only black offspring, C. two gray mice produce black, white, and gray offspring.

What would the result be if a drug that blocks the action of rna polymerase was introduced into a virus-infected organism?

Which of the following changes to the local hydrologic cycle will result if large areas of land experienced clear-cutting? Transpiration of water from vegetation will increase. Evaporation of water from the soil will increase.

During mitosis, sister chromatids are pulled apart by?

In order for an organism to become a fossil, it must be:

The equation below describes a reactions between an acid and a base. What kind of a substance is KCI?