Which of the following are the smallest cells?

A) human ovum

B) red blood cells

C) white blood cells

D) smooth muscle cell

Chemical reactions that release energy A) will never explode. B) will always explode. C) will not occur. D) often occur spontaneously.

Explain the importance of the water potential comcept in plant physiology

Melissa is interested in her family tree and how her family has changed over its many generations. Melissa probably more closely resembles A. her great-aunts and great-uncles than her parents. B. her great-grandparents than her parents. C.

1. Assuming that you expect five heads and five tails in ten tosses, how do the results of your tosses compare? How about the results of your partner's tosses? How close was each set of results to what was expected? 2.

If your body temperature gets too high, why is it dangerous? A. Reactions become too slow for cells to survive. B. Enzymes become denatured. C. Vasoconstriction can rupture blood vessels. D. It is not dangerous.

Which of the following statements is true? DNA testing can only be completed if evidence samples are very large. Polymerase chain reaction (PCR) testing can only be used on "fresh" DNA samples. Only identical twins have the exact same genome.

The bat and human are two very different species. Kevin is trying to explain to his family how similar humans and bats really are.

A chromosome has an inversion. Which describes a pericentric inversion? deletion of genes within the same chromosome arm switching of genes within the same chromosome arm switching of genes around the centromere deletion of genes around the

Which of the following is the correct definition of a learned behavior ... A. behaviors that are known innately via genetic information B. actions that humans know from the time that they are born C.

Why is the nuclear consider the command center of the cells