What is apoptosis?

a. a metabolic step in blood clotting

b. a type of membrane receptor

c. a way to stimulate transcription

d. controlled cell suicide

e. a type of second messenger?

The fossil record shows that the average size of black bears was large during cold glacial periods and got smaller during warmer time periods.

What does the body do during the exhaustion phase of the GAS model? It prepares to fight danger or run from it. It identifies the primary source of danger. It stabilizes all physiological responses. It experiences extra wear and tear from fatigue

Characteristics of mitosis?

High concentrations of toxic heavy metals in estuaries are most likely found in the select one: a. water of the estuary b. air above the estuary c. estuary sediments d. water of the adjacent ocean e. air above adjacent land

How does the human brain work and which part of the brain does not work at all?

Which macromolecule includes steroids? a. lipids b. proteins c. carbohydrates d. nucleic acids?

The diploid cell created by the joining of conifer sex cells produces a (n): a. Zygote c. Bryophyte b. Megaspore d. Angiosperm

Which is a leading theory for the formation of fossil fuels?

Allele segregation and gamete formation one character in peas that mendel studied was yellow versus green seeds.

A 14 month old child returns from surgery for an undescended testicle. when planning for the child's discharge, the nurse should remind the parents to observe their child for