What is a purpose of a buffer in the body?

A) to prevent capillary action

B) to prevent sudden changes in pH

C) to prevent sudden changes in temperature

D) to prevent the formation of surface tension

What is the best description of a macromolecule

In a hypothetical population of sawflies, 20 percent of the population is homozygous for allele A and 45 percent is homozygous for allele a. Assuming that A and a are the only alleles at this locus, what percent of the population is heterozygous?

How do scientists come up with hypotheses?

Recently a new disease-causing bacterial strain was found in the intestines of people with terrible illness. The bacteria bind to cadherin and disrupt the actin cytoskeleton locally by disrupting which intracellular molecule? g

What 3 things proved evidence that evolution has occurred?

Which of these best describes extinction events? answers are A) Extinctions are entirely caused by human interactions and disruptions to ecosystems. B) Extinctions are entirely avoidable if species are monitored and placed on an endangered list.

How are the rings of the gas giants theorized to have formed

Here, B represents the allele for black hair and b represents the allele for white hair. If both the rabbits crossed had genotype Bb, what will be the phenotypic ratio for the observable monohybrid crosses (complete dominance) ?

Qualities of a stone that make it a gemstone. A. usefulness, profitability B. lightness, durability C. ilmenite, rutile D. automobiles, aircraft E. beauty, rarity

Which organisms feed on the remains of dead plants and animals?