Denser materials have more tightly packed particles so the vibrations of the particles are transmitted faster, thus sound moves faster through denser materials

True or False?

Secondary succession would most likely be taking place in a (n) A) abandoned field. B) exposed rock after a glacier melts. C) area of cooling lava. D) climax community.

The subunits of contain a base, a five-carbon sugar, and a phosphate group. The subunits of are amino acids. Some of the subunits of must come from food. DNA and RNA are.

What hormone does the adrenal gland produce?

if there is a constant change in environmental conditions in a particular ecosystem, would it be better to reproduce sexually or asexually? Explain your answer.

In plants, a group of cells function together form an epidermis, an outer layer. the epidermis of plants form which of the following. A: organism B: organ C: organ system or D: tissue

As you examine a soil sample under your microscope, you note the presence of tiny, worm-like organisms. You immediately suspect that these creatures are nematodes.

A proton gradient across the mitochondrial inner membrane is a requisite for the synthesis of ATP. What contributes to the creation of this proton gradient?

Peter has been seeing a counselor for problems in his sexual life. Peter's counselor referred him to an urologist to treat his problem.

What scientists developed laws of inheritance before DNA and genes were discovered?

Statement best describes how antibiotics affect cellular homeostasis? antibiotics remove chloroplast from plant cells to cause starvation antibiotics increase the rate of DNA replication human cells by forming nucleotides antibiotics and interfere