A blood vessel one cell thick for absorption of nutrients and removal of wastes is

a. a vein.

b. an artery.

c. a capillary.

d. the pulmonary artery.

The atmosphere stores much more carbon dioxide than the oceans. True False

Which is required for the light-dependent reactions in photosynthesis to occur?

In the DNA chain the nitrogenous base adenine is combined with

What happens to blood pressure when blood volume increases?

In meiosis, one blank cell divides to make four blank cells

Sleep is a biological function, true or flase

If the central valley aquifer system is the largest basin-fill aquifer system in the united states why does California have an insufficient water supply

What is the most common type of skeleton

Whats a pure substance that cant be broken down into simpler substances by chemical or physical means

The relationship between a gene and a messenger RNA is as follows:a. mRNAs are made from genes. b. Genes are made from mRNAs. c. mRNAs make proteins which then code for genes. d. Messenger RNA is directly responsible for making Okazaki fragments. e.