What molecule forms the cell membrane?

a. proteins

b. carbohydrates

c. nucleic acids

d. phospholipids

Which of the following is the largest particle in soil? A-clay B-sand C-silt D-humus

If DNA of a particular species was analyzed and it was found that it contains 24% C, what would be the percentage of T?

What type of muscles cannot be controlled consciously? Arm muscles Involuntary muscles Leg muscles Voluntary muscles

Fungus-like protists are autotrophs that absorb nutrients from dead or decaying organic matter.

Water is a chemical compound that is made of hydrogen and oxygen atoms bonded together. Water makes up from 50 to 90 percent of a living organism. The remaining mass of the organism consists of a variety of carbon-containing compounds.

What part of the female duct system is the usual site of fertilization of the ovulated oocyte?

In healthy, spontaneously breathing patients, an occasional increase in tidal volume to three or four times the normal level, which normally occurs about six to ten times each hour, is the definition of a:

The nurse has just completed client education relative to chronic adrenocortical insufficiency and corticosteroid medication treatment. What statement indicates the client requires further instruction?

The prevailing weather conditions in any given area are called the

Which electrons have the most energy in an atom? electrons in the innermost electron shell electrons in the outermost electron shell electrons in the nucleus electrons in an electron cloud