Most flight test programs are done in california due to the state's good weather.

The outer, furrowed mantle of the brain is called the

How do you think diffusion and cellular respiration are related?

Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.

What are the two functions of the cell membrane

Could life as we know it exist if the air on earth only contained oxygen?

Lymphocytes that are clones of activated B cells or T cells that enhance resistance to future infection are called: a. memory cells. b. clones cells. c. enhanced cells. d. recall cells.

A group of scientists are studying the internal parts of a cell. Which microscope is most appropriate for these scientists to use?

Which characteristic do all protists have? A They all make or consume food. B They all survive in any environment. C They are all unicellular. D They all have flagella.

The Greatest salt lake in Utah has a saline content that can be up to ten times greater than the ocean. It is fed by three freshwater tributaries. What causes it to have such a high concentration of salt A.

What do the two types of fermentation differ