Why can oxygen diffuse across a cell membrane but a protein cannot?

A) proteins are too large.

B) oxygen is polar.

C) oxygen is a gas.

D) proteins absorb oxygen

How did sir francis believe the basic laws of science should be determined

Juan eats a meal full of sugar and starches. in response, his pancreas releases insulin into the bloodstream which stimulates his cells to draw more glucose from his blood.

What does a jet stream determine?

What physiological process explains the principle of segregation? a. mitosis b. meiosis c. dominant traits d. protein synthesis

What significance were the finches on the Galapagos Islands to Darwin's theory?

Bacteria and fungi are important decomposers. however, which decomposition function is almost entirely the work of fungi?

What is the second step of the scientific method

A structure on a cell that binds with something, like a hormone is called a (n) A. catalyst B. protein C. receptor D. axon

Which statement is true? A. Lipids are a type of fat. B. Fats are a type of lipid. C. Fats and lipids are separate and unrelated substances. D. All lipids are fats, and all fats are lipids.

What is the difference between a car and a human being?