QuestionAuthority QuestionAuthority

02-11-2018
Biology

contestada

____ is among the few simple molecules that can cross the cell membrane by diffusion

A)Water
B)Carbon Dioxide
C)Oxygen
D)All of the above

Respuesta :

Moooooooka Moooooooka

02-11-2018

I'd say carbon cause it has 4 valence electrons

Answer Link

hendelalem69 hendelalem69

02-11-2018

B is the the correct answer

Answer Link

Otras preguntas

Helium is most likely to behave as an ideal gas when it is under(1) high pressure and high temperature(2) high pressure and low temperature(3) low pressure and

The lengths of consecutive sides of a rectangle are represented by 2x + 1 and 3x + 2 . Express the area of the rectangle in terms of x.

Why might a telescope be built high in the mountains above weather sys tems. How does this make observing the sky easier?

A balanced equation representing a chemical reaction can be written using (1) chemical formulas and mass numbers (2) chemical formulas and coefficients (3) firs

According to one acid-base theory, water acts as an acid when an H2O molecule (1) accepts an H+ (3) accepts an H- (2) donates an H+ (4) donates an H-

what is the name of the symbol that shows directions on a map

what is the name of the process where animal cells break down sugar?

The slope of a line parallel to the graph of 4x-5y=12

What unit is used to express the pressure of a gas?(1) mole (2) joule (3) kelvin (4) pascal

When 50. milliliters of an HNO3 solution is exactly neutralized by 150 milliliters of a 0.50 M solution of KOH, what is the concentration of HNO3? (1) 1.0 M (3)