The molecule most directly involved in energy transfer within cells is
ATP
The diffusion of water across a selectively permeable membrane is called
osmosis
Which component of the following reaction is the enzyme?sucrose + sucrase + water → sucrase + glucose + fructose
remember most end in ase so Sucrase
Anything that prevents ATP formation will most likely
result in cell death
______ is to eating as ______ is to drinking
Phagocytosis . . . pinocytosis
Calories are units of
energy
an example of osmosis
the movement of a drink of water eventually into the cells lining the small intestine
A nursing infant is able to obtain disease-fighting antibodies, which are large protein molecules, from its mother's milk. These molecules probably enter the cells lining the baby's digestive tract via
endocytosis
A kilocalorie is equal to
1000 calories
A cell that neither gains nor loses water when it is immersed in a solution is
isotonic to its environment
The sum total of all the chemical reactions that occur in organisms is called
metabolism
In osmosis, water always moves toward the _____ solution, that is, toward the solution with the _____ solute concentration