chapter 5 bio

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which of these processes can move a solute against it's concentration gradient

active transport

what could you do to level the solutions in the two sides of the right hand u-tube

add more solute to the left hand side

in a hypotonic solution, a plant cell will

become turgid

Diffusion is an example of ______.

passive transport

the act of a white blood cell engulfing a bacterium is

phagocytosis

_____ is to eating as ____ is to drinking

phagocytosis and pinocytosis

a rock on the top of a mountain contains ____ energy

potential

Ten kilocalories are equivalent to ______ calories.

10,000

What compound directly provides energy for cellular work?

ATP

The sum total of all the chemical reactions that occur in organisms is called ______.

Metabolism

The region of an enzyme to which a substrate binds is called the

active site

The principle that energy cannot be created or destroyed is known as

conservation of energy

Osmosis can be defined as

diffusion of water

Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment

is hypotonic to the protozoan

An enzyme's function is dependent on its ______.

shape

What is energy?

the capacity to do work


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