chapter 5 bio
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
