Life Science: Life's Structure and Function, Book A

Chapter 3: Cell Processes

Cell Processes

1.
You use a washing machine to get dirt off your clothes. The machine is like __________ in cells.
A)glucose
B)enzymes
C)proteins
D)carbon
2.
What stops the process of diffusion in cells?
A)vesicles
B)elements
C)equilibrium
D)respiration
3.
Organisms that cannot make their own food are called __________.
A)nucleic acids
B)biodegradables
C)consumers
D)mixtures
4.
Which of these is an example of passive transport?
A)ions
B)osmosis
C)RNA
D)endocytosis
5.
Which of these is an organic compound?
A)potassium chloride
B)water
C)calcium phosphate
D)lipids
6.
Some one-celled organisms take in food through __________.
A)endocytosis
B)enzymes
C)mitosis
D)lipids
7.
Which of these is a waste product of fermentation?
A)DNA
B)carbohydrates
C)lactic acid
D)water
8.
What is the transport and storage structure in a cell's cytoplasm?
A)inorganic compounds
B)vesicles
C)nucleus
D)cell membrane
9.
Metabolism is the total of all __________ in an organism.
A)ions
B)chemical reactions
C)organic compounds
D)fats
10.
At least 60 percent of a human's body weight consists of water. About how many pounds of water does a 140-pound person's body have?
A)48
B)140
C)84
D)840
11.
Which of these processes releases energy?
A)diffusion
B)fermentation
C)exocytosis
D)respiration
12.
Why are plants green?
A)They contain marrow.
B)They contain chlorophyll.
C)They contain eggs and sperm.
D)They contain milk.
13.
Where is most of your body's water located?
A)within body cells
B)outside body cells
C)around the heart
D)in the brain
14.
Which of these is an inorganic compound?
A)fats
B)sugars
C)hydrochloric acid
D)phospholipids
15.
Which of these is matter?
A)heat
B)rocks
C)sunlight
D)nuclear power
16.
When two or more substances mix evenly, they form a __________.
A)solution
B)producer
C)vesicle
D)chloroplast
17.
Which two elements make up most of your body?
A)calcium and silver
B)oxygen and carbon
C)chlorine and magnesium
D)sulfur and gold
18.
__________ allows some things to enter and leave cells, while keeping other things in the cell or keeping other things out of the cell.
A)Fermentation
B)Osmosis
C)A selectively permeable membrane
D)Metabolism
19.
Plants make food through __________.
A)atoms
B)nitrogen
C)osmosis
D)photosynthesis
20.
Which of these is a form of energy?
A)snails
B)heat
C)atoms
D)air
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