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Necessities Of Life
Test Description: Chapter 9.2
Instructions: Answer all questions to get your test result.
1) Plants, such as potato plants, store extra sugar as starch. What type of molecule is starch?
A
ATP
B
simple carbohydrate
C
enzyme
D
complex carbohydrate
2) To make food, what materials do plants need?
A
water and glucose
B
oxygen and glucose
C
water and carbon dioxide
D
oxygen and carbon dioxide
3) Which of the following make up molecules that speed up cell reactions?
A
nucleic acids
B
amino acids
C
lipids
D
carbohydrates
4) What type of organism gets nutrients from eating other organisms?
A
carbohydrate
B
consumer
C
lipid
D
producer
5) Organisms must have food because
A
organisms never make their own food
B
all the above
C
food supplies cells with oxygen
D
food is a source of energy
6) Organisms store energy in
A
nucleic acids
B
water
C
lipids
D
phospholipids
7) The molecule that contains all the information about how to make proteins is
A
carbohydrate
B
DNA
C
ATP
D
phospholipid
8) The subunits of nucleic acids are
A
sugars
B
amino acids
C
oils
D
nucleotides
9) The process that most cells use to get energy from food is
A
homeostasis
B
consuming
C
photosynthesis
D
cellular respiration
10) Membranes allow cells to maintain stable internal conditions in a changing external environment. The phospholipids can form this protective phospholipid bilayer because
A
the tails are attracted to water and the heads are not
B
the heads and tails are attracted to water
C
the tails are attracted to the heads of other phopholipids
D
the heads are attracted to water and the tails are not
*select an answer for all questions
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