Necessities Of Life Question Preview (ID: 44301)


Chapter 9.2. TEACHERS: click here for quick copy question ID numbers.

Plants, such as potato plants, store extra sugar as starch. What type of molecule is starch?
a) enzyme
b) ATP
c) simple carbohydrate
d) complex carbohydrate

To make food, what materials do plants need?
a) oxygen and carbon dioxide
b) water and glucose
c) oxygen and glucose
d) water and carbon dioxide

Which of the following make up molecules that speed up cell reactions?
a) amino acids
b) lipids
c) nucleic acids
d) carbohydrates

What type of organism gets nutrients from eating other organisms?
a) producer
b) lipid
c) consumer
d) carbohydrate

Organisms must have food because
a) food is a source of energy
b) food supplies cells with oxygen
c) organisms never make their own food
d) all the above

Organisms store energy in
a) nucleic acids
b) lipids
c) phospholipids
d) water

The molecule that contains all the information about how to make proteins is
a) ATP
b) carbohydrate
c) DNA
d) phospholipid

The subunits of nucleic acids are
a) nucleotides
b) oils
c) sugars
d) amino acids

The process that most cells use to get energy from food is
a) photosynthesis
b) homeostasis
c) cellular respiration
d) consuming

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 tails are attracted to the heads of other phopholipids
c) the heads and tails are attracted to water
d) the heads are attracted to water and the tails are not

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