Science Question Preview (ID: 34038)
Chapter 2 Review.
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Cholesterol is which type of macromolecule?
a) carbohydrate
b) lipid
c) nucleic acid
d) protein
Genetic information is stored in which macromolecule?
a) DNA
b) glucose
c) lipid
d) starch
Which best describes lipid vacuoles?
a) lipids
b) proteins
c) contained in mitochondria
d) storage compartments
Which is true of fermentation?
a) does not generate energy
b) does not require oxygen
c) occurs in mitochondria
d) produces lots of ATP
Which process eliminates substances from cells in vesicles?
a) endocytosis
b) exocytosis
c) osmosis
d) photosynthesis
Which process do plant cells use to capture and store energy from sunlight?
a) endocytosis
b) fermentation
c) glycolysis
d) photosynthesis
Which transport process requires the use of a cell's energy?
a) diffusion
b) osmosis
c) active transport
d) facilitated diffusion
Diffusion differs from active transport processes because it
a) forces large molecules from a cell
b) keeps a cell's boundary intact
c) moves substances in a cell
d) needs none of a cell's energy
Which explains why the ratio of cell surface area to volume affects the cell size? Cells with a high surface-to-volume ratio
a) consume energy efficiently
b) produce waste products slowly
c) suffer from diseases frequently
d) transport substances effectively
Which macromolecule is made from amino acids?
a) lipid
b) protein
c) carbohydrate
d) nucleic acid
Which organelle is used to store water?
a) chloroplast
b) lysosome
c) nucleus
d) vacuole
The process by which vesicles move substances out of a cell is _______
a) endocytosis
b) diffusion
c) exocytosis
d) osmosis
What is limited by a cell's surface-area-to-volume ratio?
a) cell shape
b) cell size
c) cell surface area
d) cell volume
A process used by plants to convert light energy into food energy is __________
a) chemostesis
b) diffusion
c) active transport
d) photosynthesis
Which contains pigments that absorb light energy?
a) chloroplast
b) mitochondrion
c) nucleus
d) vacuole
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