Biology 101 - General Biology » Spring 2022 » Module 2 Quiz 1
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Question #1
Which of the following statements concerning cells of prokaryotes is correct?
A.
Endoplasmic reticulum is present in prokaryotes.
B.
Mitochondria are present in prokaryotes.
C.
DNA is present in prokaryotes.
D.
A nucleus is present in prokaryotes.
Question #2
Prokaryotes are classified as belonging to two different domains. What are the domains?
A.
Bacteria and Protista
B.
Bacteria and Eukarya
C.
Bacteria and Archaea
D.
Archaea and Protista
Question #3
Ribosomes are found on the surface of _____________.
A.
rough endoplasmic reticulum
B.
Golgi apparatus
C.
vacuoles
D.
lysosomes
Question #4
Which organelle often takes up much of the volume of a plant cell?
A.
lysosome
B.
mitochondrion
C.
vacuole
D.
peroxisome
Question #5
Which organelle modifies proteins that will be secreted?
A.
mitochondrion
B.
lysosome
C.
Golgi apparatus
D.
peroxisome
Question #6
Which plant cell organelle contains its own DNA and ribosomes?
A.
mitochondrion
B.
rough ER
C.
vacuole
D.
peroxisome
Question #7
Which organelle evolved through the process of endosymbiosis?
A.
nucleus
B.
chloroplast
C.
Golgi apparatus
D.
peroxisome
Question #8
Which cellular structure supports cilia and flagella?
A.
nuclear envelope
B.
membrane proteins
C.
ribosomes
D.
cytoskeleton
Question #9
What structure forms cytoplasmic channels from one cell to another cell?
A.
cellulose fibers
B.
desmosome
C.
tight junction
D.
gap junction
Question #10
A membrane transport protein __________________.
A.
is a peripheral membrane protein
B.
moves a specific type of molecule
C.
requires ATP
D.
works against a concentration gradient
Question #11
Human blood has a lower salt concentration than seawater. What will happen if red blood cells are transferred to seawater?
A.
Water will leave the cells, causing them to shrivel and collapse.
B.
Salt will passively diffuse into the red blood cells.
C.
The blood cells will take up water, swell, and eventually burst.
D.
Salt will be exported from the red blood cells by facilitated diffusion.
Question #12
Putting a red blood cell in a hypertonic solution will result in ________________________.
A.
the cell becoming turgid
B.
lysis of the cell
C.
plasmolysis of the cell
D.
the cell shriveling
Question #13
Which process requires ATP?
A.
movement of sodium ions against the concentration gradient
B.
facilitated diffusion
C.
movement of sodium ions down the concentration gradient
D.
movement of water into a cell through aquaporin proteins
Question #14
Which of the following processes includes all the others?
A.
transport of an ion down its electrochemical gradient
B.
diffusion of a solute across a membrane
C.
passive transport
D.
osmosis
Question #15
Which type of reaction tends to require an input of energy?
A.
hydrolysis
B.
dehydration
C.
spontaneous
D.
catabolic
Question #16
Exergonic reactions _________________.
A.
build polymers
B.
are nonspontaneous
C.
release energy
D.
require energy
Question #17
Catabolic reactions _____________________.
A.
synthesize larger molecules
B.
include dehydration reactions
C.
provide energy for cellular work
D.
consume energy
Question #18
An enzyme ______________________.
A.
binds many different substrates
B.
is denatured by the substrate
C.
is not used up in the reaction
D.
is not affected by temperature
Question #19
An enzyme catalyzes the reaction, X → Y. What is substance X?
A.
a substrate
B.
a product
C.
a coenzyme
D.
an inhibitor
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