Download Name: Date: 1. The is the source of most of the cellular energy. A

Name:
Date:
1. The ________________ is the source of most of the cellular energy.
A)
ribosome
B)
C)
mitochondrion D)
cytosol
lysosome
2. The _____ contain enzymes that are used to degrade foreign particles as well as cell structures.
A)
centrioles
B)
lysosomes
C)
peroxisomes
D)
mitochondria
3. The ____________ is the organelle that plays a complex function in cell reproduction.
A)
centriole
B)
centrosome
C)
chromosome
D)
lysosome
4. The process that results in daughter cells with half of the original chromosome number is _____.
A)
mitosis
B)
prophase
C)
meiosis
D)
karyokinesis
5. Chromosomes are aligned along the equatorial line during the _______ stage of division.
A)
prophase
B)
metaphase
C)
anaphase
D)
telophase
6. The _______________ stage occurs when two daughter cells have completely formed.
A)
interphase
B)
prophase
C)
metaphase
D)
telophase
7. Which feature is not a characteristic of the cell membrane?
A)
It is made up of a phospholipid monolayer.
B)
It can seal tiny breaks in itself.
C)
It is selectively permeable and can regulate passage of material through it.
D)
Many kinds of proteins are embedded in the membrane.
8. ____________ provide(s) both structural support and the enzymes needed to make proteins from
amino acid building blocks.
A)
peroxisomes
B)
Golgi apparatus
C)
ribosomes
D)
mitochondria
9. Choose the organelle that consists of microtubules and functions both in distributing chromosomes
during cell division and in forming portions of cilia and flagella.
A)
lysosome
B)
mitochondria
C)
vesicle
D)
centrosome
10. In what part of the nucleus does ribosome production occur?
A)
within nuclear pores
B)
in the chromatin
C)
in the area of the nucleolus
D)
Ribosome production does not occur in the nucleus.
11. In the liver, the _________ may play a role in producing the enzymes that help detoxify drugs.
A)
mitochondria
B)
rough endoplasmic reticulum
C)
smooth endoplasmic reticulum
D)
Golgi apparatus
12. A ribosome is an example of a _______________.
A)
nuclear membrane
B)
organelle
C)
inclusion
D)
protein
13. A cell membrane allows only needed substances to pass and is therefore called
____________________.
A)
permeable
B)
passive
C)
active
D)
selective
14. A human cell membrane is comprised of the following except which one?
A)
lipids
B)
proteins
C)
carbohydrates D)
nucleic acids
15. The _____________ functions to package molecules into vesicles that can be transported out of a
cell.
A)
ribosome
B)
nucleus
C)
Golgi apparatus
D)
centriole apparatus
16. The _____________ functions as a sac-like or tubular network of structures that provides transport.
A)
ribosome
B)
lysosome
C)
endoplasmic reticulum D)
centriole microtubules
17. How many net ATP molecules result from glycolysis?
A)
1
B)
2
C)
6
D)
38
18. The fundamental units found in DNA, RNA and ATP are _____.
A)
proteins
B)
nucleic acids
C)
nucleotides
D)
nitrogenous bases
19. The following belong together except which one?
A)
ribose B)
phosphate
C)
uracil
thymine
D)
20. The amino acids are transported to the place where they will be assembled into proteins by _____.
A)
mRNA B)
tRNA
C)
rRNA
proteins
D)
21. Enzymes function in chemical reactions to ____________________.
A)
lower the energy of activation needed to start the reaction
B)
act as substrate molecules
C)
prevent the development of metabolic pathways
D)
keep reactants from interacting
22. Most of the readily-available energy stored in ATP is stored during the ________________.
A)
decomposition of ATP to ADP
B)
phosphorylation of ADP to form ATP
C)
phosphorylation of AMP to ADP
D)
manufacture of adenosine
23. The first several steps of glycolysis are considered the energy-investment steps because
______________.
A)
energy within glucose is expended to start the pathway
B)
energy is stored in the form of ATP and expended later
C)
reactions
energy from ATP is transferred to intermediates along the pathway to drive the
D)
pathway
metabolic pathways can be interconnected, and glucose could enter more than one
24. The acetyl group is transported to the citric acid cycle (Krebs cycle) by what carrier?
A)
mitochondrial inner membrane
B)
FADH2
C)
coenzyme A
D)
oxaloacetic acid
25. What occurs during the citric acid cycle?
A)
Glucose is generated.
B)
Electrons are passed along cytochromes.
C)
Carbon dioxide and hydrogen atoms are released, and two molecules of ATP form.
D)
Oxaloacetic acid is regenerated from coenzyme A.
26. The chemical process of _____ is involved in the digestion of a compound such as a disaccharide.
A)
dehydration
B)
hydrolysis
C)
synthesis
D)
anabolism
27. The molecule that is acted upon by an enzyme is a__________.
A)
reactant
B)
product
C)
substrate
D)
catalyst
28. Which of the following factors will decrease the function of most enzyme?
A)
radiation
B)
C)
change in pH levels
heat
D)
all of the above
29. Respiration yields _____ as a gaseous waste product.
A)
hydrogen
B)
C)
carbon dioxide D)
water
oxygen
30. Name and describe the 3 phases of glycolysis.
31. The electron transport yields ___ATP______________and forms a_____water_______________
molecule.
32. What happens during aeorobic conditions and anaeorobic conditions at the end of glycolysis?
33. What is the difference between DNA and RNA?
34. Compare and contrast between facilitated diffusion and endocytosis.
35. Hydrolysis is a _____catabolic________________process and dehydration synthesis is a
____anabolic__________________process.
(10 pts) Draw the cell cycle and label each part of the cell cycle and describe in two or more sentences,
what occurs during each stage.