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Unit 3 & 4 Review
Unit 3 & 4 Review
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Organic Molecules, Enzymes, Photosynthesis and Cellular Respiration
Flashcards
91 cards
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Practice quiz
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Host live
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Questions
91
Answers
1
Unlike photosynthesis, cellular respiration occurs in
animal cells only
prokaryotic cells only
plant cells only
all eukaryotic cells
2
What are the reactants of cellular respiration?
ATP
H2O and CO2
Glucose and O2
3
Where does the process of glycolysis take place in cells?
Nucleus
Cytoplasm
Chloroplast
Mitochondria
4
What organelle carries out translation?
Ribosome
Nucleus
Cytoplasm
Amino Acids
5
What process do all living things use to start the breakdown of sugar?
Glycolysis
Cellular Respiration
Fermentaion
Krebs Cycle
6
found in hair, hooves, and nails
P
C
N.A
L
7
What kind of fermentation is performed by your muscle cells?
Krebs
Alcoholic
Lactic Acid
Aerobic
8
The term "saturated" when describing lipid molecueles refers to what type of atom
C
H
P
N
9
Where does transcription take place?
Ribosome
Nucleus
Cytoplasm
Enzyme
10
What process is being shown in the image?
Amino acids
Translation
Replication
Transcription
11
Enzymes are lipids that act as biological catalysts.
false
true
12
What does a codon "code for"?
tRNA
An amino acid
A Protein
mRNA
13
What kind of fermentation produces ethanol (could act as a disinfectant) as the major product?
Krebs
Alcoholic
Aerobic
Lactic Acid
14
These two molecules store energy
Protein and Carbohydrate
Carbohydrate and Lipid
Nucleic Acid and Protein
Protein and Lipids
15
Which of the following Amino Acids correspond with the start codon AUG?
Valine
Isolucine
Glycine
Methionine
16
stores information in the form of a code
Proteins
Carbohydrates
Lipids
Nucleic Acids
17
Which type of RNA carries the genetic code from the nucleus to a ribosome?
protein
tRNA
rRNA
mRNA
18
Which type of RNA contains codons?
tRNA
pRNA
mRNA
rRNA
19
How many ATP can be made from Glycolysis?
4
1
2
3
20
Any error to the DNA sequence is called a
Mutation
Transcription
Translation
Replication
21
What do you call conditions without oxygen present?
Autotrophic
Anaerobic
Aerobic
Heterotrophic
22
How many turns of the Krebs cycle will be done to metabolize 1 glucose molecule?
3
1
4
2
23
What does letter A represent?
active site
substrate
enzyme
24
An enzyme speeds up a reaction by ...
releasing energy
absorbing energy
lowering the activation energy
raising the activation energy
25
All of the following are correct about Carbon, except:
Can form both small and large compunds
can form chains of almost unlimited length
Can bond only with other Carbons
Can form single, double and triple bonds
26
Which of the following is not made during glycolysis?
2 CO2
Pyruvic Acid
2 ATP
Pyruvate
27
The energy that is needed to get a chemical reaction started is called ...
exothermic energy
activation energy
endothermic energy
activation catalyst
28
What is the red structure in the image?
tRNA
rRNA
mRNA
Ribosome
29
Which of the following is the correct sequence of events in cellular respiration?
glycolysis -> fermentation -> Krebs cycle
glycolysis -> krebs cycle -> electron transport chain
krebs cycle -> electron transport chain -> glycolysis
krebs cycle -> glycolysis -> electron transport chain
30
Long term energy storage
Carbs
Lipids
Proteins
N.A
31
Alcoholic fermentation occurs in
bread dough
mitochondria
muscle cells
yogurt
32
DNA is an example of
Nucleic Acid
Carb
Protein
Lipids
33
Each enzyme works best at a certain ionic condition, temperature, and ...
concentration
active site
pH value
activation energy
34
During fermentation,
glucose is split into 3 pyruvic acid molecules
carbon dioxide is produced
NAD+ is regenerated, allowing glycolysis to continue
oxygen is required
35
Photosynthesis is to chloroplasts, as cellular respiration is to:
chloroplasts
nucleus
mitochondria
cytoplasm
36
Tuna and other seafood is high in this biomolecule
Protein
Carbohydrate
Lipid
Nucleic Acid
37
Regulators of enzymatic reactions are classified as ...
inhibitors and activators
activators and enders
converters and activators
inhibitors and converters
38
What is your most favorite science ever??
Biology
Biology
Biology
Biology
39
What do you call conditions with oxygen present?
Aerobic
Heterotrophic
Anaerobic
Autotrophic
40
These two contain Nitrogen
N.A and C
P and N.A
L and P
C and L
41
How many children does Mrs. Pruden have?
3
2
4
1
42
What molecule is produced during translation?
Protein
Amino acids
mRNA
rRNA
43
What does letter B represent?
substrate
active site
enzyme
44
Myosin is an example of
Protein
Nucleic Acid
Lipid
Carb
45
What are the products of cellular respiration?
H2O and CO2 and ATP
Glucose and O2
Ethanol and CO2
Lactic Acid
46
What happens in cells after glycolysis occurs under anaerobic conditions?
Calvin Cycle
Krebs Cycle
Fermentation
Electron Transport
47
function includes insulation
P
L
N.A
C
48
These help to carry out chemical reactions (enzymes)
Lipids
Proteins
Carbs
N.A
49
How many ATP can be made in total during aerobic cellular respiration?
40
30
36
26
50
What is the purpose of enzymes?
regulate the size of a cell
speed up chemical reactions in a cell
slow down chemical reactions in a cell
regulate the shape of a cell
51
Which molecule is pictured?
mRNA
Ribosome
rRNA
tRNA
52
Monomer = amino acids
Lipids
N.A.
Proteins
Carbohydrates
53
Which of these make RNA different from DNA?
Uracil
Single-stranded
Ribose
All of these
54
Non-polar molecule
P
N.A
L
C
55
Translation occurs after transcription
True
False
56
bone and muscle formation
Protein
Lipids
N.A
Carbs
57
helps transport oxygen in blood - hemoglobin
Nucleic Acid
Lipids
Carbohydrates
Proteins
58
What molecules serves as the basis for the genetic code?
RNA
DNA
rRNA
tRNA
59
Serves as structural support in plant cells
N.A.
Lipids
Carbs
Proteins
60
All organic compounds contain
Hydrogen
Nitrogen
Carbon
Oxygen
61
This is the monomer of
Proteins
Lipids
Carbohydrates
Nucleic Acids
62
When does the cell make most of the ATP created during cellular respiration?
Glycolysis
Fermentation
Krebs Cycle
Electron Transport Chain
63
How many amino acids does tRNA carry?
3
1
2
4
64
How many children does Mrs. Wilson have?
4
2
3
1
65
Enzymes are ...
proteins
nucleic acids
carbohydrates
lipids
66
quick energy for animals
Proteins
Lipids
Nucleic ACids
Carbohydrate
67
Which of the following would Mrs. Wilson never eat?
peanut butter
ice cream
cake
chocolate
68
This is a monomer of
Protein
Carb
Nucleic Acid
Lipid
69
Which type of RNA contains anticodons?
rRNA
pRNA
tRNA
mRNA
70
Where does the electron transport chain take place in cells?
Cytoplasm
stroma of chloroplast
cristae of mitochondria
matrix of mitochondria
71
How confident are you in your knowledge of enzymes?
I am confident and am ready for the assessment.
I am so confident that I could teach my peers about it.
Somewhat confident, but I should study to learn more.
Not confident, yet. I need to study more and ask for help.
72
What are the reactants of enzyme-catalyzed reactions?
subunits
substrates
products
active sites
73
In a chemical reaction, a reactant binds to an enzyme at a region known as the ...
substrate
catalyst
active site
product
74
These macromolecules can be found in the cell membrane
Proteins and Nucleic Acids.
Lipids and Proteins
Carbs and Lipids
Lipids and Nucleic Acids.
75
Which of the following is the universal start codon?
AUG
UAC
UUA
GCA
76
Transcribe the DNA Strand: ACTGGCTAA
TGACCGUUA
UCACCCGUAU
TCGTCAGCA
UGACCGAUU
77
What is made and used by cells to speed up the rate of reaction?
nucleic acids
ph regulators
catalysts
carbohydrates
78
made up of carbon, nitrogen, hydrogen, oxygen and phosphorus
N.A.
Carbohydrates
Proteins
Lipids
79
Which polymer's monomer is shown?
Proteins
Nucleic Acids
Lipids
Carbohydrates
80
What molecule makes mRNA?
DNA polymerase
RNA polymerase
Helicase
Polymerase
81
What is Mrs. Pruden's husband's name?
Ryan
Kenny
Jonathan
Davis
82
What type of carbohydrate is this?
Polysaccharide
Monosaccharide
Disaccharide
Trisaccharide
83
Which of the following conditions is LEAST likely to denature an enzyme?
extreme change in pH
high temperature
low temperature
84
Why is oxygen necessary for the ETC to continue?
Acts as an electron acceptor
Donates electrons to chain
85
Why do your cells do lactic acid fermentation instead of aerobic cellular respiration?
Run out of ATP
Run out of Glucose
Run out of Oxygen
Run out of Water
86
What other important energy (electron) carrying molecule is also made during the Krebs cycle?
NADH
O2
CO2
H2O
87
What molecule is produced in transcription?
mRNA
RNA
rRNA
tRNA
88
Where does the Krebs cycle take place?
cristae of mitochondria
matrix of mitochondria
cytoplasm
thylakoid of chloroplast
89
How many ATP can be made from Krebs Cycle?
4
3
1
2
90
Enzymes are very specific, generally catalyzing only one chemical reaction.
true
false
91
Where does translation take place?
Cytoplasm
Nucleus
