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1406 Unit 2 Flashcards | StudBud
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1406 Unit 2
1406 Unit 2
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1
Which of the following have highly folded membranes?
All of the above
Mitochondria
Smooth ER
Rough ER
2
Is Fermentation Aerobic or Anaerobic?
Anaerobic
Aerobic
3
What are the 2 factors that can affect an enzyme?
pH and salt
pH and fat
temperature and height
temperature and pH
4
What's the chemical process for alcoholic fermentation?
C6H2O8 → 2 C2H3OH + 6 CO
C6H12O6 → 2 C2H5OH + 2 CO
C6H2O6 → 2 C2H9OH + 3 CO
C5H19O2 → 2 C3H5OH + 2 CO
5
Anaerobic Respiration_______
food being broken down
Happens without oxygen
requires oxygen
sugar is produced
6
Which letter on the diagram represents the ENZYME:
X
Z
A
Y
7
Osmosis is?
When water molecules try to reach equilibrium
Creates energy
When thing try to get to one condensed area
8
What is this?
Mitochondria
Chloroplast
Paxton
Nucleus
9
Which type of cells comprise all multicellular organisms?
Eukaryotic
Prokaryotic
10
What solution was used as pH indicator in the respiration physical activity?
Phenol red
None of the above
Bromothymol blue
Methylene Blue
11
What is the job of a cell’s selectively permeable membrane?
To regulate energy production in the cell
To keep a constant lip-protein ratio in the cell
To control materials entering and leaving the cell
To keep mitochondria from using nuclear material
12
What cell does not have a nucleus?
prokaryotic
Animal
Eukaryota
13
What organelle is semipermeable?
chlorolasts
cell wall
cell membrane
ribosome
14
What product of alcoholic fermentation causes bread to rise?
carbon dioxide
oxygen
lactic acid
alcohol
15
Which describes the diffusion of water across a selectively permeable membrane?
Isotonic
Osmosis
Hypertonic
Hypotonic
16
What does the chloroplast do?
chloroplast make nutrients for the plant
chloroplast turns the suns energy into usable energy
none of the above
creates rainbows
17
What is the function of the Golgi Apperatus?
Regulates Material/Lipid bilayer
Converts Chemical Energy to ATP/Battery of Cell/Found in p a
Makes proteins for cells
Stores Proteins/Sends proteins to various locations
18
Which part is the Matrix?
A
B
None
19
Would you expect a cheek cell to have a cell wall?
YES
ALWAYS
SOMETIMES
NEVER
20
Define Centrioles?
Makes Ribosomes
synthesis of rRNA
Used during cellular replication
Transport
21
What is a solvent?
the substance being dissolved
the substance in which the solute is dissolved
22
What do plant cells have that other cells don't have?
Cell membrane
Cell wall composed of peptidoglycan
Cell wall composed of cellulose
Mitochondria
23
What is facilitated diffusion?
package and deliver proteins
the diffusion of water
the region inside the nucleus
uses proteins as passageways
24
During the onion cell lab, why weren't we able to see any chloroplasts?
They are there we just could not see them.
Onions bulbs are roots
Chloroplasts do not exist
Onions do not have chloroplasts
25
Is this corn undergoing cellular respiration?
no
yes
26
What is the simplest form of passive transport?
Filtration
Equilibrium
Osmosis
Diffusion
27
What is a cofactor?
A protein which alters the tertiary structure of an enzyme.
A secondary enzyme which assists the reaction.
An ion that creates a charge on an enzyme.
Components that are required for an enzyme to function.
28
Aerobic respiration
requires no oxygen
requires oxygen
29
What organelle is the arrow pointing to?
Mitochondria
Ribosome
Chloroplast
Golgi Body
30
The cell theory states that all living organisms are composed of one or more cells.
True
False
31
What are the factors that affect enzyme activity
Temperature
Type of substrate
All of the above
pH
32
What is cytoplasmic streaming?
Directed flow of cytoplasm
Directed flow of cytophagasis
Directed flow of ectoplasm
Directed flow of cyanobacteria
33
Browning in catechol oxidase is due to benzoquinone.
False
True
34
Into which cell A, B or C will diffusion occur the fastest?
C
B
D
A
35
What is the cell membrane made up of?
Carbohydrates
Nucleic Acid
Phospholipid Bilayers
Proteins
36
What bacteria shape is this?
Spirillum
Orange Julius
Coccus
Bacillus
37
Which of the following is TRUE?
enzymes can function in any temperature or pH
enzymes are "used up" by the reaction they catalyze
enzymes can catalyze any reaction
enzymes can only bind to one substrate or set of substrates
38
One of the differences between and animal cell and a plant cell is
Only a plant cell has a nucleus.
Only an animal cell has a cell membrane.
Animal cells have chloroplasts, plants cells do not.
A plant cell has a cell wall, an animal cell does not.
39
What is the function of ribosomes?
Eat protiens
Take protiens
Make lipids
Make protiens
40
What cyanobacteria is this?
Cyanolataena
Oscillatoria
Anabaena
none of the above
41
Mitochondrion have
Inner/Outer membrane
Matrix; Inner membrane; outer membrane
Inner/Outer membrane
Cristae; Matrix; Inner/Outer Membrane
42
Isotonic
solution of two pressure osmotic what
semipermeable membrane
a semipermeable osmotic pressure
refers to two solutions having the same osmotic pressure across a membrane
43
The cheek cell contains a cell wall.
False
True
44
What characteristic of the product, Benzoquinone, allows us to determine its concentration?
The darker brown the color the more Benzoquinone formed.
The lighter brown the color the more Benzoquinone formed.
45
What structures are unique to plant cells?
Ribosomes
Chloroplasts
Nucleii
Mitochondria
46
What is diffusion?
When molecules move from high to low concentration
When molecules sit back and don't move at all
When molecules move from low to high concentration
47
What is the cristae?
The structure in which the intima is folded into the matrix
A structure that on the endoplasmic reticulum
48
Where are cristae located?
Lysosomes
Endoplasmic Membrane
Mitochondria
Chloroplasts
49
Crenate means to
burn a body
blow your nose
shrivel or shrink
Blow up or burst
50
What shape are the bacteria in the image?
bacillus
spiralus
spirilum
coccus
51
Which test tube has had a enzymatic reaction?
B
A
52
What is number 1 pointing at?
the cell wall.
the cell membrane.
the nucleus.
the cytoplasm.
53
This plant cell would be described as
plasmolyzed
turgid
flaccid
lysed
54
Active transport is from _______________ concentration. This is ________ the gradient.
Low to high; against
High to low; with
55
Enzymes are biological catalysts in metabolic reactions.
True
False
56
Potatos exposed to air turn brown. What will happen if the enzyme catechol oxidase doesn't work?
potato doesn't turn brown
potato cooks faster
potato shrivels up
potato turns brown
57
Which of these test tubes shows the most CO
2
production?
B
A
58
When a plant cell is submerged in a very hypertonic solution, what is likely to occur?
The cell will become turgid.
The cell will burst.
Plasmolysis (contents will shrink to the interior).
The cell will become flaccid.
59
The rate of diffusion increases with
All of the above
Smaller concentration gradient
Larger particle size
Increasing temperature
60
What is the final product of Glycolysis?
4 ATP
2 Pyruvate
All of the above
2 NADH
61
What shape is Bacillus?
Spiral-Shaped
Rod-Shaped
Round-Shaped
62
What is the function the smooth endoplasmic reticulum:
provides structural support
is absent in most plant cells
synthesizes lipids
is required for ribosome synthesis and synthesizes proteins
63
What is tonicity?
Moves particles into a cell
Diffusion of water through a semipermeable membrane
It describes the amount of energy in a solution
It describes the amount of solute in a solution
64
What is the behavioral characteristic observed in Physarum polycephalum (slime mold)?
cytoplasmic streaming
cytoplasmic jumping
none of these
Bacterial streaming
65
Through diffusion, cells strive to be
hypotonic
water
hypertonic
isotonic
66
What is the reactant of alcoholic fermentation?
ATP
Glucose
Glucose and Oxygen
Carbon dioxide and water
67
Which of the numbers in this cheek cell is the nucleus?
1
None
3
2
68
What term does NOT fit the function of the cell membrane?
semipermeable
cellulose
gatekeeper
lipid bilayer
69
When an enzyme structure is altered enough to destroy its function, it is said to be denatured.
False
True
70
Germination is an aerobic process (requires oxygen).
True
false
71
Which test tube produced the most product?
B
A
D
C
72
The germinating seeds exhibited _______
anaerobic respiration
aerobic respiration
alcohol fermentation
lactic acid fermentation
73
Diffusion stops when?
Facilitated diffusion starts
Solute is completely dissolved
Osmosis occurs
Equilibrium is reached
74
What organelle is the arrow pointing at?
Cell membrane
Vacuole
Cell Wall
Nucleus
75
What does the mitochondrion do?
makes proteins
Produces energy by breaking down substances.
made of lipids
Produces energy in an unknown way.
76
What is the optimum temperature for this enzyme
40 degrees
30 degrees
20 degrees
50 degrees
77
Which of the following can occur without oxygen?
all of the above
glycolysis
electron transport chain
the krebs cycle
78
What organelle is the arrow pointing to?
Cell Wall
Smooth ER
Cell membrane
Rough ER
79
Eukaryotic cells are generally more complex than prokaryotes.
True
False
80
Red blood cells crenate in
A hypertonic solution
An isotonic solution
A hypotonic solution
81
Which of these is NOT a bacterial shape?
none of the above
coccus
bacillus
cuboidal
82
Phenol red, the pH indicator, turned from yellow to red when CO
2
was added.
True
False
83
An onion cell loses water if it is placed in a(n):
isotonic solution
hypotonic solution
hypertonic solution
none of these
84
Identify the shape
vibrio
bacillus
coccus
spirrila
85
What type of transport is Osmosis?
Diffusion
Osmosis
Passive Transport
Active Transport
86
What is the purpose of the mitochondrion?
To create chemical energy
Developement of the DNA
For the maintaining of homeostasis
To generate ADP
87
What organelle is the powerhouse of the cell?
Nucleus
Endoplasmic Reticulum
Golgi apparatus
Mitochondria
88
The part of cellular respiration that needs oxygen takes place inside the
mitochondria
cytoplasm
thylakoid
nucleus
89
What is a solute?
The liquid something is dissolved in
The solution
The thing that is dissolved (like sugar/salt)
None of the above
90
What is the function of a cofactor?
They slow down the rate of a reaction
Denature enzymes
Block a substrate from entering the activation site
Activate enzymes
91
What kind of indicator is used in the physical activity experiment?
Bromthylmol blue
Methyl red
Phenol blue
iodine
92
What plant organelle is responsible for storage of waste, nutrients, and water?
vacuole
chloroplast
cytoplasm
ribosomes
93
What organelle is circled?
Endoplasmic Reticulum
Cell Membrane
Lysosomes
Nucleus
94
The folds of the inner membrane of a mitochondrion
are the site of the citric acid cycle
are called the matrix
are called cristae
are the location where glucose is converted to pyruvate
95
The process that occurs in the matrix is
Glucose procuction
Kreb's cycle
Absorption of light
Calvin cycle
96
What factors affect an enzyme's reaction rate?
temperature
pH
substrate concentration
all of the above
97
Proteins embedded in the cell membrane function to ...
produce energy for the cell.
transport materials in and out of the cell.
carry genetic information.
store excess water.
98
All cells have these features in common.
all of the above
plasma membrane
ribosomes
cytoplasm
99
In PLASMOLYZED cells, water molecules have
moved OUT of the cell
have not moved
moved INTO the cell
