WorksheetsTest 3 Bio Berezin
Total questions: 88
Worksheet time: 3570secs
Cellular metabolism is also known as what?
Cellular Respiration
Anaerobic Metabolism
Aerobic Metabolism
Cellular Respiration or Aerobic Metabolism
What does Cellular Metabolism involve?
The Oxidation of fuel molecules (removal of electrons) to free energy from chemical bonds
The oxidation of fuel molecules (addition of electrons) to free energy from chemical bonds
The breaking down of cells in order for the cells to lose "weight"
None
Where is energy stored during cellular metabolism?
(a)
What acts as the final electron acceptor?
ATP
Molecular Oxygen
Carbon Dioxide
None
What does aerobic mean
Creating energy in the process
Needing oxygen
Not needing oxygen
None
What is the first step of chemical energy transfer by ATP?
Fermentation
Oxidation
Glycolysis
None
How many steps are involved in this enzymatic process?
3
7
12
10
In the first step, what is glucose converted into?
Two 3-carbon pyruvate molecules
Four 3-carbon pyruvate molecules
Two 4-carbon pyruvate molecules
Four 4-carbon pyruvate molecules
How many ATP are yielded in that first step?
6
4
2
36
Where does cellular respiration/fermentation happen
mitochondria
cytosol
chloroplast
cytoplasm
In the glycolysis phase, is it anaerobic or aerobic?
anaerobic
aerobic
What do we start with in Glycolysis?
fructose
glucose
sucrose
None
What is the second step of cellular respiration?
oxidation of pyruvate
fermentation
yield of an ATP
krebs cycle
Where does the oxidation of pyruvate happen?
cytosol
cristae of the mitochondria
intermembrane space of the mitochondria
None
What is the result of the oxidation of pyruvate?
4 NADH molecules formed and carbon is lost in the form of CO2
2 NADH molecules formed and carbon gained in the form of CO2
4 NADH molecules formed and carbon is gained in the form of CO2
2 NADH molecules formed and carbon is lost in the form of CO2
What is the 3rd step of the cellular respiration
none
krebs cycle
oxidation of pyruvate
glycolisis
Where does the Krebs Cycle occur?
Intermembrane space of the mitochondria
Cristae of the mitochondria
Matrix of the mitochondria
None
What is step 3 of cellular respiration also known as
(a)
During the Krebs Cycle, what is lost?
Acetyl-CoA
Nothing
Oxygen in the form of O2
Carbon in the form of CO2
What does the Acetyl-CoA do during the Krebs cycle?
none
condenses with a 4 carbon acid
condenses with a 4 carbon molecule
Condenses with a 2 carbon acid
Does the Krebs cycle ever stop?
(a)
What does the Krebs cycle start with?
NADH
glucose
ATP
Acetyl-CoA
The fourth step in cellular respiration is:
(a)
What activates protein pumps?
NADH
FADH2
BOTH
NEITHER
What serves as the final electron acceptor?
ATP
Oxygen
Co2
none
(a) is produced as hydrogen ions and oxygen react
How must amino acids be modified in protein synthesis
amino groups removed
oxygen needs to be released
CO2 needs to be released
none
How is a carbon skeleton completely oxidized?
(a)
which produce lactate
bacteria
animals
fungi
all
which produce ethanol
yeast
plants
none
all
what is photosynthesis
(a)
What are autotrophs
by making their own food
by eating other plants
by eating other animals
none of these
Heterotrophs:
(a)
What is the electromagnetic spectrum
(a)
what does visible light consist of
wavelengths that produce colors we can see
rainbow colors
white light
wavelengths of rainbow colors
Can all wavelengths of light power photosynthesis?
yes
no
What is the main photosynthetic pigment?
chlorophyll a
chlorophyll b
green
chloroplasts
What does chlorophyll b do?
(a)
what do carotenoids do?
(a)
Where does photosynthesis take place?
chloroplast
mitochondria
nucleus
cell wall
what are the major locations of photosynthesis
(a)
In what cells of leaves are chloroplasts mainly found?
(a)
what does the Photo in photosynthesis entail?
light reactions
calvin cycle
krebs cycle
none
what does the calvin cycle start with
carbon fixation
glycolysis
oxidation
none
what does the antenna complex contain
250-400 pigment molecules
gathering and funneling light energy into a reaction center
allows for light energy to be converted to chemical energy
all
where does the calvin cycle occur?
(a)
what is the calvin cycle also called?
(a)
what is photorespiration
when it is hot and leaves lose water by evaporation through the stomata
when it is hot and leaves lose water by evaporation through the stroma
when it is cold and leaves store water
none
what else happens in photorespiration
(a)
Do C4 plants use the calvin cycle
yes
no
C4 plants are evolved in the...
(a)
what are C4 plants adapted to
high light
high temps
arid climates
all
C4 plants are also evolved in many grasses such as:
sorghum
maize
sugarcane
all
what do multicellular organisms depend on cell division for
growth/development of cells
repair of cells
reproduction
all of these are correct
Eukaryotic cell division consists of mitosis and cytokinesis
true
false
Which cells have 2 sets of chromosomes? (Diploid=2n)
somatic cells
gametes
Somatic and gametes
none
somatic cells are also known as
plant cells
body cells
sperm cells
none
Which cells have one set of chromosomes? (haploid=n)
gametes
somatic
somatic and gametes
none
when cells are not dividing, DNA is in the form of
(a)
The mitotic phase consists of
mitosis
cytokinesis
both
none
what happens in interphase?
cell growth and copying of chromosomes in prep for division
cells divide using prophase, metaphase, anaphase, telophase
synthesis of the cells in preparation for divison
none
How much time do cells spend in interphase?
(a)
G1 means what?
(a)
S means what?
(a)
G2 means what?
(a)
Phases of mitosis (in order)
prophase, prometaphase, metaphase, anaphase, telophase
telophase, anaphase, metaphase, prometaphase, prophase
metaphase, telophase, anaphase, prophase, prometaphase
anaphase, prometaphase, telophase, metaphase, prophase
What is A pointing to?
centromere
mitotic spindle
sister chromatid
kinetochore
What is B pointing to
spindle fibers
sister chromatid
centromere
kinetochore
What is C pointing to?
sister chromatid
kinetochore
centromere
spindle fibers
What is D pointing to?
kinetochore
spindle fibers
centromere
sister chromatid
The mitotic spindle:
controls chromosome movement during mitosis
stops chromosome movement during mitosis
starts chromosome movement during mitosis
does not deal with chromosomes
in prophase, where does the assembly of spindle microtubules begin?
centrosome
centromere
kinetochore
sister chromatids
Which picture is anaphase
which phase is this
(a)
which phase is this
(a)
is this prophase
yes
no
in animal cells what forms?
cleavage furrow
cell plate
neither
both
does a cell plate form in plant cells
yes
no
what is the cell cycle directed by?
(a)
the cell cycle control system has specific (a) where the cell cycle stops until a go-ahead signal is received
chromatin condenses into?
(a)
when does the breakdown of nuclear envelope happen
(a)
when does the mitotic spindle start to form
(a)
Do cancer cells have a normal cell cycle control system
yes
no
A normal cell is converted to a cancerous cell by a process called:
(a)
cancer cells form:
(a)
if abnormal cells remain at the original site the lump is called a ______ tumor
malignant
benign
________ tumors invade surrounding tissues and can metastasize, exporting cancer cells to other parts of the body
malignant
benign
