Worksheets1406/1408 Exam #3 Review
Total questions: 20
Worksheet time: 10mins
In glycolysis, for each molecule of glucose, the following is true:
two molecules of ATP are used, and two molecules of ATP are produced
two molecules of ATP are used, and four molecules of ATP are produced
four molecules of ATP are used, and two molecules of ATP are produced
two molecules of ATP are used, and six molecules of ATP are produced
Which electron carrier(s) function in the citric acid cycle?
NAD+ only
NADH and FADH2
the electron transport chain
ADP and ATP
For each molecule of glucose (C6H12O6) oxidized by cellular respiration, how many moles of CO2 are released in the citric acid cycle?
2
4
6
32
Where does the electron transport chain take place?
Mitochondrial outer membrane
Mitochondrial inner membrane
Mitochondrial intermembrane space
Mitochondrial matrix
Which of the following take place in the cytoplasm of a eukaryotic cell?
Glycolysis
Fermentation & chemiosmosis
Oxidation of pyruvate
Citric acid cycle
What do yeasts made during fermentation?
ATP, CO2, and ethanol
ATP, CO2, and lactate
ATP, NADH, and ethanol
ATP, CO2, and acetyl CoA
Why do plants contain different pigments (not just chlorophyll)?
Each pigment must transport the electrons
So the plant can absorb light at different wavelengths
It helps electrons excite to a higher energy level
To block more light
Why do some trees change color in the fall?
Sugars from sap fill the leaves before winter
Degraded chlorophyll changes into many other colors
The leaves produce energy exclusively by aerobic cellular respiration
Other pigments such as carotenoids are still present in the leaves
Where does the Calvin cycle take place?
Stroma of the chloroplast
Thylakoid membrane
Interior of the thylakoid
Outer membrane of the chloroplast
Why can CAM plants keep their stomata closed during the daytime?
Because they fix CO2 into organic acids during the night
Because they fix CO2 into sugars in the bundle-sheath cells
Because they fix CO2 into pyruvate in the mesophyll cells
Because they use photosystem I and photosystem II at night
If there are 50 centromeres in a cell during anaphase of mitosis, how many chromosomes will be found in each daughter cell after cytokinesis?
50
25
10
100
During which phase of mitosis do the chromatids become chromosomes?
Telophase
Anaphase
Prophase
Metaphase
Which cells form a cell plate?
Animal cells
Plant cells
Both cells
Neither of them
Which is a characteristic for chemotherapeutic drugs to be useful treating cancer?
It is safe enough to prevent all apoptosis (cell death).
It does not interfere with metabolically active cells.
It specifically inhibits cells entering G0.
It specifically inhibits rapidly dividing cells.
Which of the following does not occur during mitosis?
Condensation of chromosomes
Replication of the DNA
Separation of sister chromatids
Spindle formation
If meiosis produces haploid cells, how do we recover our diploid number?
DNA replication
Through the transcription of DNA to RNA
By synapsis of the homologous pairs of chromosomes
By fertilization
During which of the following processes do sister chromatids separate from each other?
Meiosis I only
Meiosis II only
Mitosis and Meiosis I
Mitosis and Meiosis II
When are tetrads formed?
Prophase I
Prophase II
Anaphase I
Anaphase II
Where do homologous chromosomes align in the equator of the cell?
Metaphase I
Metaphase II
Anaphase I
Anaphase II
The main difference between Meiosis II and Mitosis in a diploid (2n) animal?
Homologous chromosomes align on the metaphase plate of Meiosis II
Sister chromatids separate in Mitosis, and homologous chromosomes separate in Meiosis II
Meiosis II occurs in a haploid cell, while Mitosis occurs in diploid cells
Crossing over of chromosomes takes place in Meiosis II
