Cheat Sheet – CKSF Biology Scholarship Quiz 4

Biology White FrameThe sample biology quiz questions below are from the Common Knowledge Scholarship Foundation’s High School Biology Scholarship, Quiz 4.  The High School Biology Scholarship is a no essay scholarship (multiple choice quiz) that follows a standard AP Biology syllabus found at the College Board website. Each month there is a new online quiz based on what is commonly covered during that month based on the syllabus.  The quizzes are designed to allow students to compete for scholarship money while reviewing for exams.


1 DNA replication is completed by the end of _________.
2 The process of mitosis ensures that __________.
3 Which of the following is NOT part of mitosis?
4 Which of the following is NOT part of the chromosome?
5 A cell that has 20 chromosomes undergoes mitosis. Which of the following is true?
6 During which phase does the cytoplasm divide and the cell contents separate into two separate cells?
7 Chromosomes become aligned along the equatorial plane of the cell during __________.
8 Chromosome replication occurs during __________.
9 Migration of the daughter chromosomes to the two poles is complete during __________.
10 If a diploid cell has the genotype Pp, what will be the genotype of the two daughter cells after mitosis?
11 Regarding mitosis and cytokinesis, one difference between higher plants and animals is that in plants __________.
12 Which of the following is true of mitosis in a diploid cell?
13 During which stage does DNA replication occur?
14 Most cells spend their lives in __________.
15 Cytokinesis begins during which phase?
16 Which of the following can be determined from a karyotype?
17 Compared to the X chromosome, the Y chromosome is __________.
18 A spindle forms during which phase?

Kreb’s Cycle and Electron Transport Chains

1 The direct energy source that drives ATP synthesis during oxidative phosphorylation is __________.
2 What is the reducing agent in the following reaction? Pyruvate + NADH + H+ -> lactate + NAD+
3 In a eukaryotic cell, most of the enzymes of the Kreb’s cycle are located in the __________.
4 The final electron acceptor of the electron transport chain that functions in oxidative phosphorylation is __________.
5 When electrons flow along the electron transport chains of mitochondria, which of the following changes occur?
6 ______ reactions release energy when electrons move closer to electronegative atoms. Redox Exergonic Phosphorylative Cumulative ______ reactions release energy when electrons move closer to electronegative atoms.
7 Electrons extracted from food are usually transferred first to NAD+, reducing the compound to __________.
8 __________ and the __________ cycle supply electrons to the transport chain (via NADH), and the transport chain drives oxidative phosphorylation.
9 Glycolysis occurs in the __________. The Kreb’s cycle occurs in the __________.



1 At the completion of meiosis, each new nucleus has received __________.
2 Homologous chromosomes segregate toward opposite poles of a dividing cell during __________.
3  Meiosis II is similar to mitosis in that __________.
4  The DNA content of diploid cell in the G1 phase of the cell cycle is measured. If this DNA content is X, then the DNA content of the same cell at metaphase of meiosis I would be __________.
5  The DNA content of diploid cell in the G1 phase of the cell cycle is measured. If this DNA content is X, then the DNA content of the same cell at metaphase of meiosis II would be __________.
6  How many different combinations of maternal and paternal chromosomes can be packaged in gametes made by an organism with a diploid number of 8 (2n = 8)?
7  The most direct product of meiosis in a plant is a __________.
8  The following choices indicate chromosome number before and after a process. Which choice corresponds to the process of fertilization?
9  Crossing over contributes to genetic variation when it exchanges chromosomal regions between __________.
10  In comparing the typical life cycles of plants and animals, a stage found in plants, but not in animals is a __________.
11  Which event in meiosis involves the exchange of genetic material between chromosomes?
12  Meiosis results in __________ daughter cells
13  Which of the following cells undergo meiosis?
14  Crossing-over occurs during __________.
15  Meiosis is a type of cell division that produces __________.
16  Which of the following distinguishes prophase 1 of meiosis from prophase of mitosis?
17  A cell with a diploid number of 24 undergoes meiosis. How many chromosomes are in each daughter cell?
18  Imagine that you are looking at a cell in the microscope. When you examine the cell, you see that the nucleus is not present and that the chromosomes are condensed and lined up singly in the center of the cell. What are the possible stages of division in which this cell might be?
19 Why is Meiosis II needed for gamete (egg and sperm) production?
20 During meiosis the resulting gametes have _______ the number of chromosomes as the parent cell.
21 Crossing over may occur during which phase of Meiosis I?
22 Cytokinesis occurs during?
23 Basic structural unit of eukaryotic chromosome forming “beads on a string.”
24 Structure forming at centromere during Mitosis for binding microtubules.
25 Each of a pair of identical DNA molecules after DNA replication, joined at the centromere.
26 Protein/DNA complex making the chromosome.
27 Molecules of DNA complexed with specific proteins responsible in eukaryotes for storage and transmission of genetic information.
28 Five kinds of proteins forming complexes with Eukaryotic DNA.

Cellular Respiration

1 What role does oxygen play in aerobic respiration?
2 During aerobic respiration, the chemical energy of glucose is gradually released, producing 36 ATP as well as __________
3 Which metabolic pathway is common to both fermentation and cellular respiration?
4 In the presence of a metabolic poison that specifically inhibits the mitochondrial ATP synthase, you would expect which of the following?
5 Most of the ATP made during cellular respiration is generated by __________.
6 Which of the following is a true distinction between fermentation and cellular respiration?
7 Most CO2 from catabolism is released during __________.
8 Cellular respiration and fermentation are __________ pathways.
9 The metabolic breakdown of __________ and other __________ fuels to simpler products is exergonic, yielding energy for ATP synthesis.
10 ATP drives cellular work by transferring __________ groups to various substrates, priming them to undergo change.
11 Starting with glucose or another organic fuel and using oxygen, cellular respiration yields __________, __________, and energy in the form of ATP and __________.
12 Glycolysis nets ____ molecules of ATP, produced by substrate-level phosphorylation, and ___ molecules of NADH.

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