Illustrated explanation of Cellular respiration and Krebs cycle
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Course
Biol233
Institution
University Of British Columbia (UBC
)
Book
Campbell Biology
Illustrated explanation of Cellular respiration and Krebs cycle and ATP synthesis. Easy to remember the Krebs cycle for exams. Class notes of Cellular respiration chapter
Test Bank with Answers CH 15 Campbell Biology answer key | UBC | SFU
Test Bank - Campbell Biology, 1st Canadian Edition (Reece, 2014) Chapter 1-56 | All Chapters
Inheritance, genes, etc.
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Biol233
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Chapter 16: The Molecular Basis of Inheritance
1. Who are credited with the discovery of the double helix structure of DNA?
○ a) Hershey and Chase
○ b) Watson and Crick
○ c) Franklin and Wilkins
○ d) Meselson and Stahl
2. The monomers of DNA are:
○ a) Amino acids
○ b) Nucleotides
○ c) Monosaccharides
○ d) Fatty acids
3. Which of the following bases are purines?
○ a) Adenine and thymine
○ b) Guanine and cytosine
○ c) Adenine and guanine
○ d) Thymine and cytosine
4. The backbone of a DNA molecule is composed of:
○ a) Nitrogenous bases
○ b) Sugars and phosphates
○ c) Amino acids and phosphates
○ d) Sugars and bases
5. Which enzyme is responsible for unwinding the DNA double helix?
○ a) DNA polymerase
○ b) RNA polymerase
○ c) DNA helicase
○ d) Ligase
6. During DNA replication, the new DNA strand is synthesized in which direction?
○ a) 3' to 5'
○ b) 5' to 3'
○ c) 2' to 4'
○ d) 4' to 2'
7. What is the role of DNA ligase in DNA replication?
○ a) Unwinding the DNA double helix
○ b) Synthesizing new DNA strands
○ c) Sealing nicks in the DNA backbone
○ d) Proofreading newly synthesized DNA
8. Which type of bond holds the two strands of a DNA molecule together?
○ a) Ionic bonds
○ b) Covalent bonds
○ c) Hydrogen bonds
○ d) Peptide bonds
9. In a DNA double helix, adenine pairs with:
○ a) Thymine
○ b) Cytosine
○ c) Guanine
○ d) Uracil
, 10. The replication of DNA is described as:
○ a) Conservative
○ b) Semi-conservative
○ c) Dispersive
○ d) Liberal
11. Which enzyme adds new nucleotides to a growing DNA strand?
○ a) DNA helicase
○ b) DNA polymerase
○ c) Primase
○ d) Topoisomerase
12. What is the function of primase during DNA replication?
○ a) Adding nucleotides to the growing strand
○ b) Unwinding the DNA helix
○ c) Synthesizing RNA primers
○ d) Sealing gaps in the DNA backbone
13. Which scientist(s) used isotopes of nitrogen to demonstrate the
semi-conservative model of DNA replication?
○ a) Hershey and Chase
○ b) Watson and Crick
○ c) Meselson and Stahl
○ d) Franklin and Wilkins
14. The lagging strand in DNA replication is synthesized:
○ a) Continuously
○ b) Discontinuously
○ c) In the 3' to 5' direction
○ d) Without RNA primers
15. Okazaki fragments are associated with:
○ a) Leading strand synthesis
○ b) Lagging strand synthesis
○ c) RNA transcription
○ d) Protein translation
16. Which protein helps to prevent the DNA helix from re-annealing during
replication?
○ a) Helicase
○ b) Single-strand binding protein
○ c) DNA polymerase
○ d) Ligase
17. Which enzyme is responsible for proofreading newly synthesized DNA?
○ a) DNA ligase
○ b) DNA helicase
○ c) DNA polymerase
○ d) Primase
18. The enzyme telomerase is important for:
○ a) Repairing DNA damage
○ b) Preventing the shortening of telomeres
○ c) Synthesizing RNA primers
○ d) Proofreading DNA
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