1|Page | © copyright 2024/2025 | Grade A+
NWHSU BioChem 1 Exam 3 review
Questions and Answers (100% Pass)
Uracil is a _________ base
✓ pyridine
Nucleotides consist of_________
✓ A pentose, phosphate and a pyrimidine or purine base
In DNA, which of the following base pairing is correct?
✓ A and T
Thymine-dimer formation is commonly occurring reaction caused by
✓ UV radiation
Which non covalent forces stabilize the DNA double helix
✓ Hydrogen bonding and hydrophobic interaction
Who published the first paper on the structure and function of the DNA?
✓ Watson and Crick
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
Oils contain more unsaturated fatty acids than butter T or F
✓ True
Amphipathic compounds are what?
✓ Are partially hydrophobic and partially hydrophilic
The function of triglycerides:
✓ energy storage
Adenine and Guanine are what types of bases?
✓ Purines
Cytosine, Thymine and Uracil are what types of bases?
✓ Pyrimidines
Nucleotides are second messengers that act like ________ regulators in
chemically linking hormone signals
✓ Allosteric
Nucleotides are building blocks for _________ and __________
Master01 | October, 2024/2025 | Latest update
NWHSU BioChem 1 Exam 3 review
Questions and Answers (100% Pass)
Uracil is a _________ base
✓ pyridine
Nucleotides consist of_________
✓ A pentose, phosphate and a pyrimidine or purine base
In DNA, which of the following base pairing is correct?
✓ A and T
Thymine-dimer formation is commonly occurring reaction caused by
✓ UV radiation
Which non covalent forces stabilize the DNA double helix
✓ Hydrogen bonding and hydrophobic interaction
Who published the first paper on the structure and function of the DNA?
✓ Watson and Crick
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
Oils contain more unsaturated fatty acids than butter T or F
✓ True
Amphipathic compounds are what?
✓ Are partially hydrophobic and partially hydrophilic
The function of triglycerides:
✓ energy storage
Adenine and Guanine are what types of bases?
✓ Purines
Cytosine, Thymine and Uracil are what types of bases?
✓ Pyrimidines
Nucleotides are second messengers that act like ________ regulators in
chemically linking hormone signals
✓ Allosteric
Nucleotides are building blocks for _________ and __________
Master01 | October, 2024/2025 | Latest update
