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BSC 108 Exam 3 Questions with Detailed Verified
Answers
DNA is composed of ____ subunits. Ans: ✓ ✓ ✓ Nucleotide
DNA has a ____ backbone covalently bonded to _____-containing bases Ans: ✓ ✓ ✓ Sugar-
phosphate
Nitrogen
A DNA molecule contains how many strands of DNA?
These strands form what? This means that they are _____. Ans: ✓ ✓ ✓ 2
A double helix
Complementary
What are the nitrogen-containing bases? Ans: ✓ ✓ ✓ Adenine
Guanine
Thymine
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Cytosine
The nitrogen-containing bases of the two strands are held to each other by ____ Ans: ✓ ✓ ✓
Hydrogen bonds
Adenine always pairs with _____ Ans: ✓ ✓ ✓ Thymine
Cytosine always pairs with _____ Ans: ✓ ✓ ✓ Guanine
How does a molecule of DNA replicate? Ans: ✓ ✓ ✓ One parent molecule that has two
complementary strands separates
Each strand is used as a template to make a new strand
Each of the two daughter molecules will be composed of one "old" (parent) strand and one "new"
strand
The two parent strands separate at the ____ Ans: ✓ ✓ ✓ Origin of replication
Synthesis of two new complementary strands occurs in the _____ using the ____ as templates Ans:
✓ ✓ ✓ Replication bubble
Parent strands
The replication bubbles merge as DNA replication progresses in both directions at the ______ Ans:
✓ ✓ ✓ Replication forks
An organism's DNA leads to specific traits by _____ Ans: ✓ ✓ ✓ Dictating the synthesis of proteins
© Get it right 2025 Getaway - Stuvia US All rights reserved
BSC 108 Exam 3 Questions with Detailed Verified
Answers
DNA is composed of ____ subunits. Ans: ✓ ✓ ✓ Nucleotide
DNA has a ____ backbone covalently bonded to _____-containing bases Ans: ✓ ✓ ✓ Sugar-
phosphate
Nitrogen
A DNA molecule contains how many strands of DNA?
These strands form what? This means that they are _____. Ans: ✓ ✓ ✓ 2
A double helix
Complementary
What are the nitrogen-containing bases? Ans: ✓ ✓ ✓ Adenine
Guanine
Thymine
© Get it right 2025 Getaway - Stuvia US All rights reserved
, Click here for more: Scholars nexus
Cytosine
The nitrogen-containing bases of the two strands are held to each other by ____ Ans: ✓ ✓ ✓
Hydrogen bonds
Adenine always pairs with _____ Ans: ✓ ✓ ✓ Thymine
Cytosine always pairs with _____ Ans: ✓ ✓ ✓ Guanine
How does a molecule of DNA replicate? Ans: ✓ ✓ ✓ One parent molecule that has two
complementary strands separates
Each strand is used as a template to make a new strand
Each of the two daughter molecules will be composed of one "old" (parent) strand and one "new"
strand
The two parent strands separate at the ____ Ans: ✓ ✓ ✓ Origin of replication
Synthesis of two new complementary strands occurs in the _____ using the ____ as templates Ans:
✓ ✓ ✓ Replication bubble
Parent strands
The replication bubbles merge as DNA replication progresses in both directions at the ______ Ans:
✓ ✓ ✓ Replication forks
An organism's DNA leads to specific traits by _____ Ans: ✓ ✓ ✓ Dictating the synthesis of proteins
© Get it right 2025 Getaway - Stuvia US All rights reserved
