BSC 108 Exam 3
,BSC 108
BSC 108 Exam 3 Questions & Answers Latest
Update 100% Verified.
DNA is composed of ____ subunits. - ✔✔✔-Nucleotide
DNA has a ____ backbone covalently bonded to _____-containing bases - ✔✔✔-Sugar-
phosphate
Nitrogen
A DNA molecule contains how many strands of DNA?
These strands form what? This means that they are _____. - ✔✔✔-2
A double helix
Complementary
What is the nitrogen-containing bases? - ✔✔✔-Adenine
Guanine
Thymine
Cytosine
The nitrogen-containing bases of the two strands are held to each other by ____ - ✔✔✔-
Hydrogen bonds
Adenine always pairs with _____ - ✔✔✔-Thymine
Cytosine always pairs with _____ - ✔✔✔-Guanine
®™
, BSC 108
How does a molecule of DNA replicate? - ✔✔✔-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 ____ - ✔✔✔-Origin of replication
Synthesis of two new complementary strands occurs in the _____ using the ____ as
templates - ✔✔✔-Replication bubble
Parent strands
The replication bubbles merge as DNA replication progresses in both directions at the
______ - ✔✔✔-Replication forks
An organism's DNA leads to specific traits by _____ - ✔✔✔-Dictating the synthesis of
proteins
What is the structure of RNA? - ✔✔✔-Ribose + A nitrogenous base + A phosphate
group (A, G, C, U)
____ is a single-stranded nucleic acid - ✔✔✔-RNA
RNA contains ____ instead of thymine - ✔✔✔-Uracil
®™
,BSC 108
BSC 108 Exam 3 Questions & Answers Latest
Update 100% Verified.
DNA is composed of ____ subunits. - ✔✔✔-Nucleotide
DNA has a ____ backbone covalently bonded to _____-containing bases - ✔✔✔-Sugar-
phosphate
Nitrogen
A DNA molecule contains how many strands of DNA?
These strands form what? This means that they are _____. - ✔✔✔-2
A double helix
Complementary
What is the nitrogen-containing bases? - ✔✔✔-Adenine
Guanine
Thymine
Cytosine
The nitrogen-containing bases of the two strands are held to each other by ____ - ✔✔✔-
Hydrogen bonds
Adenine always pairs with _____ - ✔✔✔-Thymine
Cytosine always pairs with _____ - ✔✔✔-Guanine
®™
, BSC 108
How does a molecule of DNA replicate? - ✔✔✔-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 ____ - ✔✔✔-Origin of replication
Synthesis of two new complementary strands occurs in the _____ using the ____ as
templates - ✔✔✔-Replication bubble
Parent strands
The replication bubbles merge as DNA replication progresses in both directions at the
______ - ✔✔✔-Replication forks
An organism's DNA leads to specific traits by _____ - ✔✔✔-Dictating the synthesis of
proteins
What is the structure of RNA? - ✔✔✔-Ribose + A nitrogenous base + A phosphate
group (A, G, C, U)
____ is a single-stranded nucleic acid - ✔✔✔-RNA
RNA contains ____ instead of thymine - ✔✔✔-Uracil
®™
