Molecular Genetics

Quiz
•
Biology
•
9th Grade
•
Medium
Standards-aligned
Erin Derenbecher
Used 82+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The monomers of DNA and RNA are
nucleic acids
fatty acids
nucleotides
monosaccharides
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement regarding DNA is false?
DNA molecules have a sugar-phosphate backbone
DNA contains the nitrogenous base uracil
One DNA molecule can include four different nucleotides in its structure
DNA contains the sugar deoxyribose
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement regarding RNA is false?
One RNA molecule can include four different nucleotides in its structure.
RNA molecules have a sugar-phosphate backbone.
RNA contains the sugar dextrose
RNA contains the nitrogenous base uracil
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The shape of a DNA molecule is most like
beads on a string
a wooden ladder
a twisted rope ladder
a set of railroad tracks
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DNA replication
begins when two DNA molecules join together to exchange segments
results in the formation of four new DNA strands
uses each strand of a DNA molecule as a template for the creation of a new strand
occurs through the addition of nucleotides to the end of the parental DNA molecule
Tags
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme catalyzes the elongation of a new DNA strand?
DNA ligase
reverse transcriptase
DNA polymerase
RNA polymerase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which option best depicts the flow of information when a gene directs the synthesis of a cellular component?
DNA--> RNA--> protein
RNA--> DNA--> RNA--> protein
protein --> RNA --> DNA
DNA-->tRNA-->mRNA--> protein
Tags
NGSS.HS-LS1-1
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