
Exploring DNA Structure and Replication

Interactive Video
•
Biology
•
6th - 10th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of DNA in most organisms?
To store and transmit genetic information
To provide energy for cellular processes
To act as a structural component of cells
To catalyze biochemical reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are chromosomes typically structured in prokaryotic organisms?
Single-stranded
Circular
Double-stranded
Linear
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are plasmids?
Small, circular, extra-chromosomal DNA
Main chromosomes in eukaryotic cells
Linear DNA fragments in prokaryotes
RNA molecules involved in protein synthesis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sugar is found in the structure of DNA?
Fructose
Glucose
Deoxyribose
Ribose
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In RNA, which base pairs with adenine?
Thymine
Cytosine
Guanine
Uracil
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of bond holds the base pairs together in DNA?
Peptide bonds
Hydrogen bonds
Ionic bonds
Covalent bonds
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'semi-conservative' mean in the context of DNA replication?
New DNA molecules are identical to the original
DNA replication occurs only in one direction
Each new DNA molecule consists of one old and one new strand
Both strands of the original DNA are conserved
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