

Understanding DNA and RNA
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Evelyn Hayes
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of DNA in the body?
To transport oxygen
To store fat
To give instructions for body functions
To provide energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a nucleotide found in DNA?
Guanine
Adenine
Thymine
Uracil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does RNA differ from DNA in terms of structure?
RNA is double-stranded
RNA contains thymine
RNA is single-stranded
RNA has a deoxy prefix
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Approximately how many nucleotides are in the human genome?
300 million
30 billion
3 billion
3 million
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of human DNA is thought to code for proteins?
50%
100%
30%
3%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for a tightly wound bundle of DNA and proteins?
Gene
Chromatin
Genome
Nucleotide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many pairs of chromosomes do humans have?
24
23
46
22
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