
DNA Structure and Replication Concepts

Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the differences in appearance among organisms despite having the same four DNA base pairs?
The size of the DNA molecule
The presence of a nucleus
The sequence of nucleotides
The number of chromosomes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the DNA located in a prokaryotic cell?
Within the mitochondria
In the cytoplasm
Inside the nucleus
In the endoplasmic reticulum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about eukaryotic cells compared to prokaryotic cells?
Eukaryotic cells have less DNA than prokaryotic cells
Eukaryotic cells lack a nucleus
Eukaryotic cells have more complex structures
Eukaryotic cells have a single strand of DNA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of histones in DNA structure?
They are proteins that DNA wraps around
They are enzymes that unzip DNA
They are the building blocks of nucleotides
They replicate DNA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is chromatin composed of?
RNA and proteins
DNA and histones
Nucleotides and enzymes
Lipids and carbohydrates
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During which phase does DNA replication occur in eukaryotic cells?
G2 phase
S phase
G1 phase
M phase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting point of DNA replication in prokaryotic cells?
Origin of replication
Replication fork
Telomere
Centromere
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