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Natural Selection and Adaptations
Passage
•
Science
•
8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Melody James
Used 1+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of DNA?
Double helix
Single strand
Triple helix
Circular
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist used x-rays to study the shape of DNA?
Rosalind Franklin
James Watson
Francis Crick
Erwin Chargaff
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During DNA replication, what pairs with adenine (A)?
Thymine (T)
Cytosine (C)
Guanine (G)
Uracil (U)
4.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
The process of making mRNA from DNA is called (a) .
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of mutation involves the addition of one or more nitrogen bases?
Insertion
Deletion
Substitution
Translocation
Tags
NGSS.HS-LS3-2
6.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
The nitrogen bases form the (a) of the DNA ladder.
7.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
A mutation that is neither beneficial nor harmful is called (a) .
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