Unit 3: Lesson 3 - DNA and RNA
Authored by Katrina Toledo
Biology
9th Grade
NGSS covered
Used 13+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes up the SIDES of a DNA ladder?
nitrogen bases
sugars & phosphates
genes & chromosomes
RNA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes up the rungs (steps) of a DNA ladder?
sugars & phosphates
nitrogen bases
sugars
genes & chromosomes
Tags
NGSS.HS-LS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a DNA molecule?
double helix
contains ribose
made of amino acids
contains Uracil
Tags
NGSS.HS-LS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrogenous bases are joined by which type of bond?
polar bonds
ionic bonds
covalent bonds
hydrogen bonds
Tags
NGSS.HS-LS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three components of a nucleotide?
sugar, hydrogen, nitrogen base
sugar, oxygen, nitrogen base
sugar, phosphate, nitrogen base
sugar, phosphate, protein
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cytosine always pairs with
Adenine
Thymine
Uracil
Guanine
7.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
What is the complement to the DNA strand below:
5'-ATGCCAT-3'
(a)
Answer explanation
complimentary strand of DNA is the "other side" of the DNA that matches with the bases they gave you!
Think:
A --> T
C --> G
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