Bio Unit 8: Lesson 1 - DNA Structure
Presentation
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Science
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9th Grade
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Practice Problem
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Easy
Standards-aligned
Dilenia Gomez
Used 12+ times
FREE Resource
9 Slides • 7 Questions
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2
3
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5
Multiple Choice
Why is DNA often compared to a twisted ladder?
It has sugar and phosphate rungs
The nitrogen bases form the backbone
The sugar and phosphate form the sides, and bases are like rungs
It contains metals like a ladder
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7
Multiple Choice
What are the three components of a nucleotide?
Amino acid, sugar, phosphate
Nitrogen base, sugar, phosphate
Ribose, deoxyribose, phosphate
DNA, RNA, protein
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Multiple Choice
Which sugar is found in DNA?
Ribose
Glucose
Fructose
Deoxyribose
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10
Multiple Choice
Which nitrogenous base pairs with guanine in DNA?
Adenine
Cytosine
Thymine
Uracil
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12
Multiple Choice
If a strand of DNA has the sequence ATCGTA, what is the complementary strand?
TAGCAT
UAGCAU
ATCGTA
TACGAT
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Multiple Choice
A scientist is building a model of DNA. What should they use to connect the nitrogen bases across the center?
Sugar
Covalent bonds
Hydrogen bonds
Peptide bonds
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Open Ended
Share something new you learned today OR something you are looking forward to learning about in this unit.
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