DNA Structure
Presentation
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
An Tran
Used 4+ times
FREE Resource
6 Slides • 10 Questions
1
2
DNA specifies all of an organism's characteristics or traits (eye color, hair color, height, etc.)
We inherit (receive) DNA from our parents.
DNA is a nucleic acid.
3
Fill in the Blanks
DNA is a
Type answer...
4
Multiple Choice
Where do we receive DNA from?
Only mom
Only dad
Both mom and dad
The environment.
5
After DNA replicates, each chromosome in a cell has TWO DNA molecules.
DNA is made of two strands that are made up of nucleotides.
DNA has three parts: deoxyribose (sugar), a phosphate group, and a nitrogenous base.
6
Multiple Choice
How many DNA molecules are in each chromosome after DNA replicates?
1
2
3
4
7
Multiple Choice
What is DNA made up of?
nucleic acids
RNA
nucleotides
cells
8
Multiple Select
What are the three parts of DNA?
deoxyribose
phosphate group
nitrogenous bases
oxygen
9
DNA has a twisted ladder shape, called a double helix.
The rungs of the ladder are pairs of nucleotides.
DNA Molecule
10
Dropdown
11
Fill in the Blanks
The rungs of the ladder in DNA are
Type answer...
12
The nucleotides have different nitrogenous bases:
Adenine
Guanine
Cytosine
Thymine
The sides of the DNA are made up of sugar and phosphate and is called the backbone.
DNA Molecule
13
Multiple Choice
Which one is NOT a nitrogenous base?
Alanine
Adenine
Guanine
Cytosine
14
Multiple Select
Which two things make up the backbone?
Deoxyribose
Ribose
Phosphate
Amino Acids
15
The bases connect together through hydrogen bonds.
DNA Molecules
16
Match
Part of a nucleotide that differs between nucleotides.
Part of the backbone of the DNA double helix.
Bond that holds two strands of DNA together
The units that make up a nucleic acid.
Nitrogenous base
Deoxyribose
Hydrogen Bond
Nucleotide
Nitrogenous base
Deoxyribose
Hydrogen Bond
Nucleotide
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