DNA
Presentation
•
Biology
•
7th Grade
•
Practice Problem
•
Easy
Standards-aligned
LESLEY BABE
Used 1K+ times
FREE Resource
7 Slides • 9 Questions
1
2
Deoxyribonucleic acid, or DNA, ia a macromolecule that determines traits of living things. A DNA molecule is made up of nucleotides joined together by chemical bonds.
What is it?
3
Multiple Choice
What does DNA determine?
traits of living things
traits of nonliving things
organization of living things
Did Not Attempt
4
Each nucleotide is made of 3 parts: a sugar, the phosphate group, and a nitrogenous base.
What is it made of?
5
The sugar known as a deoxyribose and the phosphate group make up the sides of the DNA molecule.
What is it made of?
6
Multiple Choice
How many parts make up a nucleotide?
One
Two
Three
Four
7
Multiple Select
What are the parts of a nucleotide?
sugar
nucleotide
nitrogenous base
phosphate group
8
A living thing's genetic code is determined by the sequence of bases that are found in the center of the molecule. Adenine always pairs with thymine and cytosine with guanine.
What does it determine?
9
Multiple Select
What are the names of the nitrogenous bases?
adenine
cytosine
thymine
guanine
10
Multiple Choice
Adenine always pairs with...
thymine
cytosine
guanine
adenine
11
Multiple Choice
Cytosine always pairs with...
thymine
cytosine
guanine
adenine
12
Multiple Choice
Thymine always pairs with...
thymine
cytosine
guanine
adenine
13
Multiple Choice
Guanine always pairs with...
thymine
cytosine
guanine
adenine
14
The molecule gets twisted into a shape known as a double helix.
What is the shape of DNA?
15
Multiple Choice
What is the shape of DNA?
double helix
single helix
squiggle
twisty step looking thing
16
https://learn.genetics.utah.edu/content/labs/extraction
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