DNA Structure and Function Quiz

Quiz
•
Science
•
6th - 8th Grade
•
Medium
+2
Standards-aligned
Zlata Danese
Used 18+ times
FREE Resource
48 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does DNA stand for?
Deoxyribonucleic Acid
Dioxynucleic Acid
Deoxyribosenucleic Acid
Dioxoribonucleic Acid
Answer explanation
DNA stands for Deoxyribonucleic Acid. It is the correct choice because it is the full and accurate name for the molecule that carries genetic information in all living organisms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of DNA?
Single strand
Double helix
Triple helix
Circular loop
Answer explanation
The shape of DNA is a double helix, which consists of two strands twisted around each other in a spiral. This structure allows for the replication and transmission of genetic information.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the sides of the DNA double helix made of?
Amino acids & proteins
Sugars & phosphate
Nitrogenous bases & sugars
Phosphate & amino acids
Answer explanation
The sides of the DNA double helix are made of sugars and phosphate, as indicated by the correct answer choice.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of sugar is found in DNA?
Glucose
Fructose
Ribose
Deoxyribose
Answer explanation
The sugar found in DNA is deoxyribose. Deoxyribose is a type of sugar that forms the backbone of DNA strands.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who are credited with the discovery that DNA is a double helix?
Franklin and Wilkins
Watson and Crick
Chargaff and Watson
Crick and Franklin
Answer explanation
Watson and Crick are credited with the discovery that DNA is a double helix.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Chargaff's rules, which of the following is true about the bases in DNA?
A + G = T + C
A + C = T + G
A + T = G + C
A + T = C + G
Answer explanation
According to Chargaff's rules, the correct statement about the bases in DNA is that A + T = G + C.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are the four bases of DNA?
Adenine, Thymine, Guanine, Cytosine
Adenine, Uracil, Guanine, Cytosine
Alanine, Thymine, Glycine, Cytosine
Adenine, Thymine, Glutamine, Cytosine
Answer explanation
The four bases of DNA are Adenine, Thymine, Guanine, and Cytosine. These bases form the building blocks of DNA and pair up to create the double helix structure. Adenine pairs with Thymine, and Guanine pairs with Cytosine.
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