What did scientists in the early 1900s know about genetic information?

Exploring DNA: History, Structure, and Replication

Interactive Video
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Biology
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6th - 10th Grade
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Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It was carried in the cell membrane.
It was carried in ribosomes.
It was carried in mitochondria.
It was carried in chromosomes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was Frederick Griffith's conclusion from his experiments with pneumonia-causing bacteria?
Heat-killed bacteria cannot affect living organisms.
Living organisms can pass genetic information from one to another.
Proteins are the carriers of genetic information.
Genetic information is not passed between bacteria.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Hershey and Chase use to label the DNA and protein parts of the virus?
Radioactive calcium and magnesium
Radioactive carbon and nitrogen
Radioactive sulfur and phosphorus
Radioactive oxygen and hydrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Hershey and Chase conclude from their experiments?
Bacteria do not carry genetic information.
Viruses do not carry genetic information.
DNA is the carrier of genetic information.
Proteins are the carriers of genetic information.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Chargaff discover about the nitrogen bases in DNA?
Cytosine and guanine are always unequal in amount.
Adenine and thymine are always equal in amount.
Thymine and guanine are always unequal in amount.
Adenine and cytosine are always equal in amount.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was Rosalind Franklin's major contribution to the understanding of DNA?
She discovered the process of DNA replication.
She discovered the role of DNA in genetic inheritance.
She discovered the four nitrogen bases.
She discovered the double helix structure of DNA.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the structure of DNA according to Watson and Crick?
A triple helix
A double helix
A quadruple helix
A single helix
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