Biology Chapter 13 and 14 (DNA and RNA)

Avery determined that ________ is the molecule of heredity.

• DNA

• RNA

• protein

• carbohydrate

Tags

NGSS.HS-LS3-1

Which scientists discovered that DNA is the genetic material of viruses?

• Griffith and Avery

• Hershey and Chase

• Watson and Crick

• Franklin and Wilkins

Which of the following is not a role of DNA?

• store genetic information

• copy genetic information

• transmit information

• bring animo acids to the ribosome

The X is the image is pointing to a

• phosphate

• deoxyribose

• ribose

• hydrogen bond

The Z is the image is pointing to a

• phosphate

• deoxyribose

• ribose

• hydrogen bond

A DNA molecule that is 20% thymine would be _____ % adenine.

• 20

• 30

• 40

• 100

What was Chargaff's contribution to discovering the structure of DNA?

• He discovered that A=T and G=C

• He discovered that DNA is a double helix.

• He took X-ray diffraction images of DNA

Who is credited for discovered the structure of DNA?

• Franklin

• Chargaff

• Watson and Crick

Which of the following is not a function of DNA polymerase?

• proofread

• break hydrogen bonds between bases

• add nucleotides to a new DNA strand

Which of the following is not a difference between DNA and RNA

• RNA has uracil instead of thymine

• RNA is double stranded while DNA is single stranded

• RNA is single stranded while DNA is double stranded

• RNA has ribose instead of deoxyribose