DNA Structure and Scientists

Identify the three parts of a nucleotide.

• phosphate

• oxygen

• nitrogen base

• deoxyribose

• nucleic acid

This scientist stated that the proportion of adenine would be equal to thymine and the proportion of cytosine would be equal to guanine.

• Watson

• Franklin

• Chargaff

• Mendel

This is known as the "Blueprint of Life" and is responsible for coding the proteins that determine traits.

• mitochondria

• DNA

• chromatids

• nitrogenous bases

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The sides of the DNA ladder are made of alternating

• sugars and phosphates

• hydrogen bonds and bases

• sugars and nitrogen bases

• adenine and thymine

What is the complementary base to cytosine?

• guanine

• adenine

• thymine

• cytosine

What is the twisted ladder shape of DNA called?

• double helix

• single helix

• stringy ladder

• ladder

What are the four bases that make up the genetic code in DNA?

• adenine, thymine, guanine, and cytosine

• phosphates, sugar, base

• nitrogen, deoxyribose, base

• deoxyribose, nucleotide, base

Who was the scientist who used X-rays to "take a picture" of DNA which was eventually used to figure out the structure of DNA?

• Rosalind Franklin

• Watson and Crick

• Maurice Wilkins

• Sherlock and Watson

What is the name of the two scientists who used Rosalind Franklin's X-ray image to determine the double helix shape of DNA?

• Watson and Crick

• Watson and Franklin

• Crick and Franklin

• Sherlock and Watson

Tags

NGSS.HS-LS1-1

These are the subunits of DNA; many of them bonded together makes up a DNA molecule

• nucleotide

• phsophate

• sugar

• base

Tags

NGSS.HS-LS1-1