DNA Structure and Function 7.1

Identify the three parts of a nucleotide.

• phosphate

• oxygen

• nitrogen base

• deoxyribose

• nucleic acid

Which TWO scientists are credited with discovering the double helix structure of DNA?

• Francis Crick

• James Watson

• Rosalind Franklin

• Gregor Mendel

Which scientist took the first x-ray image that showed the double helix structure of DNA?

• Francis Crick

• James Watson

• Rosalind Franklin

• Gregor Mendel

Is this a picture of DNA? Why?

• Yes, the molecule in the picture is single stranded

• No, the molecule in the picture it is double stranded

• No, the molecule in the picture it is single stranded

• Yes, the molecule in the picture it is double stranded

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

the passing of traits from one generation to the next

• heredity

• RNA

• gene

• amino acid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The sides of the DNA ladder are made of alternating

• sugars and phosphates

• hydrogen bonds and bases

• sugars and nitrogen bases

• adenine and thymine

another type of nucleic acid that carries the code from the DNA in the nuclues to the ribosome in the cytoplasm

• DNA

• RNA

• heredity

• amino acid

Deoxyribonucleic Acid: a macromolecule that is responsible for storing and passing on genetic information.

• RNA

• DNA

• Protein

• Ribosomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

Mutations are mistakes that become part of ___________________.

• history

• genetic code

• proteins

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2