Unit 5 DNA History, Structure, and Replication (ADV BIO)

Whose work showed that DNA was in the shape of a helix and suggested the nitrogenous bases were near the center?

• James Watson and Francis Crick

• Rosalind Franklin

• Gregor Mendel

• Charles Darwin

Which 2 scientists are credited with building the model of DNA’s structure that we still use today?

• Albert Einstein and Niels Bohr

• James Watson and Francis Crick

• Marie Curie and Rosalind Franklin

• Isaac Newton and Galileo Galilei

What was the name given to the model from the above question?

• Single Helix

• Double Helix

• Triple Helix

• Quadruple Helix

DNA is important because it:

• Stores genetic information

• Provides energy to cells

• Regulates body temperature

• Produces hormones

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

DNA is found in ALL living things from bacteria to humans.

• True

• False

Tags

NGSS.MS-LS3-1

What is the difference in location of DNA in a eukaryotic cell and a prokaryotic cell?

• DNA in eukaryotic cells is located in the nucleus, while in prokaryotic cells it is in the cytoplasm.

• DNA in eukaryotic cells is located in the cytoplasm, while in prokaryotic cells it is in the nucleus.

• DNA in both eukaryotic and prokaryotic cells is located in the nucleus.

• DNA in both eukaryotic and prokaryotic cells is located in the cytoplasm.

DNA is ​ (a)   in eukaryotic organisms and ​ (b)   in prokaryotic organisms

• linear
• circular

The monomer of DNA is:

• Amino acid

• Nucleotide

• Monosaccharide

• Fatty acid

Label the nucleotide

a

b

c

Nitrogenous base

Phosphate

Sugar (Deoxyribose)

Label the DNA Strand

a

b

c

d

e

f

Phosphate group

Nitrogenous Base

Covalent bond

Deoxyribose (sugar)

hydrogen bond

Nucleotide

Tags

NGSS.HS-LS1-1