DNA Structure and History

Where is all the genetic information in a cell?

• Nucleus

• Mitochondria

• Chromosomes

• Cytoplasm

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A cell or organism consisting of two sets of chromosomes. One set comes from mother, one set come from father. Symbolized using 2n.

• Prokaryotic

• Diploid

• Eukaryotic

• Haploid

The loose, stringy form of DNA. DNA is in this form during interphase.

• chromatid

• chromtin

• chromosome

• gene

The super condensed form of DNA

• chromatid

• chromatin

• chromosome

• gene

Tags

NGSS.HS-LS3-1

Sections of DNA that code for a specific protein

• chromatin

• chromatid

• chromosome

• gene

Tags

NGSS.HS-LS1-1

What scientist was responsible for making a x-ray diffraction photograph of DNA (known as photo 51) that offered critical information about the structure of the DNA molecule?

• Friedrich Miescher

• Rosalind Franklin

• Erwin Chargaff

• Gregor Mendel

Who discovered the structure of DNA?

• Gregor and Mendel
• Thomas and Morgan
• Watson and Crick
• Darwin and Pasteur

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

• ribose sugar and base
• ribose sugar and phosphate group
• nitrogen base and deoxyribose sugar
• deoxyribose sugar and phosphate group
  

A DNA nucleotide contains all of the following, except...

• Deoxyribose
• Phosphate group
• Nitrogenous base
• Cholesterol