Activity #1

Adenine always pairs with:

b) Cytosinea) Thymine

d) Ribose c) Guanine

The two men who established the structure of DNA were:

a) Frederick and Alvers

c) Berkely and Fry d) Darwin and

Lamarke

b) Watson and Crick

DNA is in the following shape:

a) Double Helix

c) In clumps of three nucleotides with an amino acid attached

d) A five sided sugar molecule

b) Long chain that winds around itself

(like a rope)

A nucleotide consist of:

a) nitrogen base b) a nitrogen base and a sugar

c) a nitrogen base, sugar, and phosphate

d) two nitrogen bases, a sugar, and a

phosphate

The base pair rules states that:

a) Replication is semiconservative

b) A pairs with T, G pairs with C

c) DNA is a double helix held together by

hydrogen bonds

d) A pairs with G, T pairs with C

c) Mendel d) DXR

The abbreviation for deoxyribonucleic acid is:

a) RNA b) DNA

c) phosphate d) nitrogen

The bases of the DNA molecule bond with a ____ bond.

a) hydrogen b) oxygen

c) Ribose, uracil, and nitrogen

d) phosphate, adenine, a

nd deoxyribose

The following would be a nucleotide found in DNA:

a) deoxyribose, adenine,

and ribose

b) ribose, thymine and phosphate

c) RNA d) DNA

Is the hereditary material in humans and almost all other organisms.

a) Cellulose b) Nucleus

c) Aristotle d) Watson and Crick

Used X-ray diffraction to understand the physical structure of the DNA molecule:

a) Gregor Mendel b) Roselind Franklin

c) Aristotle d) Watson and Crick

Used X-ray diffraction to understand the physical structure of the DNA molecule:

a) Gregor Mendel b) Roselind Franklin

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Activity #2