DNA Homework

Which shows the correct complementary base pairing for DNA?

• C - A, T - G

• C - G, U - A

• A - G, C - T

• T - A, G - C

What does DNA stand for (exact spelling)

In eukaryotes, which organelle is DNA usually found in?

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine, cytosine, and glycerol

• adenine, thymine, cytosine, and guanine

• adenine, thymine, cytosine, and glucose

Adenine bonds with

• guaninie

• thymine

• cytosine

 

Which of the following best describes a DNA molecule?

• made of amino acids

• contains ribose

• double helix

• contains Uracil

A cell is undergoing cell division and must make a copy of all its DNA prior to dividing.

During this process, which sequence of DNA bases would most likely pair with this partial strand ATG TGA CAG?

• TAC ACT GTC

• CAT TCA CTG

• GTA AGT GAC

• ATG TGA CAG

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

• polysaccharides

• nucleotides

• fatty acids

• amino acids

How many chromosomes do humans have?

• 23

• 46

• 92

• 42

A nucleotide consists of a nitrogenous base, along with –

• a ribosome and phosphate 

• a sugar

• a sugar and phosphate 

• a phosphate