Microbiology 2117L- Labs 9-11

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

If a DNA molecule is 18% Guanine which of the following is correct

• 18% cytosine, 32% adenine, 32% thymine
• 32% cytosine, 18% adenine, 32% thymine
• 18% cytosine, 64% adenine, 64% thymine
• 32% cytosine, 32% adenine, 18% thymine

What are the 4 nitrogen bases in DNA?

• adenine, thymine, uracil, and guanine

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and uracil

• adenine, thymine, cytosine, and glucose

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

This picture is illustrating the ____ nature of DNA.

• anti-parallel
• deoxyribosic
• helical
• radioactive

Which sequence of DNA bases would pair with this partial strand

CAT TCA CTG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

DNA is built in this direction

• 5^' to 3' (new nucleotides added to the 3' end)

• 3' to 5' (new nucleotides added to the 5' end)

• 3' to 5' (new nucleotides added to the 3' end)

• 5^' to 3' (new nucleotides added to the 5' end)

Adenine pairs with

• uracil

• thymine

• cytosine

• adenine