Review Quiz

If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?

• 30
• 15
• 20
• 60

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

A scientist observes a base sequence of AGCTAGCTAGCT.  Which of the following would be the complimentary strand?

• TGCATGCATGCA
• TCGATCGATCGA
• TAGCTAGCTAGC
• TTAAGGCCTTCC

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Describes the twisted ladder-like shape of a DNA molecule

• Nitrogen Base
• Hexagon
• Double Helix

After analyzing a sample of DNA, a scientist recorded the data shown in the table. What percentage of the DNA sample is cytosine?

• 22%
• 25%
• 28%
• 56%

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

What would the complimentary DNA strand be to this DNA template?
TTC  CGA

• AAG  GCT
• AAG GCU
• CCG  GCT
• UUG  GCA

chargaff said that..

• A to T , G to C

• G to C , A to C

• G to A , A to C

• biology is hard