Biology Semester 2 Review for Final

Which of these is NOT found in RNA?

• cytosine
• uracil
• deoxyribose sugar
• adenine

In DNA, adenine always pairs with:

• uracil
• cytosine
• guanine
• thymine

Name the monomer of a nucleic acid

• monosaccharide
• fatty acids and glycerol
• nucleotide
• amino acid

What part of the nucleotide is circled?

• sugar
• phosphate
• base
• acid

How many strands of genetic information is RNA made of?

• 1
• 2
• 3
• 4

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.MS-PS1-1

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Tags

NGSS.HS-LS1-1

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• DNA polymerase
• RNA polymerase

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

The structures labeled B are

• centrioles
• chromatids
• centromeres
• chromopheres

Tags

NGSS.HS-LS1-4