QCE Biology Unit 4 Topic 1

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.MS-LS3-1

NGSS.MS-PS1-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

What is the complement to the DNA strand below:
5'-ATGCCAT-3'

• 5'-TACGGTA-3'
• 3'-TACGGTA-5'
• 3'-ATGGCAT-5'
• 5'-ATGGCAT-3'

Two hydrogen bonds hold together which two hydrogen bases?

• A & T

• G & C

• A & C

• T & G

DNA found at the end of each chromosome is called a:

• Telomere
• Centromere
• Kinetochore
• Histone

The new DNA made from the lagging strand is synthesized in the _________ direction

• 5' to 3'
• 3' to 5'

Small segments of DNA made on the lagging strand are called:

• Okazaki Fragments
• ERVs
• Transposable Elements
• Telomeres

Tags

NGSS.HS-LS3-2

The term used to describe DNA Replication is:

• Semi-Conservative
• Conservative
• AntiParallel
• Dispersive

Tags

NGSS.HS-LS3-2

The enzyme that joins together small segments of newly replicated DNA is:

• DNA Polymerase III
• DNA Polymerase I
• DNA Polymerase II
• DNA Ligase