Heredity & Genetics

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Tags

NGSS.HS-LS1-1

Which of the following best describes a DNA molecule?

• double helix
• single stranded
• made of amino acids
• contains Uracil

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

• amino acids

• nucleotides

• fatty acids

• polysaccharides

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Tags

NGSS.HS-LS1-1

Which organelle is DNA found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Tags

NGSS.HS-LS1-1

The enzyme that breaks hydrogen bonds and unwinds the DNA to prepare for replication is...

• helicase

• replicase

• polymerase

• synthase

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

Tags

NGSS.HS-LS1-1

During replication, what enzyme adds complimentary bases?

• DNA helicase

• DNA synthesis

• DNA ligase

• DNA polymerase