DNA, Genetics, and Traits Final_SP 2023

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

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

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.HS-LS1-1

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Identify #2.

• nitrogen base
• phosphate group
• deoxyribose sugar
• nucleotide

Identify #3.

• nitrogen base

• phosphate group

• deoxyribose sugar

• nucleotide

Tags

NGSS.HS-LS1-1

If a DNA sequence is CATCAT, what are the matching base pairs?

• ACGTAC

• MEOW

• GTAGTA

• GCCTAT

How would the DNA sequence GCTATA be transcribed to mRNA?

• GCUAUA
• CGATAT
• CGAUAU
• GCUTUT

order of replication

• 3, 2, 1, 4
• 2, 1, 4, 3
• 2, 3, 1, 4
• 3, 4, 1, 2

Match the following

• builds the complimentary DNA strand

• Topoisomerase

• Separates the DNA

• Helicase

• Bonds DNA fragments together

• Ligase

• Unwinds the DNA

• Polymerase