Molecular Genetics and Mutations

What is the gender of the individual whose karyotype is seen in the image?

• Male
• Female

Which of the following correctly matches the enzyme to its function?

• RNA polymerase: transcribes RNA

• Helicase: adds Okazaki fragments

• Ligase: unzips DNA

• DNA polymerase: unwinds DNA

_______ is made during transcription and ________ is made during translation.

• mRNA / a protein
• a protein / mRNA
• Ribosome / Nucleus
• mRNA / tRNA

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

What are the three components of a nucleotide?

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

amino acids are connected with ______ bonds to form _______.

• peptide; proteins
• peptide; lipids
• hydrogen; proteins
• hydrogen; lipids

Tags

NGSS.HS-LS1-6

Changes is DNA sequences that affect genetic information are known as

• replications
• mutations
• transformations
• translations

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of RNA carries the DNA message out of the nucleus to the ribosomes?

• mRNA
• tRNA
• RNA
• DNA

What amino acid is represented by the codon CAG?

• Aspartic Acid
• Histidine
• Glutamine
• Methionine

How does RNA differ from DNA?

• RNA is double stranded

• RNA is always found in the nucleus

• RNA contains uracil and ribose

• RNA is made of nucleotides