Test - Unit 5 - DNA, Replication and Protein Synthesis

The two strands of DNA are held together by:

• Hydrogen Bonds
• Phosphodiester Bonds
• Glycolsyl Bonds
• Glycosidic Linkages

Tags

NGSS.HS-LS1-1

What did Erwin Chargaff conclude from his experiments?

• Nitrogen bases are held together by peptide bonds
• A and T, C and G always occur in equal amounts
• Proteins are the carriers of genetic information
• C and G rarely occur in eukaryotic organisms

How would the DNA sequence GCTATA be transcribed to mRNA?

• GCUAUA
• CGATAT
• CGAUAU
• GCUTUT

What is the correct order to make a protein?

• Protein, DNA, RNA

• RNA, DNA, Protein

• DNA, RNA, Protein

• Protein, RNA, DNA

Tags

NGSS.HS-LS1-1

Which of the following enzymes is needed for Transcription?

• Helicase

• DNA Polymeras

• RNA Polymerase

• Ligase

• Topoisomerase

How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA

• 4
• 2
• 6
• 12

Tags

NGSS.HS-LS1-1

What is the structure of DNA?

• single strand

• triple helix

• square shape

• double helix

What are the differences between DNA and RNA? (select 2)

• DNA is double-stranded, while RNA is single-stranded.

• DNA contains the sugar ribose, while RNA contains the sugar deoxyribose.

• DNA is single-stranded, while RNA is double-stranded.

• DNA uses the bases adenine (A), uracil (U), cytosine (C), and guanine (G), while RNA uses adenine (A), thymine (T), cytosine (C), and guanine (G).

• DNA uses the bases adenine (A), thymine (T), cytosine (C), and guanine (G), while RNA uses adenine (A), uracil (U), cytosine (C), and guanine (G).

What are the types of RNA?

• mRNA, DNA, rRNA

• mRNA, tRNA, rRNA

• DNA, mRNA, tRNA

• tRNA, rRNA, DNA

What are nucleotides?

• Elements found in the atmosphere

• Components of proteins

• Substances that make up carbohydrates

• Building blocks of DNA and RNA