Unit 4 Review: DNA, Cells, & Protein Synthesis

What is the mRNA sequence that pairs to the following DNA sequence GCTATATCG?

• CGAUAUAGC

• GCTATATCG

• UAGCUAUCG

• CGAUAUCGC

Which base pairs with Guanine (G)?

• Thymine (T)
• Adenine (A)
• Uracil (U)
• Cytosine (C)

Where is DNA found in a cell?

• DNA is found in the nucleus

• DNA is found in the mitochondria

• DNA is found in the cytoplasm

• DNA is found in the ribosomes

List the following in the correct order: translation, transcription, protein.

• translation, transcription, protein

• transcription, translation, protein

• protein, transcription, translation

• transcription, protein, translation

Which of the following best describes the function of each step in protein synthesis, including where the step happens in the cell and what you “start” and “end” with in each step?

• Transcription occurs in the nucleus, starting with DNA and ending with mRNA; Translation occurs in the cytoplasm, starting with mRNA and ending with a polypeptide chain.

• Transcription occurs in the cytoplasm, starting with mRNA and ending with DNA; Translation occurs in the nucleus, starting with a polypeptide chain and ending with mRNA.

• Transcription occurs in the nucleus, starting with mRNA and ending with DNA; Translation occurs in the cytoplasm, starting with a polypeptide chain and ending with mRNA.

• Transcription occurs in the cytoplasm, starting with DNA and ending with mRNA; Translation occurs in the nucleus, starting with mRNA and ending with a polypeptide chain.

Write the transcription and translation for the provided DNA sequence (it has already been replicated) DNA: TACGGTAAC.

• Transcription: AUGCCAUUG; Translation: Met-Pro-Leu

• Transcription: UACGGUAAC; Translation: Tyr-Gly-Asn

• Transcription: AUGGCCUUA; Translation: Met-Ala-Leu

• Transcription: UAGCCAUUG; Translation: Stop-Pro-Leu

What does mitosis result in?

• Two identical daughter cells

• Four different cells

• One identical cell

• Two different cells

Tags

NGSS.HS-LS1-4

A cell starts with 6 pairs of chromosomes. After performing mitosis, how many pairs of chromosomes will each daughter cell end up with?

• Each daughter cell will end up with 6 pairs of chromosomes.

• Each daughter cell will end up with 3 pairs of chromosomes.

• Each daughter cell will end up with 12 pairs of chromosomes.

• Each daughter cell will end up with 0 pairs of chromosomes.

Tags

NGSS.HS-LS1-4

Rosalind Franklin is known for her contributions to which scientific field?

• Physics

• Chemistry

• Biology

• Mathematics

A DNA sample was analyzed, the percentage of Guanine (G) is found to be 18%. What is the percentage of Cytosine (C)?

• 18%

• 32%

• 36%

• 82%