DNA & Protein Synthesis Review

During transcription the genetic information in DNA is converted into _____?____

• DNA

• amino acids

• mRNA

• tRNA

Process B from the image is called __________.

(click image to enlarge)

• A. DNA replication

• B. transcription

• C. translation

• D. mitosis

DNA replication ensures that newly formed cells have which of following?

• A. two different copies of the original cell’s DNA

• B. adequate ATP to power cell processes

• C. an identical copy of the original cell’s DNA

• D. identical copies of lipids in plasma membrane

How many nitrogen bases are found in one mRNA codon?

• a. 1

• b. 2

• c. 3

• d. 4

8. During DNA replication, a DNA strand that has the bases TATCGG produces a strand with the bases

• a. AUAGCC.

• b. ATAGCC.

• c. UAUCGG.

• d. TATCGG.

The base uracil (U) is only found in ?

• A. DNA

• B. RNA

• C. proteins (polypeptides)

• D. all of the above

The base thymine (T) is only found in ?

• A. DNA

• B. mRNA

• C. proteins (polypeptides)

• D. all of the above

11. DNA (genes) contain instructions for assembling

• A. proteins
• B. nucleosomes
• C. lipids
• D. carbohydrates

if #3 is DNA, what structure does #4 represent?

• A. tRNA

• B. nucleus

• C. ribosome

• D. mitochondria

A section of DNA is: TCG-ATA-TCC. Which sequence shows the result of transcription (mRNA) for the DNA above?

• A. AGC TAT AGG

• B. UCG AUA UCC

• C. TCG ATA TCC

• D. AGC UAU AGG