DNA and Protein Synthesis Unit Study Guide 10-22-25

What is melanin?

• A protein pigment that absorbs and reflects light
• A protein that is waterproof and tough
• A cell found in the epidermis
• A vitamin that helps you sleep

Which process is represented by Letter B in the diagram?

• DNA Replication

• Transcription

• Translation

• Cell Division

Which letter in the diagram represents the phosphate group in a DNA nucleotide?

• A

• B

• C

• D

Transcription (DNA to RNA): Please select the new RNA bases that would pair with the partial DNA strand CCA.

• TGA

• GGU

• ACU

• UCU

Translation (RNA to protein): What amino acid would be created by the following RNA codon? ACU

• Thr (T)

• His (H)

• Arg (R)

• Pro (P)

Traveling away from the equator, what happens in general to the amount of UV intensity?

• The intensity decreases.

• The intensity increases

• The intensity stays the same.

• It is impossible to predict.

Which statement best describes how to use the base pairing rule for DNA replication?

• The new strand of DNA should only have thymine to pair with adenine from the original DNA.

• The new strand of DNA can have both thymine and uracil as possible bases.

• The new strand of DNA should only have uracil to pair with adenine from the original DNA.

• None of the above.

Which answer is more appropriate?

• Traits are good or bad.

• Traits can be harmful or hurtful depending on the environment.

• Traits are always helpful or hurtful, regardless of the environment.

• Traits are helpful or bad.

Which process is represented by Letter A in the diagram?

• DNA Replication

• Transcription

• Translation

• Protein Folding

What is the process of making a copy of DNA called?

• Replication

• Transcription

• Translation

• Amino Acid Synthesis