Protein Synthesis & Mutations

Lipids, carbohydrates, and DNA all exist in human cells as long molecular chains. Which of the following describes how DNA differs from lipids and carbohydrates?

• Only DNA has carbon atoms.

• Only DNA is found in the cytoplasm.

• Only DNA is needed to create new cells.

• Only DNA contains genetic information.

Tags

NGSS.HS-LS3-1

The stored information in DNA codes for which of the following?

• Proteins

• simple sugars

• mitochondria when energy is needed

• large vacuoles when nutrients are abundant

Tags

NGSS.HS-LS1-1

A DNA sequence is shown below.

TAGGAGCAT

What is produced when the sequence is transcribed?

• a chain of three amino acids

• a set of three tRNA molecules

• a section of DNA with the base sequence ATCCTCGTA

• a section of mRNA with the base sequence AUCCUCGUA

Which molecule typically has a double helix shape or double stranded?

• DNA

• Cellulose

• Glucose

• tRNA

Tags

NGSS.HS-LS1-1

The diagram below represents structures and processes involved in protein synthesis in an animal cell. Four parts of the diagram are labeled W, X, Y, and Z.

Which part of the diagram represents transcription?

• W

• X

• Y

• Z

Tags

NGSS.HS-LS1-1

An enzyme moves along a strand of DNA and produces a new nucleic acid strand. Part of the new strand is shown below. Which of the following cellular processes created the new strand?

GUACUCGGCAAUUUCGCA

• Replication

• Active Transport

• Translation 

• Transcription

An enzyme moves along a strand of DNA and produces a new nucleic acid strand. Part of the new strand is shown below. What type of molecule was made??

GUACUCGGCAAUUUCGCA

• DNA

• RNA

• Protein

• Amino acids

A section of DNA is shown. 

3'–TCG ATA TCC–5'

Which sequence best shows the result of transcription for the section of DNA?

• AGC TAT AGG

• UCG AUA UCC

• TCG ATA TCC

• AGC UAU AGG

The model shows how the enzyme lactase is produced by a cell.

How would you define the molecule positioned next to the blue box on the top?

• ATP

• DNA

• Glucose

• RNA

Tags

NGSS.HS-LS1-1

The model shows how the enzyme lactase is produced by a cell.

How would you define the molecule positioned next to the blue box on the bottom?

• ATP

• DNA

• Glucose

• RNA

Tags

NGSS.HS-LS1-1