Unit 1 Quiz Biology

Which of the following is NOT a type of biomolecule?

• Carbohydrates

• Proteins

• Lipids

• Metals

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NGSS.HS-LS1-1

Which of the following best describes a biomolecule?

• A molecule that is always inorganic

• A molecule that is produced by non-living organisms

• A large organic molecule produced by living organisms

• A molecule that cannot be broken down

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NGSS.HS-LS1-1

Which of the following statements is true about enzymes?

• A. They are always lipids

• B. They are changed by the reactions they catalyze

• C. They speed up reactions without being changed

• D. They store genetic information

What is the relationship between a codon and an amino acid?

• A. A codon stores amino acids

• B. A codon codes for an amino acid

• C. A codon breaks down amino acids

• D. A codon transports amino acids

What are lipids primarily used for in the body?

• Energy storage and insulation

• Building muscle

• Transporting oxygen

• Catalyzing reactions

Which two processes are included in protein synthesis?

• Replication and mutation

• Transcription and translation

• Glycolysis and fermentation

• Photosynthesis and respiration

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NGSS.HS-LS1-1

What is the role of ribosomal RNA (rRNA)?

• Coding for proteins

• Serving as subunits of ribosomes

• Storing genetic information

• Transporting amino acids

Which biomolecule class includes enzymes that perform many active functions of life?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

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NGSS.HS-LS1-1

Which process occurs after transcription in gene expression?

• Translation

• Replication

• Mutation

• Splicing

What is the main purpose of translation in gene expression?

• To copy DNA into mRNA

• To synthesize proteins from mRNA

• To replicate DNA

• To mutate genes

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NGSS.HS-LS1-6