Biology Midterm Quiz

Which of the following is an example of a human body system?

• Digestive system

• Cell membrane

• Ribosome

• Nucleus

What is a key difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus, eukaryotic cells do not

• Eukaryotic cells have a nucleus, prokaryotic cells do not

• Both have a nucleus

• Neither have a nucleus

Which cell structure is involved in protein synthesis?

• Nucleus

• Ribosome

• Mitochondria

• Cell wall

What is the primary function of the cell membrane?

• Energy production

• Genetic information storage

• Regulating the entry and exit of substances

• Protein synthesis

Why would a plant in darkness die?

• It cannot perform cellular respiration.

• It cannot perform photosynthesis.

• It cannot absorb water.

• It cannot absorb nutrients from the soil.

Which of the following is a function of carbohydrates?

• Store genetic information

• Provide energy

• Catalyze reactions

• Transport oxygen

Which biomolecule is primarily responsible for catalyzing reactions?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

What happens when a cell has unregulated cell division?

• It becomes more efficient.

• It may lead to cancer.

• It stops dividing.

• It performs photosynthesis.

What are the nitrogenous bases for DNA?

• A) Adenine, Thymine, Cytosine, Guanine

• B) Adenine, Uracil, Cytosine, Guanine

• C) Thymine, Uracil, Cytosine, Guanine

• D) Adenine, Thymine, Cytosine, Uracil

Which process involves the synthesis of proteins from RNA?

• A) Translation

• B) Replication

• C) Transcription

• D) Mutation