Chapter 2 Self-test questions

. Which of the following is a common feature of all cells?

Intracellular organelles.

A lipid cell membrane.

A nuclear membrane.

An RNA genome.

. What are the three main evolutionary branches of organisms?

Bacteria, animals, and plants.

Bacteria, archaea, and eukaryotes.

Bacteria, viruses, and eukaryotes.

Prokaryotes, eukaryotes, and protozoa.

. What is the main difference between prokaryotes and eukaryotes?

Prokaryotes cannot undergo cell division.

Prokaryotes have no internal membranes.

Prokaryotes have no DNA.

Prokaryotes have no cytosol.

. The cell wall of bacteria such as E. coli consists of:

cellulose.

membrane lipids.

peptidoglycan.

protein.

. Which of the following best describes the function of rough endoplasmic reticulum in eukaryotic cells?

Processing and packaging proteins into transport vesicles for delivery to the Golgi apparatus.

Synthesis of new membrane lipids.

Synthesis of proteins.

Synthesis of ribosomes.

. What is the main function of the smooth endoplasmic reticulum in eukaryotic cells?

It generates energy to drive other biochemical processes.

It is the site of the modification of proteins following their translation from RNA.

It synthesises proteins using RNA as a template.

It is the site of destruction of unwanted biological materials.

. Which eukaryotic cellular organelles are believed to have evolved from symbiotic bacteria?

Endoplasmic reticulum and the Golgi apparatus.

Lysosomes.

Mitochondria and chloroplasts.

Peroxisomes.

. Which of the following best describes the main function of lysosomes in eukaryotic cells?

ATP production.

Breakdown of unwanted materials.

Photosynthesis

Protein synthesis.

. Which term describes the process of cell division in bacteria?

Binary fission.

Conjugation.
Incorrectt

Mitosis.

Meiosis.

. Pluripotent cells are those that:

are terminally differentiated.

can differentiate into a limited range of cell types.

can differentiate into any cell type.

constitute all the cells of the body except the germ cells.

. Which of the following is a typical feature of viruses?

3,000-4,000 genes.

A genome that may be single or double-stranded DNA or RNA.

The ability to replicate independently.

The ability to synthesize ATP.

. Which of the following does not give effective protection against viral infection?

Antibiotics.

Chemically made drugs.

The immune system.

Vaccination.

Chapter 2 Self-test questions

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