Which statement best distinguishes eukaryotic cells from prokaryotic cells?

• Eukaryotic cells lack a nucleus; prokaryotic cells have one

• Eukaryotic cells have a nucleus and membrane-delimited organelles; prokaryotic cells lack both

• Prokaryotic cells contain many membrane-delimited organelles; eukaryotic cells do not

• Both eukaryotic and prokaryotic cells have nuclei but differ in size

Which of the following groups are classified as eukaryotic organisms?

• Bacteria and archaea

• Plants, fungi, animals, and protists

• Viruses only

• Bacteria, plants, and animals

Prokaryotic cells belong to which domains of life according to the material?

• Plants and fungi

• Animals and protists

• Bacteria and archaea

• Protists and animals

In the provided image caption, Paramecium aurelia is identified as a protist. Based on the material, which cellular classification does this imply?

• Prokaryote

• Virus

• Eukaryote

• Bacterium

Which feature is present in eukaryotic cells but absent in prokaryotic cells, as emphasized in the section?

• Cell membrane

• Ribosomes

• Nucleus and membrane-delimited organelles

• Cytoplasm

Most protists are described as which of the following?

• Multicellular organisms

• Unicellular organisms

• Prokaryotic bacteria

• Archaea

The course BIOL 100 will focus on which major cell type?

• Prokaryotic cells

• Eukaryotic cells

• Only bacterial cells

• Only archaeal cells

Which development in the 1600s was fundamental to revealing the importance of cells in biology?

• The invention of DNA sequencing

• Work with early light microscopes

• Discovery of antibiotics

• The first electron microscope

Who produced an early drawing of plant tissue compartments called “cellulae” and published it in Micrographia (1665)?

• Anton van Leeuwenhoek

• Matthias Schleiden

• Robert Hooke

• Rudolf Virchow

What key advantage did new types of microscopes, such as the electron microscope (starting in the 1950s), provide to biologists?

• Ability to culture cells faster

• More detailed views of cells

• Direct measurement of DNA sequences

• Observation of only living cells