CFU#4 Practice

Was the first person to see cells by looking at cork under a microscope and gave them their name

• Hooke

• Leeuwenhoek

• Virchow

• Schleiden

The smallest unit of life

• cells

• atoms

• quarks

• tissues

Which statement is a part of the cell theory?

• all cells come from preexisting cells
• bacteria are prokaryotic cells
• eukaryotic cells are complex
• humans are multicellular

What are 3 structures that all cells have?

• cell membrane

• cytoplasm

• DNA

• chloroplast

• nucleus

A single-celled organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane -bound organelle .

• Prokaryote
• Eukaryote

How are eukaryotic cells different from prokaryotic cells?

• Eukaryotic cells have nuclei; prokaryotic cells don't

• Eukaryotic cells are microscopic; prokaryotic cells are not

• Eukaryotic cells contain genetic material; prokaryotic cells don't

• Eukaryotic cells include bacteria; prokaryotic cells don't Prokaryotic

Organisms composed of many cells are called

• Prokaryotic

• Bacteria

• Unicellular

• Multicellular

Which organelle is used as temporary storage for water, waste products, food, and other cellular material?

• mitochondrion

• lysosome

• centriole

• vacuole

Which organelle captures the energy from sunlight and converts it to chemical energy, and in which cells could it be found?

• the Golgi apparatus, which can be found in lung cells of animals

• lysosomes, which can be found in all cells of grasses

• ribosomes, which can be found in muscle cells of humans

• chloroplasts, which can be found in leaf cells of trees

Which is a tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells?

• cell wall

• centriole

• nucleus

• cell membrane