Unit 1 Review

There are no membrane-bound organelles found in

• eukaryotes
• animal cells

• prokaryotes
• plant cells

What organelle is #1 identifying?

• Ribosome

• Mitochondria

• Nucleus

• Golgi body

Viruses are considered living

• True

• False

Viruses and Cells have genetic information

• True

• False

Which labeled viral structure in the diagram attaches the virus to the host cell?

• Collar

• Sheath

• Baseplate

• Long Tail fibers

Scientists observe the traits of cells on four microscope slides and record their observations in a table. Based on the scientists' observations, all of the cells have a nucleus. Which cell types is he viewing?

• Prokaryotic cells

• Eukaryotic cells

The cell theory has three main statements.Which of the following is not part of the cell theory?

• All living things are made of cells.

• Cells are the basic functional unit of life.

• Cells come from pre-existing cells.

• Cells come from spontaneous generation.

Which theory states that current cell organelles like mitochondria and chloroplasts were once prokaryotic cells consumed by other eukaryotic cells.

• Cell Theory

• Endosymbiotic Theory

• Evolution Theory

A scientist is reviewing a cell under a microscope. The scientist notes the cell has ribosomes, mitochondria, a nucleus, and other organelles. Is this cell a eukaryote or a prokaryote?

• This is a prokaryote because it has ribosomes that synthesize proteins.

• This is a eukaryote because it has a nucleus.

• This is a prokaryote because it has a cell wall.

• This is a eukaryote because only eukaryotes have cell walls.

Carbohydrates provide quick energy for a cell

• True

• False