2.2 Quiz

Which of these surrounds a cell?

• cell wall and nucleus
• cell membrane and cell wall
• cytoplasm and cytoskeleton
• cell membrane and cytoplasm

What two characteristics do eukaryotes have that prokaryotes do not have?

• cell wall and ribosomes
• nucleus and genetic material
• membrane-bound organelles and nucleus
• membrane-bound organelles and genetic material

Lucy finds an unusual object on the forest floor. After examining it under a microscope and conducting several laboratory tests, she concludes that the object is a living thing. Which of these observations likely led her to this conclusion?

• The object contains carbon
• Lucy saw cells in the object
• The object was green
• Lucy saw minerals inside the object

Under a powerful microscope, Dan sees a cell organelle. The organelle has a double membrane, and the inner membrane is folded. In this part, energy from food is released into a form that cells can use. Which organelle does Dan see?

• Nucleus
• Ribosome
• Mitochondria
• endoplasmic reticulum

Jorge looks through a microscope and observes the cell structures on a slide. He concludes that the cells he sees are eukaryotes. Which of these structures did Jorge probably see before reaching that conclusion?

• Nulceus
• Cytoplasm
• Cell Membrane
• Genetic Material

Which of these organelles has a function similar to that of the digestive system?

• Nucleus
• Lysosome
• Mitochondria
• Golgi Apparatus

What are the three main ideas of the cell theory?

• Cells are made of atoms, cells can move, and all cells have membranes.
• All living things are made of cells, cells perform vital functions, and all cells come from other cells.
• Cells are large, some cells can see, and all cells have a nucleus.
• Cells live forever, all cells have the same shape, and cells do not change.

If you wanted to look at a dead cell with great magnitude, you would have to use a light microscope.

• True
• False

What do scientists use microscopes for?

Eukaryotic cells are ... Mark all that apply

• Bacteria
• Animal
• Plant