7.1 Life is Cellular Quiz Review

Who used a compound microscope to see chambers within cork and named them "cells"?

• Anton Van Leeuwenhoek

• Robert Hooke

• Matthias Schleiden

• Rudolf Virchow

What advance in technology made the discovery of cells possible?

• the centrifuge

• the particle accelerator

• the ultraviolet light

• the microscope

Which of the following is NOT a principle of the cell theory?

• Cells are the basic units of life.

• All living things are made of cells.

• Very few cells are able to reproduce.

• All cells are produced from existing cells.

Which of these is NOT true of cells?

• They are much like empty rooms.

• They were first discovered in the 1600's.

• They can be found in pond water.

• They contain a huge array of working parts.

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Electron microscopes can reveal details

• only in specimens that are still alive

• about the different colors of cell structures

• of cell structures only once they are stained

• 1000 times smaller than those visible in light microscopes

Which type of microscope can produce three-dimensional images of a cell's surface?

• transmission electron microscope

• scanning electron microscope

• simple light microscope

• compound light microscope

Colors seen in images made from electron microscopes are

• true to life

• the colors of electrons

• added to make certain structures easier to see

• added so scientists can trace living cells through the body

Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?

• The cell lacks a cytoplasm

• The cell lacks a cell membrane

• The cell lacks a nucleus

• The cell lacks genetic material

Which of the following enclose their DNA in a nucleus?

• prokaryotes

• bacteria

• eukaryotes

• viruses

Not all cells are alike. Which of the following is NOT a true statement about differences between cells?

• Cells come in many different shapes

• Different kinds of cells are different sizes

• Some cells have a nucleus, but others do not

• Most cells have a membrane, but some do not