WorksheetsLS5: Cell Structure and Function
Total questions: 15
Worksheet time: 8mins
An example of a prokaryotic cell is a _____ cell.
plant
fungi
bacteria
animal
Which of the following organisms do not have cell walls?
plants
fungi
bacteria
animals
Folded membranes are an advantage to a cell because
cell processes can be more efficient
the membranes provide a large surface area
the membranes form interconnected compartments
all of these
Who concluded that all plants are made of living cells?
Virchow
Hooke
Schwann
Schleiden
What do electron microscopes use to focus and magnify an image?
glass lenses
X rays
electromagnets
light
A major difference between a compound light microscope and a transmission microscope is that a light microscope image
requires thin slices
allows you to see fine detail of organelles
can be made from living, unstained materials
uses magnet lenses
Each of the following is a main idea of the cell theory except
all organisms are composed of cells
the cell is the basic unit of organization of organisms
all cells are similar in structure and function
all cells come from preexisting cells
The scientist who first described living cells as seen through a simple microscope was
van Leeuwenhoek
Schleiden
Hooke
Schwann
One advantage of electron microscopes over light microscopes is their
size
higher magnification
two-dimensional image
use of live specimens
If a cell contains a nucleus, it must be a(n)
plant cell
eukaryotic cell
animal cell
prokaryotic cell
Because the phospholipid molecules and some proteins are free to move, the plasma membrane is said to be a
bilayer
solid
fluid mosaic
fatty acid
A plasma membrane is made up of a(n)
cholesterol layer
enzyme bilayer
lipid bilayer
protein layer
Specialized cells are found only in
animals
single-celled organisms
bacteria
many-celled organisms
Which of the following is NOT a form of passive transport.
facilitated diffusion
diffusion
endocytosis
osmosis
If a cell is placed in salt water, water leaves cell by
osmosis
diffusion
active transport
phagocytosis
