What type of microscope can
reveal details1000 times
smaller than those visible in
light microscopes.
Electron microscopes
Name an organisms
classified as a
prokaryotes.
bacteria
An ____________is a
group of organs that work
together to perform a
specific function.
organ system
A group of similar cells that
perform a particular
function is called
tissue
Which organelle would you
expect to find in plant cells
but not animal cells?
chloroplast
All cells contain 3 things.
What are they
Genetic material (DNA), Cell
membrane and cytoplasm
Which means of particle transport
requires input of energy from the
cell?
active transport
What structures are involved in
cell movement?
microtubules and microfilaments
Who used a compound
microscope to see chambers
within cork and named
them “cells”?
Robert Hooke
Unlike the cell membrane,
the ____________is a rigid
structure.
cell wall
__________ occurs
because molecules
constantly move and
collide with each other.
diffusion
What type of microscope
can produce threedimensional images of a
cell’s surface?
scanning electron microscope
What term describes the relatively
constant internal physical
conditions of an organism?
homeostasis
German physician, who
concluded that new cells
can be produced only from
the division of existing
cells.
Rudolf Virchow
The function of the
________________regulate
s the movement of materials
into and out of the cell
cell membrane
Which organelle converts the
chemical energy stored in food
into compounds that are more
convenient for the cell to use?
mitochondrion
What advance in
technology made the
discovery of cells
possible?
the microscope
German botanist, who
concluded that all
plants are made of
cells.
Matthias Schleiden
He used a simple microscope to
observe pond water and saw
microorganism under greater
details.
Anton van Leeuwenhoek
function of the
___________helps a cell
keep its shape
cytoskeleton
The primary function of the
____________ is to support
and protect the cell.
cell wall
The cell membrane contains
channels and pumps that help
move materials from one side
to the other. What are these
channels and pumps made of?
proteins
Which organelle breaks down
organelles that are no longer
useful?
lysosome
Which 2 organelles are
involved in energy conversion?
mitochondria and chloroplasts
list the levels of organization
in a multicellular organism
from the simplest level to the
most complex level?
cell, tissue, organ, organ system
The diffusion of water across a
selectively permeable membrane is
called
osmosis
Which structure makes
proteins using coded
instructions that come from
the nucleus?
ribosome
Ribosomes that synthesize
proteins are found on the
__________ endoplasmic
reticulum.
rough
A ______________microscope
allows light to pass through a
specimen and focuses it using
two lenses to form an image.
light
Moving materials from an
area of low concentration to
an area of high
concentration requires
______ transport.
active
What are the three major principles
of the cell theory?
1. All living things are made up of cells.
2. Cells are the basic units of structure and
function in living things.
3. New cells are produced from existing
cells.
What provides the energy for
active transport to take place?
ATP
Adenosine triphosphate
Describe the arrangement of the
molecules in the phospholipid
bilayer of the cell
membrane.(include hydrophilic
and hydrophobic)
The molecules are arranged in a double layer. The
phosphate heads of the molecules form the outer
surfaces and are hydrophilic( water-liking, and the fatty
acid tails form the inner part of the membrane and are
hydrophobic (water-fearing).