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Transcript
Chapter 7 Review
Cells
Question?
 Cells
are grouped into two
categories. What is the main
difference between the two
groups?
Answer:
 Eukaryotes
contain a nucleus and
prokaryotes do not.
Question?
 Which
organelle makes proteins
using coded instructions that
come from the nucleus?
Answer:
 Answer:
ribosomes
Question?
 Which
organelle converts the
chemical energy in food into
compounds that are more
convenient for the cell to use?
Answer:
 mitochondrion
Question?
 What
is a function of the cell
membrane?
Answer:
 It
regulates what comes in and
out of the cell.
Question?
 Which
organelles are unique to
plant cells?
Answer
Choloroplast, cell wall
Question?
 Which
organelle breaks down
compounds into small particles
that the cell can use?
Answer:
 lysosome
Question?
 The
cells of multicellular
organisms are…….
Answer:
 Specialized
function.
to perform a specific
Question?
 An
organ system is a group of
organs that…..
Answer:
 Work
together to perform a
specific function.
Question?
A
group of similar cells that
perform a particular function is
called a(an)….
Answer:
 tissue
Question
 Describe
two roles that bacteria
have in the environment.
Answer:
 Some
capture energy for
photosynthesis, break down
nutrients in dead matter, etc….
Question?
 Explain
in terms of osmosis,
why a raisin placed in a cup of
pure water overnight will puff up
with water?
Answer:
 The
water will move into the
raisin because there is a higher
concentration of water on the
outside, so it will move inside.
Question?
 What
can a vaccine do when it is
injected into the body?
Answer
 It
prompts the body to produce
immunity to the disease.
Question?
A
typical virus is composed of ?
Answer
A
core of DNA or RNA
surrounded by a protein coat.
Question?
 Diffusion
is?
Answer
 The
movement of particles from
and area of high concentration
to an area of low concentration.
Question?
 Antibiotics
can……..
are compounds that
Answer
 Block
the growth and
reproduction of bacteria.
Question?

If you wash your hands properly, ordinary soaps do
a good job of removing
Answer
 bacteria
Question?
 Viruses
have more difficulty
entering plant cells than animal
cells because
Answer
 Plant
cells have tough cell walls.
Question?
 What
does the cell theory state?
Answer
 All
living things are composed of
cells.
 Cells
are the basic units of
structure and function.
 All
cells come from existing cells.
Question?
 What
are the four levels of
organization in the human body
from simplest to most complex?
Answer
 Cells
 Tissue
 Organs
 Organ
systems
Question?
 Why
are viruses not considered
to be living things?
SARS
Virus
Answer
 They
need to have a host cell in
order to reproduce/live.