biology jeopardy ch 3 review zapwhoa!!yikesmisc.what?ouch 111111 222222 333333 444444 555555
TRANSCRIPT
Biology Jeopardy Ch 3 Reviewzap Whoa!! Yikes Misc. What? ouch
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To function most efficiently, a cell must be
Small in size. Why?
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As cell size increases, the surface-area-to-volume ratio
decreases.
3
The size to which a cell can grow is limited by its
surface area.
4
Surface area is an important factor in limiting cell growth
because
the cell may become too large to take in enough food and to
remove enough wastes.
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When the volume of a cell increases, its surface area
increases at a slower rate.
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The smallest units of life are
cells
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A microscope with a 4x objective lens and a 20x
ocular lens produces a total magnification of
80x
8
Fuzzy images viewed with a microscope may be due to
poor
resolution.
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A cell that requires a lot of energy might contain large
numbers of
mitochondria.
10
The image produced by a microscope is called
a micrograph.
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The metric system of measurement is based on
powers of
10.
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Only eukaryotic cells have
membrane-bound organelles.
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A structure within a eukaryotic cell that performs a specific
function is called a(n)
organelle.
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The packaging and distribution center of the cell is
the
Golgi apparatus.
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In a cell, proteins are made on the
ribosomes.
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Plant cells have a large membrane-bound space in
which water, waste products, and nutrients can be stored.
This space is called the
vacuole.
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This term refers to: surrounds cell membrane and provides
support
cell wall
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The double membrane surrounding the nucleus is
called the
nuclear envelope.
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Phospholipids are molecules that
channel proteins.
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Which type of molecule forms a lipid bilayer within a cell
membrane?
phospholipid
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This term refers to: single celled organisms that lacks a
nucleus and other internal components
prokaryote
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system of internal membranes that move proteins and other
substances throughout the cell
endoplasmic reticulum
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in plants, organelles that use light to make organic
compounds
chloroplasts
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Smooth ER lacks
ribosomes
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True of false: Chloroplasts have DNA that is different
from nuclear DNA.
true
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True of false: As a cell gets larger, its surface-area-to-volume ratio decreases.
true
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True of false: A phospholipid is a lipid made of a
phosphate group and two fatty acids.
true
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True of false: Ribosomes are the sites of ATP production.
false
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True of false: Most of a cell’s ATP is produced in the
cell’s mitochondria.
true
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True of false: Mitochondria contain DNA.
true
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