Name_______________________________________________________________________Date _________
Science Unit 2: Part 2 Cell Processes
HR ___________
A plant cell and an animal cell are shown below.
1. ________Which conclusion can be made from these diagrams?
(1) Plant and animal cells interact to make new organisms.
(2) Plant and animal cells are similar in the way they grow and divide.
(3) Animal cells require oxygen to release the energy stored in food while plant cells do not.
(4) Nerve cells are present in plant and animal cells.
2. _________ Which life process is associated with the mitochondrion?
(1) digestion
(3) respiration
(2) reproduction
(4) photosynthesis
3. ________In which process is oxygen used to release the energy in found in food?
(1) protein synthesis
(3) photosynthesis
(2) diffusion
(4) respiration
4. ________ In multicellular organisms, cell division is required for growth and
(1) circulation
(3) repair
(2) locomotion
(4) respiration
5. ________ In a one-celled organism, cell division is responsible for
(1) growth and maintenance (3) asexual reproduction
(2) sexual reproduction
(4) production of sex cells
6. ________A plant forms new tissue at the tips of its roots and stems. This new tissue growth is a direct result
of
(1) circulation
(3) cellular respiration
(2) coordination
(4) cell division
7. ________ Growth and repair in multicellular organisms are the result of
(1) excretion
(3) cell division
(2) locomotion
(4) decomposition
8. _________ Which condition is the result of abnormal cell division?
(1) cancer
(3) infection
(2) pregnancy
(4) extinction
9. ________ Which disease is a result of abnormal cell division?
(1) AIDS
(3) chicken pox
(2) cancer
(4) common cold
10. ________What is the result of cellular respiration?
(1) Energy for cell processes is released.
(2) Oxygen is released for photosynthesis.
(3) Cells undergo decomposition.
(4) Nutrients are excreted to prevent the buildup of body fat.
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Vocabulary
Definition
Diffusion
The movement of a substance
across a membrane from an
area of high concentration to an
area of low concentration
Osmosis
Diffusion of water
Active Transport
The movement of a substance
across a membrane in which
energy is used
(usually from low
concentration to high
concentration)
Allows a substance to enter or
exit
Permeable
Examples / Notes / Pictures
Semi-permeable
Only allows certain substances
to enter or exit
Impermeable
Does not allow any substance
to enter or exit
Cancer
Abnormal cell growth
Photosynthesis
The process by which plants
capture light energy and
transfer it into stored chemical
energy
Carbon dioxide and water into chloroplasts
and oxygen and glucose out
Respiration
The process in which oxygen is
taken into an organism and is
used to produce energy
The process by which a cell
divides
(only body cells NOT sex cells)
Oxygen and glucose into mitochondria and
carbon dioxide and water out
Chromatid
Pair of chromosomes,
threadlike coil of chromosomes
(looks like a propeller)
These are two chromatids (sister chromatids)
Centromere
The centralized region joining
two sister chromatids.
Haploid (1n)
Cell that has one set of
chromosomes (sex cells)
Diploid (2n)
Cell that has two sets of
chromosomes, one inherited
from each parent (body cells)
Mitosis
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Meiosis
Cell division that produces
gametes (sex cells)
Gametes
Sex cells
Cell Processes
Photosynthesis and Cellular Respiration
They are known as opposite reactions.
Substances that one process _________________________________ the other process __________________
The ________________________ of one process are the __________________________ of the other process.
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Active Transport
___________________________________________
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5
Stages are just like Mitosis, but then……….
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