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Biology
cells
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Created by
Yasmin Younis
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Cards (44)
What type of cells are bacterial cells?
Prokaryotic
cells
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What are cells considered as?
Basic
building blocks
of life
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What defines cells as the basic building blocks of life?
Smallest unit of life
that can replicate
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What happens when bacteria cells divide?
They are also
reproducing
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What is the term for organisms made of many cells?
Multicellular
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What is the purpose of cell division in multicellular organisms?
Growth or replacing
dead cells
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What does the skin contain when observed under a microscope?
Skin cells
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How many different types of cells do humans contain?
Hundreds
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How many cells is it thought that an adult contains?
Over 40
trillion
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What is compared side by side to highlight similarities and differences?
Animal and plant cells
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What is another term for the different parts that make up the cell?
Subcellular structures
or
organelles
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What surrounds both animal and plant cells?
Cell membranes
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What is the function of the cell membrane?
Control which
substances
pass in and out
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What does the nucleus contain?
Genetic material
or
DNA
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What does the nucleus control?
Activities of the
cell
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What is the gel-like substance filling cells called?
Cytoplasm
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What do the subcellular structures sit in?
Cytoplasm
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Where do chemical reactions take place?
Cytoplasm
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What is the function of mitochondria?
Provide
cells
with energy
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What process do mitochondria use to release energy?
Aerobic respiration
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What do mitochondria break down to release energy?
Sugars like
glucose
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What is the function of ribosomes?
Protein synthesis
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What is meant by 'site of protein synthesis'?
Where
proteins
are made
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What extra structures do plant cells have?
Cell wall
,
vacuole
,
chloroplasts
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What is the rigid cell wall in plant cells made of?
Cellulose
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What is the function of the cell wall?
Provide
support
and structure
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Why is the cell wall's strength important?
To prevent
bursting
from water intake
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What does a permanent vacuole contain?
Cell sap
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What is cell sap a mixture of?
Sugars
,
salts
, and water
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What are chloroplasts the site of?
Photosynthesis
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What do plants use photosynthesis for?
To make sugars like
glucose
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What green substance do chloroplasts contain?
Chlorophyll
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What is the function of chlorophyll?
Absorbs
light energy
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What does chlorophyll do for plants leaves?
Makes them
green
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What term describes bacteria consisting of a single cell?
Unicellular
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What organelles are NOT found in bacteria cells?
Mitochondria
and
chloroplasts
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Where is the genetic material of bacterial cells located?
Free in the
cytoplasm
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What shape is the DNA in bacteria?
Circular strand
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What does the circular strand of DNA in bacteria contain?
Genes
for survival and reproduction
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What is another name for the circular strand of DNA in bacteria?
Circular chromosome or
nucleoid
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