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Cell biology
Cells
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Created by
Lilly-Anne Harvey
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Cards (24)
What are cells considered in biology?
Basic
building blocks
of life
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What is the smallest unit of life that can replicate independently?
Cells
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How do bacteria reproduce when they divide?
They produce a whole new
organism
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What distinguishes multicellular organisms from unicellular organisms?
Multicellular organisms contain
many
cells
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How many types of cells does an adult human contain approximately?
Over
40 trillion
cells
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What are subcellular structures also known as?
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?
Controls
substances
passing in and out
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What contains the genetic material of the cell?
Nucleus
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What is cytoplasm compared to?
Water filling a
water balloon
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What is the role of mitochondria in cells?
Provide energy through
aerobic respiration
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What do ribosomes do in a cell?
Site of
protein
synthesis
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What are the similarities and differences between animal and plant cells?
Similarities:
Both have
cell membranes
Both contain a
nucleus
Both have
cytoplasm
Both have
mitochondria
Both have
ribosomes
Differences:
Plant cells have a
rigid cell wall
Plant cells have a
permanent vacuole
Plant cells have
chloroplasts
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What is the cell wall made of in plant cells?
Cellulose
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What does the permanent vacuole contain?
Cell sap
(
sugars
, salts, water)
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What is the function of the cell wall in plant cells?
Provides
support
and
structure
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What is the role of chloroplasts in plant cells?
Site of
photosynthesis
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What green substance do chloroplasts contain?
Chlorophyll
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What do bacteria consist of?
A single
prokaryotic
cell
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What do bacterial cells lack compared to eukaryotic cells?
Mitochondria
and
chloroplasts
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How is bacterial genetic material organized?
Single
circular strand of
DNA
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What are plasmids in bacteria?
Small rings of DNA with extra
genes
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What is the function of flagella in bacteria?
Propel the bacteria for
movement
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How do prokaryotic cells differ from eukaryotic cells in terms of structure?
Prokaryotic cells lack a
nucleus
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