Cell structure and function

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Cell structure and function
I. The nature of cells A. Basic cell
features 1. cell membrane 2. DNA/ RNA/
ribosomes 3. protoplasm and cytoplasm B. Cell
theory II. Prokaryote cells III. Eukaryotic
cells A. Organelles B. The nucleus 1. nuclear
envelope 2. nucleolus 3. chromosomes C.
Endoplasmic reticulum and ribosomes D. Golgi
bodies E. Lysosomes F. Mitochondria and the
endosymbiont theory G. Plant cell components
chloroplasts and cell walls H. The
cytoskeleton I. Flagella and cilia
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I. The nature of cells
Cell (life) requirements
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A. Basic cell features
1. plasma membrane cell membrane
plasmalemma 2. DNA/ RNA/ ribosomes 3. cytoplasm
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Which of the following is NOT a feature of all
living cells? a. ribosomes b. nucleus c.
DNA d. cell membrane
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Which of the following comes closest to the size
of a typical cell? a. 50 nm b. 50 m c. 50
cm d. 50 um
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B. Cell theory
(well documented, explanatory principle)
1. All living systems are made of cells
Inductive reasoning
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B. Cell theory
2. All of lifes functions are cellular
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B. Cell theory
3. All cells come from pre-existing cells
Mitosis and meiosis
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III. Prokaryote cells
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III. Prokaryote cells
calcium
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Which of the following is NOT a tenet of the cell
theory? a. all living systems are made of
cells b. all physiology is cellular c. all
cells come from pre-existing cells d. all cells
are roughly the same size
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What is the basic difference between prokaryotes
and eukaryotes? a. prokaryotes are much smaller
than eukaryotes b. prokaryotes do not have
organelles c. prokaryotes do not have DNA d.
prokaryotes have ribosomes eukaryotes dont
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What type of logic is used predominantly in the
cell theory? a. deductive b. inductive c.
abductive d. constructive
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IV. Eukaryote cells
Domain Eukarya
A. Organelles B. The nucleus 1. nuclear
envelope 2. Nucleolus 3. Chromosomes C.
Endoplasmic reticulum and ribosomes D. Golgi
bodies E. Lysosomes F. Mitochondria and the
endosymbiont theory G. Plant cell components
chloroplasts and cell walls H. The
cytoskeleton I. Flagella and cilia
Plants
Protista
Fungi
Animals
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A. Organelles
little organs
Animal cells
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B. The nucleus
1. nuclear envelope2. nucleolus3. chromosomes
Histone proteins
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C. Endoplasmic reticulum and ribosomes
bleb
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D. Golgi bodies
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E. Lysosomes
Tay - Sachs
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F. Mitochondria and the endosymbiont theory
ATP
(Aerobic Respiration)
ribosomes
enzymes
DNA
Fission
Typhus
Living examples
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G. The cytoskeleton
H. Flagella and cilia
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With which of the following organelles does the
nucleus work most closely? a. lysosomes b.
mitochondria c. rough endoplasmic reticulum d.
Golgi bodies
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If a man had a disease that prevented the
formation of flagella, which one of the
following would be a problem for him? a.
breathing b. reproducing c. hearing d. moving
eggs through his oviducts
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We saw evidence that mitochondria evolved from
bacteria. What kind of reasoning was
involved? a. inductive b. deductive c.
intuitive d. circular
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I. Plant cells
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I. Plant cells

• chloroplast

Light Energy
(chlorophyll)
Photosynthesis

• cell walls-cellulose

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Which of the following organelles in NOT found in
plants? a. endoplasmic reticula b.
mitochondria c. Golgi bodies d. lysosomes
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Which of the following organelles does NOT have
its own DNA? a. rough endoplasmic reticulum b.
mitochondrion c. chloroplast d. nucleus e.
more than one of these
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The end