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

I. The nature of cells Cell (life) requirements

A. Basic cell features 1. plasma membrane = cell membrane = plasmalemma 2. DNA/ RNA/ ribosomes 3. cytoplasm

Which of the following is NOT a feature of all living cells? a. ribosomes b. nucleus c. DNA d. cell membrane

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

B. Cell theory 1. All living systems are made of cells (well documented, explanatory principle) Inductive reasoning

B. Cell theory 2. All of life’s functions are cellular

B. Cell theory 3. All cells come from pre-existing cells Mitosis and meiosis

III. Prokaryote cells Domain BacteriaDomain Archaea

III. Prokaryote cells calcium

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

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 don’t

What type of logic is used predominantly in the cell theory? a. deductive b. inductive c. abductive d. constructive

IV. Eukaryote 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 ProtistaFungi Animals Plants Domain Eukarya

A. Organelles Animal cells ‘little organs’

B. The nucleus 1. nuclear envelope 2. nucleolus 3. chromosomes Histone proteins

C. Endoplasmic reticulum and ribosomes bleb

D. Golgi bodies

E. Lysosomes Tay - Sachs

F. Mitochondria and the endosymbiont theory ATP ribosomes enzymes DNA Typhus Living examples (Aerobic Respiration) Fission C 6 H 12 O 6 + 6O 2 6CO 2 + 6H 2 O

G. The cytoskeleton H. Flagella and cilia

With which of the following organelles does the nucleus work most closely? a. lysosomes b. mitochondria c. rough endoplasmic reticulum d. Golgi bodies

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

We saw evidence that mitochondria evolved from bacteria. What kind of reasoning was involved? a. inductive b. deductive c. intuitive d. circular

I. Plant cells

cell walls-cellulose 6CO 2 + 6H 2 O C 6 H 12 O 6 + 6O 2 chloroplast Light Energy(chlorophyll) Photosynthesis:

Which of the following organelles in NOT found in plants? a. endoplasmic reticula b. mitochondria c. Golgi bodies d. lysosomes

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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