Lab 3 - Microscopy and Cells

1) All: CCDPR

cytoplasm, cytoskeleton, DNA, plasma membrane, ribosomes

2) Bacteria: CFNP

capsule, flagellum, nucleoid, pili

3) Plants: CCCP

cellulose cell wall, central vacuole, chloroplasts, plasmodesmata

4) Animals: CEV

centrioles, extracellular matrix, vacuole

5) Bacteria & Plants: CP

cell wall, plasmids

6) Plants and Animals: GLMPSV

Golgi bodies, lysosomes, mitochondria, peroxisomes, S & R ER, vesicles

7) Bacteria & Animals: NN

no chloroplasts, no central vacuole

cell theory

all living things are:

1) composed of cells

2) cells are the basic units of life

3) come from existing cells

prokaryotes: bacteria & archaea

1) lack nucleus (have nucleoid)

2) lack true organelles

3) smaller

4) cell wall (peptidoglycan)

eukaryotes: plant & animal

1) have nucleus

2) many true organelles

3) bigger

4) no cell wall in animals

5) cellulose cell wall in plants

cytoplasm

cell jelly surrounding organelles

cytoskeleton

1) microfilaments (form cellular cortex, fibrous proteins)

2) intermediate filaments (hold organelles in place, fibrous proteins)

3) microtubules (form mitotic spindle, maintain cell shape)

centrosome

microtubule-organizing center

capsule

bacterial shield

flagellum

bacterial movement and locomotion through liquid

nucleoid

bacterial region of chromosomal DNA

pili

bacterial sticky hairs connecting with other cells

central vacuole

maintains pressure against cell wall

chloroplasts

site of photosynthesis

plasmodesmata

channels connect two plant cells

centrioles

organize fibers for cell division

extracellular matrix

supports and holds cells together

vacuole

stores water, nutrients, and waste

plasmids

stores pigment

golgi bodies

modifies proteins

lysosomes

digests food

peroxisomes

metabolizes waste

smooth ER

makes lipids

rough ER

has ribosomes, makes secretory and membrane proteins

vesicles

transport or store substances