Bio Chp 7

plasma membrane

2

can magnify up to 500,000x and uses magnets

Dutch; discovered single-celled, animal like organisms

German; animal cells consists of individual cells

English; made simple microscope and also discovered "cellulae"

Prussian; all cells produced from division of existing cells

plants

thin, flexible boundary between a cell and its environment that allows nutrients into the cell and allows waste and other products to leave

1) all living made up of 1or> cells 2) cells are basic unit of structure of living organisms 3) cells arise from previously existing cells

energy from sunlight is trapped by chlorophyll

1) cell processes more efficient 2) membranes provide larger S.A. for cell processes to take place

the phospholipids can move sideways within the membrane

1) break down molecules to create energy 2) unicellular or multicellular 3) have organelles 4) have plasma membranes

1) break down molecules to create energy 2) lack organelles 3) no nuclei 4) unicellular 5) have plasma membrane

relaxed form of DNA in nucleus of cell

part of endoplasmic reticulum WITHOUT ribosomes

part of endoplasmic reticulum WITHOUT ribosomes

part of endoplasmic reticulum WITH ribosomes

membrane-bound vesicle for the temporary storage of materials

semi-fluid material inside the cell's plasma membrane

vesicle that contains digestive enzymes for the breakdown of excess or wornout cellular substances

flexible boundary that controls the movement of substances into and out of the cell

projections that aid in locomotion and feeding

membrane bound organelle that makes ENERGY available to cell (POWER HOUSE)

organelle that is the site of protein synthesis

framework for the cell within the cytoplasm

inflexible barrier that provides and support and protects the PLANT cell

projections from cell's surfaces that aid in locomotion and feeding; also used to move substances along

flattened stack of tubular membranes that modifies proteins and packages them for distribution outside the cell

organelles that occur in pairs and are important for cell division

double membrane organelle with thylakoids containing chlorophyll where photosynthesis takes place

energy-requiring process by which substances move across the plasma membrane against a concentration gradient

solution with SAME concentration inside and outside cell; cell maintains its shape

energy-requiring process by which a cell EXPELS wastes and secretes substances at the plasmamembrane

energy-requiring process by which large substances from the outside environment can ENTER a cell

diffusion of water across a selectively permeable membrane

passive transport of ions and small molecules across a plasma membrane by transport proteins

concentrations inside the cell is HIGHER than outside; cell SWELLS

concentration outside the cell is HIGHER than inside; cell SHRINKS