Chapter 4 The Cell

Question 1

3 major parts of the cell

Answer 1

-Plasma Membrane (cell membrane)
-Cytoplasm contains(organelles)
-Nucleus

Question 2

envelops the cell

Answer 2

Plasma Membrane or cell membrane

Question 3

consists of functional subunits called organelles
& within a gel-like medium known as Cytosol

Answer 3

Cytoplasm

Question 4

contains the DNA

Answer 4

nucleus

Question 5

what are the cell parts?

Answer 5

-Plasma Membrane
-Cytoplasm( contains the cytosol & organelles)
-13 Organelles:
CCC,F,G,L,M,M,P,R,R,S,S
-Nucleus ( nuclear membrane, nucleolus, chromatin, nucleoplasm, nuclear pore)

Question 6

PHOSPHOLIPID BILAYER;
-provides a barrier by surrounding the cell
-regulates the movement of materials in and out of cell
-provides cellular communication

Answer 6

Plasma Membrane

Question 7

thick gel-like fluid
-transports substances between organelles

Answer 7

Cytosol

Question 8

formed bodies suspended within cytosol

Answer 8

Organelles

Question 9

cylinder with 9 groups of microtubules, 2 in each cell
-forms the MITOTIC SPINDLE during cell division

Answer 9

Centriole

Question 10

Long, Slender outward projections of plasma membrane
-PROPEL SUBSTANCES across a cell surface

Answer 10

Cilia

Question 11

Long, Whiplike, outward projection
-Moves a SPERM

Answer 11

Flagellum

Question 12

tiny outward folds
-Increase surface area for ABSORPTION
-provide a SENSORY DETECTION

Answer 12

Microvilli

Question 13

spherical structures composed of RNA and proteins attached to the ER
-SYNTHESIZES POLYPEPTIDES

Answer 13

Ribosome

Question 14

flattened sacs attached to ribosomes and continuous with the nuclear envelope
-SYNTHESIZES PROTEIN & SYNTHESIZES PLASMA MEMBRANE

Answer 14

Rough Endoplasmic Reticulum (ER)

Question 15

branching, tube shaped sacs lacking ribosomes and continuous with rough ER
-SYNTHESIZES LIPIDS & STORES CALCIUM

Answer 15

Smooth Endoplasmic Reticulum (ER)

Question 16

disc shaped stacks, like PANCAKES
-SYNTHESIZES CARBOHYDRATES
-PACKAGES PRODUCTS into lysosomes

Answer 16

Golgi complex (Golgi Apparatus)

Question 17

spherical or rod-shaped structure with an inner folded membrane
-SYNTHESIZES ATP thru AEROBIC RESPIRATION

Answer 17

Mitochondrion

Question 18

small spherical structure formed from the Golgi Apparatus
-uses ENZYMES to breakdown GLYCOGEN into GLUCOSE within cells

Answer 18

Lysosome

Question 19

small spherical structure formed in the ER
-uses ENZYMES to break down FATTY ACIDS & DETOXIFY ALCOHOL, drugs and free radicals

Answer 19

Peroxisome

Question 20

rods of protein
-supports cell STRUCTURE, cell movement, contraction

Answer 20

Cytoskeleton

Question 21

small spherical sac formed from Golgi complex
-EXOCYTOSIS

Answer 21

Secretory vesicle

Question 22

large spherical structure often the center of the cell

Answer 22

Nucleus

Question 23

-double membrane with large nuclear pores
_regulates movement of materials between cytoplasm and nucleoplasm

Answer 23

Nuclear Membrane

Question 24

gel like within nucleus contains Chromatin and nucleoli

Answer 24

Nucleoplasm

Question 25

small mass containing RNA and protein
-SYNTHESIZES RNA

Answer 25

Nucleolus

Question 26

threadlike material composed of DNA and proteins
-contains the GENES that control protein synthesis

Answer 26

Chromatin