Quiz 1

Question 1

a mature bone cell

Answer 1

osteocyte

Question 2

direct the formation of the mitotic spindle

Answer 2

centrioles

Question 3

organelle that detoxifies drugs and pesticides

Answer 3

smooth endoplasmic reticulum

Question 4

digest worn out organelles and foreign particles

Answer 4

lysosomes

Question 5

liquid matrix of blood

Answer 5

plasma

Question 6

synthesize proteins used within the cytoplasm

Answer 6

free ribosomes

Question 7

type of cell division used for growth and repair

Answer 7

mitosis

Question 8

period of cell growth

Answer 8

interphase

Question 9

cartilage cell

Answer 9

chromatin

Question 10

diffusion of water across a membrane

Answer 10

osmosis

Question 11

modifications of the plasma membrane that increase surface area for absorption

Answer 11

microvilli

Question 12

site of ribosome assembly

Answer 12

nucleolus

Question 13

reading the code on mRNA to make a protein

Answer 13

translation

Question 14

main lipid in the plasma membrane

Answer 14

phospholipid

Question 15

process of taking solid material into a cell

Answer 15

phagocytosis

Question 16

solution that would cause a cell to shrink

Answer 16

hypertonic solution

Question 17

tissue that forms the framework of the epiglottis

Answer 17

elastic cartilage

Question 18

phase of mitosis where chromosomes line up at the “equator”

Answer 18

metaphase

Question 19

modifies proteins received from the RER

Answer 19

golgi apparatus

Question 20

division of cytoplasm

Answer 20

cytokinesis

Question 21

organelles that synthesize most of the ATP used by a cell

Answer 21

mitochondria

Question 22

region where identical DNA molecules (sister chromatids) are together after replication

Answer 22

centromere

Question 23

unequal solute concentrations in 2 solutions separated by a membrane

Answer 23

concentration gradient

Question 24

molecules that add functionality to plasma membrane

Answer 24

proteins

Question 25

three base code on DNA

Answer 25

triplet

Question 26

synthesizes proteins to be secreted from cell

Answer 26

rough endoplasmic reticulum

Question 27

Epithelial Tissue

Answer 27

Tightly packed Regenerates quickly basement membrane

Question 28

Simple epithelial cells

Answer 28

One layer

Question 29

Stratified epithelial

Answer 29

2 ore more layers.

Question 30

Pseudostratified

Answer 30

One layer of cells. All cels touch the basement membrane but allcells dont reach the free surface.

Question 31

3 different shapes

Answer 31

Squamous Cuboidal Columnar

Question 32

Simple squamous Epithelium

Answer 32

Single layer of flat cells Commonly found in filtration and diffusion Locations, walls of the aveoli Capilary walls Lines the inside of blood vessels.

Question 33

Simple Cuboidal Epithlium

Answer 33

Single layer of cube shaped cells Locations, Ducks of the salivary glands and pacreas Most of the kidney tubes

Question 34

Simple Columnar Epithelium

Answer 34

Single layer of elongated cells Nuclei near basement membrane Goblet cells, ceretes mucis Locations, Microvilli, increase surface area for absorption Liing of the stomach and intestines.

Question 35

Pseudostratified Columnar Epithelium

Answer 35

Single layer, all cells touch basement membrane; nuclei at various levels. Cilia, commonly on apical surface Goblet cells: screte mucus Locations; Trachea, bonchi, nasal caviy, nasal sinuses.

Question 36

Stratified Squamous Epitelium

Answer 36

Many layers of cells Apical cells flattened cell of outer layers proect underlying layers against abrasion & infections Locations, Epidermis of the skins, mouth, vagina, esophagus, anal canal.

Question 37

Glandular Epithelium

Answer 37

Composed of cells that are specialized to produce an secree a product. Endocrine glands (hormones) Exocrine glands release products into the ducts that carry secretion to a free surface

Question 38

Extraculiar matrix

Answer 38

non living substance, fibers and ground substances

Question 39

Collagen fibers

Answer 39

Bundles of collagen (protein) Flexible, great tensile strength.

Question 40

Elastic Fibers

Answer 40

Composed of elastin (protien) Stretch easily; return to original shape.

Question 41

reticular fibers

Answer 41

Very thin collagen fibers form delicate supporting

Question 42

Bone Tissue (Osseous Tissue)

Answer 42

Extracellular matric contains abundant collagen finben fibers and mineral salts. Support body structures, protects organs, attachemtn sites for muscles, stores and releases minerals. Functional unit of compant bone: osteon Central canal: blood vessels and nerves Lamella: rings of matrix Osteocytes in lacunae Canaliculi: small tubes

Question 43

Hyaline Cartilage

Answer 43

Most abundant: Costal cartilage, articular cartilage. end of long bones where they form a joint. Chondrocutes in lacunae Fine collagen fibers in matrix

Question 44

Elastic Cartilage

Answer 44

Dense Networkd of Elastic Fibers in Matrix. Chondrocytes in lacunae More flexible than hyaline cartilage Frameworkd for pinna, epiglottis

Question 45

Dense, rRegular Connective Tissue

Answer 45

Densely packed, parallel collagen fibers; fibroblasts. Withstands pulling forces Ligaments and tendons

Question 46

Areolar Connective Tissue

Answer 46

Fibroblasts, Collagen and elastic fibers Beneath skin, between muscles and epithelial tissues Locations, between muscles, beneath the skin.

Question 47

Blood and Fat

Answer 47

Its conenctive tissue

Question 48

Skeletal Muscle issue

Answer 48

Cells(fibers) Long, cynlidrical, striated, multinucleated

Question 49

Cardiac Muscle Tissue

Answer 49

Cells are striated, short and brached, connected by intercalated discs Found onl in the heart, involutary control,

Question 50

SMooth Muscle issue

Answer 50

Spinged shaped cells, centrall located, nucleus, no striations Found in the walls of hollow organs