Lecture 6: Cells and Tissues cont.

Question 0

Organelles

Answer 0

Parts of cell that perform functions

Question 1

Cytosol

Answer 1

Liquid portion of cell

Question 2

Microfilaments

Answer 2

Inner framework

Question 3

Intermediate filaments

Answer 3

Stabilize position of organelles

Question 4

Microtubules

Answer 4

Help w/cell division, move vesicles

Question 5

Centrioles

Answer 5

2, involved with cell division

Question 6

Cilia and flagella

Answer 6

Made up of micro tubules and allow for movement

Question 7

rRNA

Answer 7

Involved with protein synthesis

Question 8

Rough ER

Answer 8

Has ribosomes, protein synthesis

Question 9

Smooth ER

Answer 9

No ribosomes, makes steroids and fatty acids

Question 10

Golgi apparatus

Answer 10

Receives, sorts and ships proteins

Question 11

Membrane vesicles

Answer 11

Insert things into membrane

Question 12

Transport vesicles

Answer 12

Move things around cell

Question 13

Lysosomes

Answer 13

Very acidic inside, have enzymes. Carry out intracellular digestion.

Question 14

Oxidase

Answer 14

Oxidation of amino acids and fatty acids (removal of H+)

Question 15

Catalase

Answer 15

Breaks down h2o2

Question 16

Mitochondria

Answer 16

Where ATP is made. Powerhouse of cell.

Question 17

Cristae

Answer 17

Folds (mitochondria), increase surface area=allow more ATP production

Question 18

Nucleus

Answer 18

Where DNA is located

Question 19

Nuclear envelope

Answer 19

Encases chromatin

Question 20

Nuclear pores

Answer 20

Allow things in and out (small molecules and ions)

Question 21

Nucleolus

Answer 21

Where ribosomes are made. Dense structure at center of nucleus.

Question 22

Desmosomes (anchoring junction)

Answer 22

Connects cells that are similar

Question 23

Gap junctions

Answer 23

Connects cytoplasm of two cells and allows passage of molecules

Question 24

Tight junctions

Answer 24

Prevent anything from leaking or passing between cells