Organelles

Question 1

Plasma membrane

Answer 1

Cell boundaries, governs interactions with other cells, controls passage of materials, lipid bilayer with proteins embedded

Question 2

Integral proteins

Answer 2

Transmembrane proteins pass completely through

Question 3

Peripheral proteins

Answer 3

Adhere to one face of the membrane

Question 4

Nucleus

Answer 4

Control center of the cell, contains DNA

Question 5

Nucleolus

Answer 5

Site where ribosomes are produced

Question 6

Nuclear Envelope

Answer 6

double membrane between the nucleus and cytoplasm

Question 7

Nuclear pore

Answer 7

opening embedded with proteins that regulates passage into and out of the nucleus

Question 8

Ribosomes

Answer 8

small complexes of RNA and protein that are the sites of protein synthesis

Question 9

Peroxisome

Answer 9

vesicle that contains enzymes that carry out particular reactions, such as detoxifying potentially harmful molecules

Question 10

Golgi Complex

Answer 10

Collects, packages, and distributes molecules manufactured in the cell

Question 11

Lysosome

Answer 11

vesicle that breaks down macromolecules and digests worn out cell components

Question 12

Secretory vesicle

Answer 12

vesicle fusing with the plasma membrane, releasing materials to be secreted from the cell

Question 13

Mitochondrion

Answer 13

organelle in which energy is extracted from food during oxidative metabolism

Question 14

Cytoplasm

Answer 14

semifluid matrix that contains the nucleus and other organelles

Question 15

Centriole

Answer 15

complex assembly of microtubules that occurs in pairs

Question 16

Cytoskeleton

Answer 16

supports organelles and cell shape and plays a role in cell motion

Question 17

Microtubule

Answer 17

tube of protein molecules present in cytoplasm, centrioles, cilia, and flagella

Question 18

Intermediate filament

Answer 18

intertwined protein fibers that provide support and strength

Question 19

Actin filament

Answer 19

twisted protein fibers that are responsible for cell movement

Question 20

Smooth endoplasmic reticulum

Answer 20

system of internal membranes that aids in the manufacture of carbohydrates and lipids

Question 21

Rough endoplasmic reticulum

Answer 21

internal membranes studded with ribosomes that carry out protein synthesis