Science-Chapter 1; Cells: The Basic Unit of Life

Question 1

cell

Answer 1

the smallest unit that can perform all life processes

Question 2

cell membrane

Answer 2

a phospholipid layer that covers a cells surface

Question 3

organelle

Answer 3

structures that perform specific functions within the cell

Question 4

nucleus

Answer 4

the DNA that is enclosed inside an organelle

Question 5

prokaryote

Answer 5

single-celled organisms that do do not have a nuckeus or membrane-bound organelle

Question 6

eukaryote

Answer 6

an organism made up of cells that have a nucleus enclosed by a membrane

Question 7

cell wall

Answer 7

a rigid structure that gives support and protection to a cell

Question 8

ribosomes

Answer 8

organelles that make proteins

Question 9

endoplasmic reticulum

Answer 9

a system of folded membranes in which proteins, lipids, and other materials are made

Question 10

mitochondrion

Answer 10

the organelle in which sugar is broken down to produce energy

Question 11

golgi complex

Answer 11

the organelle that packages and distributes proteins

Question 12

vesicle

Answer 12

a small sac that surrounds material to be moved into or out of a cell

Question 13

lysosomes

Answer 13

a cell organelle that contains digestive enzymes

Question 14

tissue

Answer 14

a group of simular cells that perform a common function

Question 15

organ

Answer 15

a collection of tissues that carry out specialized function of the body

Question 16

organ system

Answer 16

a group of organs that work together to perform body functions

Question 17

structure

Answer 17

the arrangement of parts in an organism

Question 18

function

Answer 18

the special, normal, or proper activity of an organ or part