Chapter 5 Part 1

Question 1

Three tenets of the original cell theory

Answer 1

-cells are the fundamental units of life, smallest unit in which something can be living.
-all organisms are composed of ___
-All cells come from ______

Question 2

As a cell gets larger

Answer 2

volume increases faster than SA

Question 3

As Volume increases

Answer 3

chem activity increases along with need for resources and waste removal

Question 4

Resources coming in and waste out limits

Answer 4

SA

Question 5

Roles of membrane

Answer 5

-selectively _____ barrier
-allows cells to maintain ______
-important in _____ and receiving ____
-Has proteins for _____ and _____ to adjacent cells

Question 6

Prokaryotic Cell

Answer 6

-bacteria and archea
-have no membrane enclosed compartments.

Question 7

Major features of prokaryotic cell

Answer 7

• cell membrane
  -ribosomes
  -DNA in nucleoid
  -cytoplasm as the rest of contents

Question 8

Special features

Answer 8

-cell wall
-capsule
-pili
-flagella

Question 9

cell wall

Answer 9

____ and maintains shape outside of cell membrane

Question 10

capsule:

Answer 10

composed of polysaccharides which help adhere to things, keeps them from ____, and protects from a hosts immune system.

Question 11

pili

Answer 11

hairlike structures projecting from cell surface.
-help bacteria adhere to cells

Question 12

flagella

Answer 12

made of protein called flagellin.
-contains complex ___ structures anchored in ____ that form a motor that allows rotation. Moves like a whip, enables swimming.