unit 1

Question 1

SIZE OF THE CELL

Answer 1

0-100 micrometers

Question 2

GENERAL FUNCTIONS OF THE CELL

Answer 2

REGULATION OF INTERNAL ENVIRONMENT
ACQUISITION AND UTILIZATION OF ENERGY
RESPONSIVENESS TO THEIR ENVIRONMENT
PROTECTION AND SUPPORT

Question 3

ability of an object to keep a constant internal
change, constant adjustment

Answer 3

homeostasis

Question 4

example: sweating and shivering

Answer 4

homeostasis

Question 5

○ human normal body temp:

Answer 5

37 °C

Question 6

○ ____ - body generates heat

Answer 6

thermogenesis

Question 7

★ needed to perform activities

Answer 7

ACQUISITION AND UTILIZATION OF ENERGY

Question 8

○ produce glucose to gain energy

Answer 8

★ cellular respiration

Question 9

○ converts energy in food molecules to make energy

Answer 9

★ cellular respiration

Question 10

organisms use oxygen to break down food molecules
to get chemical energy for cell functions

Answer 10

★ cellular respiration

Question 11

★ physical breakdown

Answer 11

chewing

Question 12

in our saliva, there are ptyalin
that breakdowns foods

Answer 12

chemical breakdown

Question 13

in our saliva, there are _____
that breakdowns foods

Answer 13

ptyalin

Question 14

★ tanning
○ a response to a stimulus
★ melanin - protects skin from UV radiation
★ related to homeostasis

Answer 14

RESPONSIVENESS TO THEIR ENVIRONMENT

Question 15

○ a response to a stimulus

Answer 15

★ tanning

Question 16

★ protects skin from UV radiation

Answer 16

melanin

Question 17

★ cells are first in line in defense against foreign bodies
★ immune cells in complex multicellular animals, also
impart protection against pathogens and other foreign
bodies that may enter the general circulation
★ when we have a fever, the body’s response is to heat up
to kill foreign bodies

Answer 17

PROTECTION AND SUPPORT