Part II: Cellular Respiration

Question 1

what is cellular respiration?

Answer 1

the reaction that cells use to release energy that is stored in chemical form

Question 2

In the reaction for respiration there is no involvement of ______ or ______.

Answer 2

sunlight

pigment

Question 3

cellular respiration is used by both

Answer 3

plants and animals

Question 4

for respiration to occur cells must have

Answer 4

a constant supply of oxygen

Question 5

single-celled organisms are able to exchange gases directly with

Answer 5

their environment

Question 6

earthworms and amphibians exchange gases through

Answer 6

their skin

Question 7

fishes exchange gases through their

Answer 7

gills

Question 8

other vertebrates exchange gases through their

Answer 8

lungs

Question 9

in larger organisms gas exchange is more effective when transported through

Answer 9

their circulatory system

Question 10

what is carbon monoxide?

Answer 10

a colorless, odorless, tasteless, non-irritating gas produced as a result of combustion

Question 11

carbon monoxide binds more readily to….

Answer 11

hemoglobin than oxygen

Question 12

exposure to carbon monoxide prevents..

Answer 12

transport of oxygen to cells

Question 13

changes in gas volume or pressure in a closed system containing a respiring organism represents the difference between

Answer 13

energy consumption and carbon dioxide production

Question 14

what is the effect of oxygen consumption on pressure and volume?

Answer 14

decreases pressure and volume

Question 15

what is the effect of carbon dioxide production on pressure and volume?

Answer 15

increases pressure and volume

Question 16

potassium hydroxide was used to

Answer 16

absorb the carbon dioxide

Question 17

why did the dye move towards the respiration chamber?

Answer 17

from the incoming O2 changing the pressure of the tube

Question 18

how might the dye move away from the chamber?

Answer 18

heat to the bead chamber

Question 19

which enzyme is needed specifically for splitting glucose to release electrons?

Answer 19

dehydrogenase

Question 20

what is methylene blue?

Answer 20

dye that changes color based on whether its accepting or losing electrons

Question 21

methylene blue is what color when accepting electrons?

Answer 21

colorless

Question 22

methylene blue is what color when losing electrons?

Answer 22

blue

Question 23

if carbon dioxide decreases, breathing rate also

Answer 23

decreases

Question 24

why does hyperventilating help increase the time one can hold their breath?

Answer 24

it causes purging of CO2

Question 25

rebreathing CO2 causes ventilation rate to

Answer 25

increase

Question 26

increase in blood carbon dioxide is due to an increase in

Answer 26

cellular respiration

Question 27

what are the two ways of measuring heart rate?

Answer 27

1. using a stethoscope

2. counting pulse rate of a superficial artery