Chapt.8 Cell Respiration

Chapt.8 Cell Respiration - Cellular Respiration (why you...

Info iconThis preview shows pages 1–19. Sign up to view the full content.

View Full Document Right Arrow Icon
Cellular Respiration ( why you eat and breathe ) BIO 2107K: BIOLOGICAL PRINCIPLES I CHAPTER 8
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Metabolism is the set of biochemical reactions that occur in living organisms to sustain life and its activities (maintain itself, grow, reproduce)
Background image of page 2
Living organisms engage in metabolic activities Cellular respiration: breaking down of energy stores for energy
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
At the Biochemical Level:
Background image of page 4
What powers life? Why do we need to eat? Why do we need to breathe?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What powers life?
Background image of page 6
Photosynthesis Food ATP Cellular Respiration
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Sleeping or lying still 0 Eating 28 Mini golf 211 alking (3mph) 46 Activity KCalories Burned / hr Walking (3mph) 246 Bicycling (fast) 514 Swimming 535 Dancing (fast) 599 Running (7 min mile) 865
Background image of page 8
Photosynthesis Glucose CO 2 O 2 Cellular Respiration H 2 O
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
O 6 32 6 6 1 Cellular Respiration Glucose O 2 CO 2 H 2 O + + +
Background image of page 10
ATP (Adenosine Triphosphate) x ATP is the primary coupling agent in all living organisms. x If work needs to be done in a cell, ATP’ll be there!
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ATP (Adenosine Triphosphate) Nucleotide base (adenine) Three phosphate groups Sugar (ribose)
Background image of page 12
Oxidation and Reduction Reactions are at the heart of generating ATP x Oxidation and reduction reactions transfer electrons x Removal of an electron = oxidation x Addition of an electron = reduction x These two always occur together!! x Redox reactions
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A e- e- OXIDATION B REDUCTION A B e- e- Substance A has been oxidized Substance B has been reduced
Background image of page 14
A e- e- B OXIDATION REDUCTION Substance A has been oxidized Substance B has been reduced
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Cellular respiration uses an electron carrier molecule called NAD that is reduced or oxidized x NAD forms from niacin (Vitamin B) AD has two forms: x NAD has two forms: x NAD+ (oxidized form – lost electrons) x NADH (reduced form – gained electrons)
Background image of page 16
e- e- NAD+ REDUCED NADH OXIDIZED e- e- NADH NAD+
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Glucose e- NAD+ NADH e- Oxidized Reduced
Background image of page 18
Image of page 19
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 64

Chapt.8 Cell Respiration - Cellular Respiration (why you...

This preview shows document pages 1 - 19. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online