Quiz 10: Cell Resp & Photosynthesis

Cellular Resp equation (verbatim)

• CHO + O2 → CO2+ H2O+ ATP

• (raw materials) → (products)

Glycolosis:

• location

• o2 requirement?

• uses

• products

• Cytosol

• only one no O2 needed

• 2 ATP

  • 4 ATP (2 net)

  • 2 Pyruvate

  • 2 NADH

Why is NADH/FADH2 important?

• Carries electrons from one reaction to another

• NAD+/FAD is oxidized (will accept electrons from other molecules becomes reduced)

• NADH/FADH2 is reduced (will lose electrons becomes oxidized)

Bridge Reaction:

• location

• converts

• produces

• Mitochondrial Envelope 💌

• 2 pyruvate → 2 acetyl CoA

  • 0 ATP

  • 2 CO₂

  • 2 NADH

When does Bridge cycle happen

when pyruvate crosses the outer mitochondrial membrane

Krebs Cycle:

• location

• input

• products (2 cycles)

• Mitochondrial Matrix

• 2 Acetyl CoA →

  • 2 ATP

  • 2 FADH₂

  • 4 CO₂

  • 6 NADH

Electron Transport Chain (ETC):

• location

• input

• output

• Cristae 💎

• input-

  • 10 NADH (each 3 ATP→30 ATP)

  • 2 FADH (each 2 ATP→4 ATP)

• output-

  • 34 ATP (32 NET bc 2 used to ship NADH)

uses this proton gradient to create ATP in ETC

ATP synthase

in ETC, Protons travel across the mitochondrial membrane which creates a

electrochemical proton gradient

Label

Occurs when there is no oxygen available

Fermentation

• Lactic Acid

  • i.e. muscle cells

• Alcohol

  • i.e. yeast

Alcohol Fermentation Equation

Sugar → CO2 & Ethanol

What kinds of organisms use fermentation (anaerobic respiration)?

prokaryotes— like bacteria and archaea

Photosynthesis Equation

H2O & CO2 → CHO, H2O, O2,

(light energy not raw material*)

Where does Photosynthesis take place

chloroplasts

What is released when the water molecule is split

Oxygen

What does the plant do with the glucose it makes?

• Used to make cellulose for the cell wall

• Converted to starch for energy storage

Chromatography Experiment most soluble vs most abundant

• most soluble pigment=furthest from application line →

• most abundant pigment=largest band

Chromatography:

color & solubility/abundance

• Carotene

• Chlorophyll A

• Chlorophyll B

• Xanthophyll

• carotene: orange, most soluble

• chlorophyl a: kelly green most abundant

• chlorophyl b: olive green least soluble

• xanthophyl: yellow, n/a

Label

• Light Reactions – Thylakoid Disks

• Dark Reactions - Stroma