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Bio LAB > Lab 11, Photosynthesis > Flashcards

Lab 11, Photosynthesis Flashcards

Module 2

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Biology 101 flashcards
1
Q

Aerobic Cellular Respiration

A

gluclose to ATP

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2
Q

Equation

A

CO2+ 6H2O + LIGHT –> C6H12O6 + 6O2

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3
Q

Light reaction start end location

A

thylakoid membrane

starts: 6h2o + sunlight

ends: 6o2+ 12ATP + 12NADPH

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4
Q

Calvin ( dark) reaction, start end location

A

chloroplast
starts: 6co2+ 12ATP+ NADPH ( light)

ends: C6H12O6

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5
Q

pHEONAL RED yellow red numbers

A

6.8, 8

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6
Q

iodine blue happens bc of

A

startch

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7
Q

What do pigments do with light energy

A

Absorb light energy and convert it into chemical energy

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8
Q

The primary pigments in photosynthesis are

A

Chrolophyll A and B

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9
Q

Why are some pigments known as accessory pigments

A

They assist in. capturing energy_______________

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10
Q

The accessory pigments in photosynthesis are

A

carotene and xanthophyll_

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11
Q

During which season might we see accessory pigments

A

fall season, chrolphyll breaks dow

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12
Q

What will you use paper chromatography for in this lab

A

Seperate and identify the different pigments present in leaves

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13
Q

Colors for :
Carotene

Xanthophyll

Chlorophyll A

Chlorophyll B

A

Orange, yellow, blue-green, yellow-green

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14
Q

What is the formula for Rf ?

A

Distance traveled by the pigment / Distance traveled by the solvent front

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15
Q

If a plant is absorbing CO2, what would you assume it is using the CO2 for

A

Photosynthesis, converted to glucose

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16
Q
  1. What does a small Rf number tell you about the characteristics of the moving molecules?
A

Moving molecules are more polar, leading to stronger interactions with the polar stationary phase, travels less distance

17
Q
  1. Which are more soluble in the chromatography solvent, xanthophyll or chlorophyll a? How do you conclude this?
A

Xanthophyll because it has a higher rf number, meaning it has a greater solubility in the mobile phase

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