Where does the mass come from to make an acorn into an oak?

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Where does the mass come from to make an acorn into an oak?

A .Water absorbed via roots

B. Soil molecules absorbed through roots

C. Molecules in the air absorbed through leaves

D. Very compact materials in acorn that are diffused in the oak tree.

E. Glucose absorbed via roots and leaves.

a.C6H12O6 + 6O2 6CO2 + 6H2O + ENERGY (heat + ATP)

b. 6CO2 + 12H2O +light (ENERGY) C6H12O6 + 6H2O + 6O2

•Which of the above describes photosynthesis?

•Which of the above describes cellular respiration?

4

(Adapted from Janet Batzli and Diane Ebert-May)

21 33

Three identical plates of radish seeds are incubated under three different conditions, with results as shown. How will the dry weights of the three plates compare at the end of the experiment?

A) 1 < 2 < 3 B) 1 < 3 < 2 C) 1 = 3 < 2 D) 3 < 1 < 2 E) 1 = 2 = 3

(Adapted from Janet Batzli and Diane Ebert-May)

21 33

Three identical plates of radish seeds are incubated under three different conditions, with results as shown. How will the dry weights of the three plates compare at the end of the experiment?

A) 1 < 2 < 3 B) 1 < 3 < 2 C) 1 = 3 < 2 D) 3 < 1 < 2 E) 1 = 2 = 3

1.46 g 1.63 g 1.20 g

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Question 1Which structure is responsible for gas exchange ?

a. Matrix

b. Stroma

c. Stoma

d. Thylakoid

e. Trichomes

Question 2

What high energy molecule is the final product of photosynthesis?

a. Oxygen

b. ATP

c. NADPH

d. Glucose

e. Water

Question 3Where is the chlorophyll located in a plant?

a. Cristae

b. Plasma membrane of the cell

c. Outer membrane of the chloroplast

d. Thylakoid membrane

e. Stroma

Question 4

Making glucose via photosynthesis costs ____ATPs and ___NADPHs. However, 1 molecule of glucose is enough to make ___ ATPs.

a. 18, 12, 36

b. 12, 18, 36

c. 12, 36, 18

d. 36, 18, 12

e. 18, 36, 12

Question 5

What happens to the energy content of a photon as the wavelength decreases?

a. Energy increases

b. Energy decreases

c. Energy remains the same

d. There is no relationship

Question 6Electromagnetic radiation with a wavelength between 400-700nm is_____.

a. Radiowaves

b. Microwaves

c. X-rays

d. Visible light

e. Ultra Violet

Question 7What happens at the reaction center of a photosystem?

a. Light is absorbed

b. An electron is energized

c. NADP+ is reduced

d. ATP is formed

e. Carbon fixation occurs

Question 8Which of the following is made during the light reactions of photosynthesis?

a. ADP and NADP+

b. Glucose and ATP

c. ATP and NADPH

d. NADPH and Carbon Dioxide

e. Carbon Dioxide and Water

Question 9What is the function of Rubisco?

a. Absorption of photon energy

b. Harvesting electrons from water

c. Reduction of NADP+

d. Chemiosmosis

e. Carbon fixation

Question 10A particle of light is a ____.

a. Wave

b. Grana

c. Photon

d. Proton

e. Newton

Question 11

Photosynthetic bacteria have chlorophyll embedded in their chloroplasts.

a. This is true

b. This is false

The structure at right is:

a.ATPb.DNAc.NADPd.FADH2e.Chlorophyll

Question 12Where could a botanist expect to find C4 plants?

a. Canada

b. Costa Rica

c. Only in trees

d. Tundra

e. Mount Everest

Question 13

If a plant had non-functioning mitochondria, it could still successfully complete photosynthesis?

a. This is true

b. This is false

Question 14

What would happen if a leaf lacked carotenoids?

a. The leaf would absorb all energy levels

b. The leaf would turn yellow/orange during the fall

c. The leaf would not absorb Carbon dioxide

d. Photosynthesis would not be as efficient

e. The leaf would require oxygen

Question 15

The end product of photosynthesis is the starting material of cellular respiration.

a. This is true

b. This is false

Question 16

Which of the following would prevent the formation of 3-phosphoglycerate in photosynthesis?

a. No available photons

b. Denaturation of the Rubisco enzyme

c. Non-functional b6-f complex

d. Anaerobic conditions

e. All of the above

1. Explain where oxygen comes from in photosynthesis?

2. Compare and contrast the general equations for photosynthesis and aerobic cellular respiration?

3. Why do leaves change colors in the fall?

4. Why is water necessary for photosynthesis?

5. G3P (glyceralderhyde-3-phophate) is present in the Calvin Cycle, where else have you seen this molecule?