Answered: Light is needed for photosynthesis,…

Science

Biology

Light is needed for photosynthesis, because it

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter5: Photosynthesis

Section: Chapter Questions

Problem 5RQ: What is the energy of a photon first used to do in photosynthesis? a. split a water molecule b....

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Concept explainers

Photosynthesis

Plants have a capacity that we humans can only imagine— the ability to produce food from sunlight. Sure, we can prepare some dishes that we can savor on, but it become possible because of the plants (as they serve as a producers of all the raw materials required). Photosynthesis is the method of assembling carbohydrates with the aid of sunlight.

Question

Light is needed for photosynthesis, because it

A. Provides energy, which is converted to chemical energy

b. Provides, heat energy, which is converted to chemical energy

c. Directly causes ATP production

d. Brings water into the chloroplast

e. Drives many enzymatic reactions

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What is the energy of a photon first used to do in photosynthesis? a. split a water molecule b. energize an electron c. produce ATP d. synthesize glucose
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Photosynthesis A. is the only energy-generating pathway for plants, cyanobacteria, and algae. B. consist two stages: light-dependent stage which fix CO₂, light-independent stage which generate glucose. C. can capture and convert energy from light to chemical energy in the form of ATP and NADPH. D. oxidize organic carbon molecule to CO₂, while reduce water to oxygen.
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1. In chloroplasts, the enzyme ATP synthase couples the synthesis of ATP to: a. the diffusion of protons. b. the reduction of NADP+. c. the excitation of chlorophyll. d. the reduction of chlorophyll e. the transfer of electrons. 2. In the two-dimensional paper chromatography technique used by Calvin and Benson, a substance that ends up in the middle of the paper means that: a. it is insoluble in one of the solvents. b. it is an impure substance. c. it is too large to migrate all the way across the paper. d. it migrates roughly half way across the paper in both solvents. e. it is a relatively large and charged molecule. In chloroplasts, an electron being passed down the electron transport chain may have originated from: photosystem I. photosystem II. NADPH. both a and b. a, b, and c If we are able to follow a single electron that has just been ejected from the reactive center of photosystem II, which of the following is a feasible pathway…
A cell performing photosynthesis can be compared to cook preparing a particular dish (say, adobo, for example). If this is so, to what can the following elements of photosynthesis be likened? One item is given as an example. a. photosynthetic cell: cook or chef b. light:________ c. chloroplast: _____________ d. CO2 and H2O:_____________ e. Glucose:__________________
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