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Photosynthesis: Understanding Light Energy Conversion into Organic Molecules, Quizzes of Biology

State University of New York at Binghampton (SUNY)Biology

Definitions and explanations for various terms related to photosynthesis, the process by which plants convert sunlight into organic molecules using water and carbon dioxide. Topics covered include the role of chloroplasts, the structure of thylakoids and grana, the light-dependent and light-independent reactions of the calvin cycle, and the absorption of photons by pigments. Students will gain a deeper understanding of the complex biochemical process of photosynthesis.

Typology: Quizzes

2010/2011

Uploaded on 07/30/2011

warren-lin7 🇺🇸

6 documents

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TERM 1

What are photoautotrophs? what does it

mean?

DEFINITION 1

Plants.Means that they use the energy of sunlight to make

organic molecules from water and co2

TERM 2

How many pounds of carbs dose

photosynthesis create each year?

DEFINITION 2

350 trillion pounds

TERM 3

What percent of the sun's energy that

reaches earth is converted into chemical

energy?

DEFINITION 3

TERM 4

Why is so little of the sun's energy utilized?

DEFINITION 4

Not all wavelengths are absorbedEnergy is lost during

conversion of light energy to chemical and during carbon

fixation reactions

TERM 5

Chloroplasts are highly structured _____ -rich

organelles

DEFINITION 5

Membrane

Partial preview of the text

Download Photosynthesis: Understanding Light Energy Conversion into Organic Molecules and more Quizzes Biology in PDF only on Docsity!

What are photoautotrophs? what does it

mean?

Plants.Means that they use the energy of sunlight to make

organic molecules from water and co

TERM 2

How many pounds of carbs dose

photosynthesis create each year?

DEFINITION 2

350 trillion pounds

TERM 3

What percent of the sun's energy that

reaches earth is converted into chemical

energy?

DEFINITION 3

TERM 4

Why is so little of the sun's energy utilized?

DEFINITION 4

Not all wavelengths are absorbedEnergy is lost during

conversion of light energy to chemical and during carbon

fixation reactions

Photosynthesis: Understanding Light Energy Conversion into Organic Molecules, Quizzes of Biology

Related documents

Partial preview of the text

Download Photosynthesis: Understanding Light Energy Conversion into Organic Molecules and more Quizzes Biology in PDF only on Docsity!

What are photoautotrophs? what does it

mean?

Plants.Means that they use the energy of sunlight to make

organic molecules from water and co

TERM 2

How many pounds of carbs dose

photosynthesis create each year?

DEFINITION 2

350 trillion pounds

TERM 3

What percent of the sun's energy that

reaches earth is converted into chemical

energy?

DEFINITION 3

TERM 4

Why is so little of the sun's energy utilized?

DEFINITION 4

Not all wavelengths are absorbedEnergy is lost during

conversion of light energy to chemical and during carbon

fixation reactions

TERM 5

Chloroplasts are highly structured _____ -rich

organelles

DEFINITION 5

Membrane

Thylakoids

Internal vesicle-like structures: these are embedded with

photosynthetic pigment, such as chlorophyl

TERM 7

grana

DEFINITION 7

columns or stacks of thylakoids

TERM 8

stroma

DEFINITION 8

sem-liquid surrounding thylakoids

TERM 9

Photosynthesis consists of two sets of

reactions. Name these 2 and explain them

DEFINITION 9

Light-dependent reactions produce O2 from H20Light

Independant reactions of the Calvin Cycle produce sugar

from CO

TERM 10

Calvin Cycle produces...

DEFINITION 10

Produces and stores chemical energy. Produces sugar form

C

Light behavs at though it consists of discrete

particles called

photons

TERM 17

Photon

DEFINITION 17

Discrete amount of light energy

TERM 18

When a molecule absorbs a photon, one of its

electrons is...

DEFINITION 18

elevated to a higher orbital

TERM 19

when an electron is elevated to a higher

orbital what happens to its Potential energy?

DEFINITION 19

It increases

TERM 20

When are photons absorbed?

DEFINITION 20

When the energy of the photon = difference b/t ground state

and the excited state of the electronSparknotes: if the energy

of the photon = the energy required to push the electron up

to the next level then it works

What is the difference b/t blue and red

photons?

blue photons = more energy. can excite electrons more.

TERM 22