Quiz 3: How Do Plants Work?

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Jan Baptista's experiments showed:

- loss of soil mass < gain of plant mass - gain of plant mass related to water

Priestly's experiments explained:

- plants are associated with O2 - animals require O2

Concerning carbohydrates:

- they all contain C, O, H - the ratio of H to C is fixed at 2:1

What is the equation for photosynthesis?

6CO2 + 6H2O -----> C6H12O6 + 6O2

A chemical energy compound with two phosphate groups found in living cells

ADP

the high energy chemical compound that provides energy

ATP

What is the molecule for glucose?

C6H12O6

What is the reaction for cellular respiration?

C6H12O6 +6O2 = 6CO2 + 6H2O + energy for ATP

De Saussure's experiments demonstrated the importance of water and _______________ to green plants

Carbon dioxide

Protoplasm consists of numerous combinations of 22 proteins.

False

What are the waste products of respiration?

H2O and CO2

The first chemist to begin quantifying the process of photosynthesis was:

Nicholas de Saussure

What are four uses of energy produced by respiration?

Repair cell, conduct nerve impulses, produce light in bioluminescent organisms, and produce heat.

In the presence of oxygen as a gas

aerobic

An agricultural science that deals with crop production and improvement

agronomy

the building blocks of proteins

amino acids

In the absence of oxygen as a gas

anaerobic

Utilization of food molecules and energy in life processes

assimilation

A food made up of carbon, hydrogen, and oxygen

carbohydrate

An atmospheric gas made of one carbon atom for each two oxygen atoms

carbon dioxide

An energy-sharing arrangement of atoms to each other as parts of a molecule

chemical bond

The green chemical that makes green plants green

chlorophyll

Which conditions relate to the research of Van Helmont?

conclusions partly correct, and plant mass related to H2O

Match the associations with the "light" and "dark" phases of photosynthesis. CO2 intake

dark

Match the associations with the "light" and "dark" phases of photosynthesis. forms carbohydrates

dark

Match the associations with the "light" and "dark" phases of photosynthesis. release of energy

dark

Match the associations with the "light" and "dark" phases of photosynthesis. release of water

dark

Since carbon as an atmospheric gas is locked into a food molecule, it is termed carbon dioxide fixation. Another name for this process of photosynthesis is the __________________.

dark reaction.

provides energy storage and structure for life

fat

The stage of respiration that occurs in anaerobic conditions, such as yeast fermentation

fermentation

Match the associations with the "light" and "dark" phases of photosynthesis. ATP

light

Match the associations with the "light" and "dark" phases of photosynthesis. release of O2

light

Match the associations with the "light" and "dark" phases of photosynthesis. solar energy

light

Match the associations with the "light" and "dark" phases of photosynthesis. storage of energy

light

Produced by organisms as opposed to nonliving chemical processes

organic

An atmospheric gas; a by-product of the light reaction of photosynthesis

oxygen

essential to aerobic respiration

oxygen

a food made up of carbon, hydrogen, oxygen, nitrogen

protein

putting together of protein molecules from amino acids

protein synthesis

the tiny pores or leaf openings appearing between guard cells

stomate

What statements apply to food?

storage medium for energy, and release energy during decomposition.

What are the functions of ATP?

stores the initial energy released by respiration, and provides the energy for all cytoplasmic chemical synthesis.

Proteins may be identified separately from fats and carbohydrates by the presence of certain elements. What elements qualify?

sulfur, iron, phosphorous, zinc, and nitrogen.

What do glucose, starch, and cellulose have in common?

they are various forms of sugars, they are all related to photosynthesis, and they are all carbohydrates.

What organic compounds are manufactured within the cytoplasm?

waxes, fatty acids, alcohols, hormones, amino acids, cortenoids, and nucleic acids.


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