Biology Unit 6 Quiz 3

amino acids

The building blocks of proteins are __________________________________________.

True

God designed plants to maintain not only their own food needs, but provide food energy for the world of living things. True False

mitochondria

The electron transport of respiration occurs in organelles called _________________________________.

glycolysis

The first stage in the decomposition of glucose is called _______________________________.

light reaction

Hill is known for working out reactions taking place during the ___________________________________________________________________ of photosynthesis.

anaerobic

In the absence of oxygen as a gas.

amino acid

the building blocks of proteins

H2O CO2

What are the waste products of respiration? O2 (CH2O)n energy H2O CO2 ATP

they are various forms of sugars they are all related to photosynthesis they are all carbohydrates

What do glucose, starch and cellulose have in common? they are various forms of proteins they are various forms of sugars they are all related to photosynthesis they are all carbohydrates

False

Proteins are the building blocks of amino acids. True False

splitting of water molecules

The oxygen which is released into the air by a plant originates from: from CO 2 gas protein synthesis the release from carbohydrate decomposition splitting of water molecules

agronomy

The science which develops and studies plant varieties and production is called __________________________.

fat

a food made of carbon, hydrogen, and oxygen atoms with higher energy storage in bonds than carbohydrates; provides energy storage and structure for life

protein

a food made up of carbon, hydrogen, oxygen, nitrogen, and either or both, phosphorus or sulfur; provides the major portion of the life fabric or structure

nitrogen

All proteins contain _______________________, in addition to carbon, hydrogen, and oxygen.

oxygen

An atmospheric gas; a by-product of the light reaction of photosynthesis; essential to aerobic respiration.

False

Nearly all the mass of plants comes from well fertilized soil. True False

Solar released

_________________ energy is absorbed by photosynthesis, and energy is _____________________ through respiration.

True

Carbon dioxide levels above normal will increase plant growth if other factors are adequate. True False

False

Ribosomes are only found in plant cells. True False

False

Proteins of one plant are like proteins of other plants, but animal proteins are unlike each other and plant proteins. True False

sunlight

Ingenhousz found that air would be purified only when green plants were in _______________________.

light

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

splitting of the molecule

Van Niel's theory, later shown to be correct, claimed that the oxygen produced by photosynthesis comes from the _________________________________________________________________________________________________.

carbohydrates

What general type of plant food is produced by photosynthesis? protein carbohydrates enzymes amino acids

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

What is the function(s) of ATP? stores the initial energy released by respiration provides the energy for all cytoplasmic chemical synthesis provides the energy for photosynthesis provides the energy for respiration a complex molecule from which all other organic compounds are made

from the atmosphere

Where do plants obtain the oxygen necessary to utilize foods? from the decomposition of glucose from the atmosphere directly from products of photosynthesis from the splitting of water molecules

True

Enzymes are an example of proteins. True False

C6H12O6+6O2 yields enzymes 6CO2+6H20+energy to form ATP(or 36 ATP's)

Pick the best answer from each of the drop-down menus below to complete the reaction for photosynthesis.

Carbon Dioxide+Water+Light+Glucose+Oxygen

Pick the correct answer from each drop-down menu to complete the reaction for photosynthesis.

primarily at night

Plant respiration occurs: primarily at night equally night and day during night only during sunlight only

plants are associated with O2 animals require O2

Priestly's experiments explained: plants are associated with O2 animals require O2 plants require O2 plants require CO2

organic

Produced by organisms as opposed to nonliving chemical processes; also a molecule which contains carbon usually in combination with hydrogen and oxygen with or without other elements.

agronomy

An agricultural science that deals with crop production and improvement.

carbon dioxide

An atmospheric gas made of one carbon atom for each two oxygen atoms (CO 2): important for food-making by green plants and given off as a waste product of respiration in cells.

chemical bond

An energy-sharing arrangement of atoms to each other as parts of a molecule. Carbon can make four bonds with other atoms, hydrogen one bond, oxygen two bonds. Each bond is a source of energy. Rearrangement of these may store or release energy.

assimilation

Cell activities associated with the utilization of food molecules and energy in life processes.

electron transport chain glycolysis Krebs cycle

Choose from the following list the three stages of respiration which convert food to useful energy. electron transport chain glycolysis lactic acid cycle photosynthesis Krebs cycle protein synthesis

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

Concerning carbohydrates: the ratio of C to O is fixed at 2:1 none of the ratios of the elements are fixed they all contain C, O, N they all contain C, O, H the ratio of H to C is fixed at 2:1 they all contain C, O, H, N

False

Current populations experiencing famine are primarily the result of lack of land to grow more plants. True False

carbon dioxide

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

fifty

Each protein molecule is made of at least ___________ hundred amino acid units.

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

Jan Baptista's experiments showed: loss of soil mass < gain of plant mass loss of soil mass = gain of plant mass Aristotle was correct loss of soil mass > gain of plant mass gain of plant mass related to CO 2 gain of plant mass related to water

oxygen

Joseph Priestly discovered that plants give off, or release ________________ to the atmosphere. nitrogen oxygen hydrogen carbon dioxide

anaerobic glycolysis

Lactic acid buildup during respiration is the result of: anaerobic glycolysis electron transport Krebs cycle aerobic glycolysis

dark

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

light

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

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

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

temperature increases within normal limits and carbon dioxide is supplied

Photosynthesis continues to increase with temperature when _____________________________________________________________________________________________________________________________________________________________. temperature increases but carbon dioxide is not supplied temperature increases above the normal temperature range temperature increases within normal limits and carbon dioxide is supplied temperature remains constant and carbon dioxide is supplied

synthesis decomposition

Photosynthesis is a _____________________ reaction, and respiration is a ______________________________ reaction, and they cycle continuously within the plant factory.

Ribosomes in plants and animals

Proteins are made by: organelles Ribosomes in plants and animals RNA in the nucleus of plant and animal cells Ribosomes in plants only

sulfur iron phosphorus zinc nitrogen

Proteins may be identified separately from fats and carbohydrates by the presence of certain elements. Choose the elements that qualify. magnesium sulfur iron phosphorus platinum zinc nitrogen cobalt

dark reaction

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 __________________________________________________________.

True

Some of the most complex organic molecules are those of proteins. True False

energy

The ___________________ requirements of all organisms worldwide are linked to the sun by photosynthesis.

produce a carbohydrate from CO2

The chemical energy stored in ATP during photosynthesis is released during the dark phase to: produce O2 Produce CO2 release energy for the "light" produce a carbohydrate from CO2

Nicholas de Saussure

The first chemist to begin quantifying the process of photosynthesis was: Jan Baptista van Helmont Jan Ingenhousz Joseph Priestly Nicholas de Saussure

100 billion people

The greatest number of people plants have the potential to feed, according to some agronomists is: unlimited people 5.5 billion people 100 billion people 10 billion people

chlorophyll

The green chemical that makes green plants green; important in capturing the sun's light energy for use in photosynthesis.

fermentation

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

millions of different proteins

The twenty two amino acids are capable of producing ______________________________________________________________________________. hundreds of different proteins a few different proteins thousands of different proteins millions of different proteins

conclusions partly correct plant mass related to H2O

Which conditions relate to the research of Van Helmont? plant was grown outside in the ground plant mass only comes from the soil conclusions partly correct around 1400 A.D. plant mass related to H2O

mitochondria

Which organelle is responsible for producing energy by the Krebs cycle?

storage medium for energy release energy during decomposition

Which statements apply to "food"? storage medium for energy energy released during photosynthesis absorb energy during assimilation release energy during decomposition

oxygen

an atmospheric gas; a by-product of the light reaction of photosynthesis; essential to aerobic respiration

protein synthesis

the putting together of protein molecules from amino acids

stomate

the tiny pores or leaf openings appearing between guard cells of the epidermis; oxygen and carbon dioxide exchange between inner photosynthetic leaf cells and the atmosphere occurs through these openings

waxes fatty acids alcohols hormones amino acids carotenoids nucleic acids

(Select all that apply.) Choose from the following list the organic compounds that are manufactured within the cytoplasm. carbohydrates sugars waxes fatty acids alcohols hormones amino acids carotenoids starch nucleic acids

ADP

(adenosine diphosphate). A chemical energy compound with two phosphate groups found in living cells. ADP converts to ATP with the addition of a high-energy phosphate grouping.

ATP

(adenosine triphosphate) the high energy chemical compound with three phosphate groups that provides energy for all other cell activities

False

Protoplasm consists of numerous combinations of 22 proteins. True False

True

Animals and humans cannot live without protein in their diet. True False

True

Without plants there would be no food for the earth. True False

carbohydrate

A food made up of carbon, hydrogen, and oxygen, providing a source of food storage and energy for life.

True

A green house may be used to control temperature and carbon dioxide. True False

True

A tiny body within plant cells, the chloroplast, is the power generator for life on earth. True False

True

Agronomists are scientists who work to develop crops that produce more or better foods. True False

proteins

Enzymes are: proteins chains of amino acids complex amino acids complex carbohydrates

False

Food production from plants is currently near its maximum potential -- worldwide. True False

False

For maximum photosynthesis, increased light intensity has greater effect than increased leaf surface area. True False

aerobic

In the presence of oxygen as a gas.