PHOTOSYNTHESIS: A CLOSER LOOK

True

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

True

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

nitrogen

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

True

Animals and humans cannot live without protein in their diet.

fifty

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

True

Enzymes are an example of proteins.

proteins

Enzymes are:

False

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

true within limits

Photosynthesis continues to increase with temperature:

ribosomes in plants and animals

Proteins are made by:

iron sulfur phosphorous zinc nitrogen

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

False

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

False

Protoplasm consists of numerous combinations of 22 proteins.

False

Ribosomes are only found in plant cells.

dark reaction

Since carbon as an atmospheric gas is locked into a food molecule, it is termed carbon dioxide fixation.

True

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

amino acid

the building blocks of proteins

ATP

the high energy chemical compound that provides energy

light reaction

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

splitting of water molecules

The oxygen which is released into the air by a plant originated from:

thousands of different proteins

The twenty two amino acids are capable of producing ______________.

fat

provides energy storage and structure for life

True

Carbon dioxide levels above normal will increase plant growth of other factors are adequate.

False

Proteins are the building blocks of amino acids.

amino acids

The building blocks of proteins are _____________.

produce a carbohydrate from CO2

The chemical energy stored in ATP during photosynthesis is released during the dark phase to:

splitting of the water molecule

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

protein

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

oxygen

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