Biology- Chapter 5

How many steps are required for photosynthesis to occur?

2 (photo then synthesis)

What is the difference between biofuels and alternatice fuels?

Alternative fuels are any energy source other than petroleum, whereas biofuels come from living organisms

Which color is most useful in photosynthesis? 1) Ultraviolet 2)x-rays 3)blue 4)green

Blue

What happens during the "synthesis" reactions of photosynthesis?

Carbon dioxide is converted into glucose

Animal movement requires a conversion of energy from ___ 1) kinetic to potential 2)mechanical to kinetic 3)mechanical to potential 4)chemical to kinetic

Chemical to kinetic energy

The organelle responsible for carrying out photosynethesis is the _____? 1) Mitochondrion 2)Lysosome 3)Chloroplast 4)Ribosome

Chloroplast

What is the problem with fossil fuels?

Extraction and use cause environmental damage

Gasoline and kinetic energy is a correct combination? True or False?

False

Photosynthetic organisms are important because they produce petroleum products. True or False?

False

Processed oils from plants, algae, and fossils comprise biofuels. True or False

False

Production costs are the biggest drawback for crop-based biofuels. True or False?

False

Which cellular structure(s) allow(s) organisms to carry out photosynethesis?

Many chloroplasts

The main function of ATP produced during photosynthesis is to ___

Power the synthesis reaction

Which organism is a type of algae? 1)Cyanobacteria 2)Barnacles 3)Pond Lily 4)Seaweed

Seaweed

What type of algae is grown for biofeul production? 1)cyanobacteria 2)phosphorescent algae from the coast of Florida 3)seaweed 4)single-celled pond scum

Single-celled pond scum

What is NOT one of the ways algae biofuel production costs are being reduced?

Small-scale production using natural ponds

What do algae require for photosynthesis?

Sunlight, carbon dioxide, water, nutrients

After plants and algae convert sunlight into glucose, how do they utilize the glucose?

To power the cell's functions, to synthesize cell structures, and to store as oil

Energy flows from heterotrophs to autotrophs. True or False?

True

the bonds between two carbon atoms in glucose use potential energy. True or False?

True

What is conservation of energy?

When energy is not created nor destroyed but rather changes form.

What fuel source is the most "green" or most environmentally friendly? 1)algae biofuel 2)soybean-based biofuel 3)natural gas 4)ethanol-based biofuel

algae biofuel

Once extracted, the oil that algae produce can be processed to make ____

biodiesel fuel, gasoline, and jet fuel

What type of energy does the enzyme Rubisco produce? 1)kinetic 2)light 3)mechanical 4)chemical

chemical

Which part of the plant is responsible for converting light energy to chemical energy?

chloroplast

Many species of algae appear green to a human because they contain green ____

chloroplasts

Photosynthetic algae are ___ 1) Eukaryotic autotrophs 2)prokaryotic heterotrophs 3)Eukaryotic heterotrophs 4)prokaryotic autotrophs

eukaryotic autotrophs

What fuel source requires the most time to replenish? 1)algae biofuel 2)ethanol-based biofuel 3)rapeseed-based biofuel 4)fossil fuels

fossil fuels

Which renewable fuel is least widely used in the US? 1)geothermal 2)wind 3)hydroelectric 4)biofuels 5)solar

geothermal

Generally, energy lost when transferring from one form to another is lost as ___. 1) oxygen 2) heat 3) carbon dioxide 4) light

heat

Which renewable fuel is most widely used in the United States? 1)hydroelectric 2)wind 3)biofuels 4)solar 5)geothermal

hydroelectric

What type of energy is required to maintain carbon dioxide levels in the algae bioreactors? 1)kinetic 2)chemical 3)potential 4)mechanical

kinetic

What type of energy is heat? 1)Potential energy 2)light energy 3)kinetic energy 4)chemical reaction

kinetic energy

WHat are the oils produced by algae? 1)carbohydrates 2)petroleum 3)natural gas 4)lipids

lipids

What are fossil fuels?

oil, natural gas, and coal

Which of these products produce the least amount og greenhouse gas emissions? 1)rapeseed, canola 2)natural gas 3)soybeans 4)coal 5)corn

rapeseed, canola

The color of an object that we see is the color that it ___ 1)absorbs 2)reflects 3)uses 4)collects

reflects

Which of these are necessary for biofuel production by algae? 1)carbon dioxide and oxygen 2)sugar and carbon dioxide 3)sunlight anf sugar 4)sunlight and carbon dioxide

sunlight and carbon dioxide

What is needed for algae to have photosynthetic capabilities?

sunlight, carbon dioxide, and water

Most algae-growing companies position their locations based on ___. 1) the amount of sunlight throughout the year 2) the median yearly temperature 3) tax benefits 4)population density

the amount of sunlight throughout the year

The oxugen that we breathe in from plants is derived from ___ 1)water 2)carbon dioxide 3)glucose 4)sunlight

water