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energy Flashcards

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Biology 101 flashcards
1
Q

energy

A

something has energy it has the ability to make something happen when that energy is transfered

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2
Q

respiration

A

the process of living things in which oxygen is used to release the energy in food

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3
Q

glucose

A

a simple sugar molecule

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4
Q

aerobic respiration

A

respiration that involves oxygen

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5
Q

reactant

A

a starting substance in a chemical reaction

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6
Q

photosynthesis

A

the process by which energy from sunlight, water and carbon dioxide are used by green plants to produce glucose and oxygen.

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7
Q

product

A

a substance formed in a chemical reaction

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8
Q

germinating

A

beginning to grow into a plant from a seed

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9
Q

mitochondria

A

the structure in a cell that produces energy

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10
Q

cell membrane

A

the layer around the cell that controls the substances entering and leaving the cell.

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11
Q

enzymes

A

a substance that enable a chemical process in a living organism

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12
Q

digestive system

A

a group of organs working together to enable the digestion of food

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13
Q

breathing system

A

takes oxygen into the body and carbon dioxide out

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14
Q

circulatory system

A

the heart and blood vessels transport the essential substances around the body in blood.

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15
Q

phloem

A

a tissue made up of long tubes that transport glucose made in leaves of a plant to other parts

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16
Q

stomata

A

tiny pores on the underneath surface of a leaf which gases can move in and out

17
Q

anaerobic respiration

A

respiration without using oxygen

18
Q

lactic acid

A

a substance produces in anaerobic respiration which builds during vigorous exercise and causes an aching or burning feeling in the muscles.

19
Q

oxygen debt

A

the oxygen needed to break down lactic acid produced as a result of vigorous exercise

20
Q

glycogen

A

a storage molecule formed from a chain of glucose units and often stored in the liver

21
Q

fermentation

A

type or anaerobic respiration that produces ethanol and carbon dioxide

22
Q

microbe

A

tiny organisms like bacteria and viruses that can only be seen with a microscope

23
Q

yeast

A

a unicellular fungus

24
Q

brewing

A

cereal grains are soaked in water and fermented yeast

25
Q

fossil fuel

A

coal, natural gas and oil that were formed by the compressed remains of the plants and other organisms that died millions of years ago

26
Q

independent variable

A

a variable in an experiment that affects the outcome and is changed

27
Q

dependent variable

A

the variable that is measured in an investigation

28
Q

catalyst

A

substance that speeds up a chemical reaction

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