Biology Vocab Flashcards

0
Q

Homeostasis

A

State of a stable equilibrium maintained by physiological processes

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1
Q

Metabolism

A

The chemical process that happens in each living organism to stay alive

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2
Q

Molecule

A

Atoms bonded together making the smallest unit of a chemical compound that can take part in a chemical reaction

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3
Q

Organic compounds

A

Any compound of carbon and another element

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4
Q

Carbohydrate

A

Organic compounds in foods and living tissues including sugars and starch

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5
Q

Chitin

A

A fibrous substance forming the constituent in the cell walls of fungi

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6
Q

Cellulose

A

An insoluble substance that is the main constituent of plant cell and fungi walls

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7
Q

Proteins

A

nitrogenous organic compounds that are made of argue molecules made of chains of amino acids essential to living organisms

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8
Q

Amino acids

A

Organic compound containing a carboxyl and amino group

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9
Q

Enzymes

A

Substance produces by living organism that acts as a catalyst to bring about a specific reaction

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10
Q

Hormones

A

Regulatory substance transported in blood to stimulate specific cells into actions

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11
Q

Lipids

A

Organic compounds that are fatty acids and are insoluble in water but soluble on other substances

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12
Q

Nucleus acids/nucleotides

A

A compound consisting of a nucleoside linked to a phosphate group Nucleotides form the basic structural unit of nucleus acids like DNA

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13
Q

DNA

A

Self replicating material in all living things and carrier of generic info

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14
Q

RNA

A

Nucleus acid that cat as a messenger for carrying instructions from DNA for controlling the synthesis of proteins

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15
Q

Nitrogen bases

A

Nitrogen bearing compound with chemical properties of a base

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16
Q

ATP

A

Transports chemical energy within cels for metabolism

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17
Q

ADP

A

Organic compound in metabolism and essential to the flow of energy within cells

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18
Q

Photosynthesis

A

Process where green plants use sunlight to synthesize foods from carbon dioxide and water

19
Q

Pigments

A

The natural coloring matter of animals of plant tissue

20
Q

Chlorophyll

A

A green pigment responsible for absorbing light to make energy for photosynthesis

21
Q

Carbon fixation

A

Process where gaseous carbon dioxide is changed to a solid compound

22
Q

Autotrophs

A

An organism that makes its own food and is self sustaining

23
Q

Heterotrophs

A

Organism that takes its nutritional requirements from other organic substances

24
Cellular respiration
Metabolic process where organisms take energy from organic molecules
25
Aerobic
With air
26
Anaerobic
No air
27
Primary production.
Production of organic compounds through processes like photosynthesis
28
Primary producer
Organisms that produce biomass from inorganic compounds
29
Prokaryotes
Single called organism with no nucleus (bacteria)
30
Eukaryotes
Multiple cells organisms with a nucleus
31
Golgi apparatus
Modify proteins made by cells and package and export proteins
32
Nucleus
Most important thing / holds DNA an controls organisms activity
33
Plasma membrane
Membrane made of lipids and proteins and regulates the passage of molecules in and out of cytoplasm
34
Mitochondria
Powers the organism with energy by breaking down sugars
35
Endoplasmic reticulum
Carries material through cell and helps makes proteins
36
Smooth ER
Carries material through cell and helps makes proteins with no ribosomes
37
Rough ER
Carries material through cell and helps makes proteins with ribosomes
38
Ribosomes
Makes proteins
39
Cytoplasm
Jelly stuff suppers surround and protects cell organelles
40
Cytoskeleton
Strengthen cell and maintains the shape and mixes the organelles
41
Vacuole
Sacs that store food sugars water and waste
42
Chloroplast
Uses energy from the sun to make food for the plant (photosynthesis) releases oxygen
43
Cell wall
Supports protects an allows things to go in and out of cell
44
Flagella
Movement
45
Cilia
Movement