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Biology Vocab. 2-3-4

Biology Vocabulary

QuestionAnswer
Polar An uneven distribution of charge in an atom
Cohesion The attraction of the same molecule
Adhesion The attraction of different molecules
Hydrogen Bond The attraction of a partial positive or full negative charge in an atom with a hydrogen molecule
Hydroxide Ion OH- ion
Hydronium Ion H3O+ ion
Acid A solution with more Hydronium ions
Base A solution with more Hydroxide ions
pH Scale A scale used to determine the level of acidity or basicity
Buffer Chemicals that neutralize small amounts of acids or bases
Organic Compound Living things made almost entirely of carbon atoms
Monomer Smaller and simpler compounds in a molecule
Polymer A molecule of repeated, linked units
Condensation Reaction When monomers link to become polymers
ATP Adenosine Triphosphate
Carbohydrate Organic compounds made of carbon, hydrogen, and oxygen
Monosaccharide A monomers of a carbohydrate
Disaccharide Two monosaccharides join to become a doug
Polysaccharide Made of three or more monosaccharides
Protein Organic compounds mostly made of carbon
Amino Acids A protein's monomer
Peptide Bond When two amino acids make a covalent bond
Polypeptide Long chain of amino acids
Enzyme RNA/ protein molecules that act as catalysts
Substrate The reactant that is catalyzed
Active Site An enzyme's folds
Lipid Large non-polar organic molecules
Steroid A lipid with 4 fused carbon rings
Nucleic Acid Large, complex organic molecules
Nucleotide Made of three main components
Polar An uneven distribution of charge in an atom
Cohesion The attraction of the same molecule
Adhesion The attraction of different molecules
Hydrogen Bond The attraction of a partial positive or full negative charge in an atom with a hydrogen molecule
Hydroxide Ion OH- ion
Hydronium Ion H3O+ ion
Acid A solution with more Hydronium ions
Base A solution with more Hydroxide ions
pH Scale A scale used to determine the level of acidity or basicity
Buffer Chemicals that neutralize small amounts of acids or bases
Organic Compound Living things made almost entirely of carbon atoms
Monomer Smaller and simpler compounds in a molecule
Polymer A molecule of repeated, linked units
Condensation Reaction When monomers link to become polymers
ATP Adenosine Triphosphate
Carbohydrate Organic compounds made of carbon, hydrogen, and oxygen
Monosaccharide A monomers of a carbohydrate
Disaccharide Two monosaccharides join to become a doug
Polysaccharide Three or more monosaccharides
Protein Organic compounds made of carbon, hydrogen, oxygen, and nitrogen
Amino Acids Monomers of protein
Peptide Bond When two amino acids form a covalent bond
Polypeptide Long chains of amino acids
Enzyme RNA/ protein molecules that act as catalysts
Substrate The reactant being catalyzed
Active Site An enzyme's folds
Lipid Large non-polar organic molecules
Steroid 4-fused carbon rings
Nucleic Acid Large complex organic molecules
Nucleotide Made of 3 main components
Cell The smallest unit that can carry on the process of life
Cytoplasm The fluids and cytoskeleton within the plasma membrane
Cytosol Non-membrane-bound organelles
Prokaryote Organisms that lack a membrane-bound nucleus and organelles
Eukaryote Made of one or more cells that have a nucleus
Organelle Bodies that perform specific functions for a cell
Cytoskeleton A network of filaments within the cytosol
Microtubule Hollow tubes made of protein
Microfilament Like macro tubules, only smaller
Cilium Hair-like structures that appear on the outside of a cell
Flagellum A Hair-like structure used to move a cell
Plastid Are surrounded by a double membrane and make their own DNA- Plants only
Created by: trollbed
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