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Intro to Cell and Molecular Biology

Intro to Cell and Molecular Biology

Last update 

Biology - Intro to cell and molecular bio

Items (48)

  • Electronegativity of 2 atoms are similar/ Sharing of E- is similar

    Non-Polar Molecules

  • "Greedy" for E-. Reflects an atoms attraction for shared E- in a covalent bond

    Electronegativity

  • Weak attraction (-),(+) charges between molecules

    Hydrogen Bond

  • An atom gains or loses an E-

    Ionic Bond

  • Sharing of E- to satisfy the # of E- in the valence shell

    Covalent Bond

  • Atoms can share, gain, or lose an E-

    Chemical Bond

  • 2 or more atoms of different elements join to create?

    Compounds

  • 2 or more atoms of the same element are joined create?

    Molecules

  • substances that cannot be broken down into simpler substances by ordinary methods

    Elements

  • Different atomic configurations of atom

    Isotope

  • Sum of the Atomic Weights of a molecules constituent atoms

    Molecular Weight

  • the time taken for the radioactivity of a specified isotope to fall to half its original value.

    Half-life

  • Animals, plants, Flies are?

    Multi-celled Eukaryotes

  • Yeast, paramecia, and amoeba are?

    Single celled Eukaryotes

  • Has a nucleus

    Eukaryote

  • No nucleus

    Prokaryote

  • Name the 5 Kingdoms

    Monera (prokaryote), Protista (protozoa, Eukaryote), Fungi, Plantae, Animalia

  • Name the 3 Domains

    Eukarya, Archaea, Bacteria

  • Spontaneous Ion formation

    Ionization

  • Hates water, does not dissolve in water (non-polar)

    Hydrophobic

  • Loves water, will react/dissolve in water (polar)

    Hydrophilic

  • Electronegativity between 2 atoms is different; favored towards atom with the most E-'s

    Polar molecule

  • Through Ionization, water creates H+ and OH- ions

    Characteristics of water

  • H+

    Hydrogen (ion)

  • Fe+2

    Iron (ion)

  • HCO3

    Bicarbonate (buffer)

  • K+

    Potassium

  • Mg+3

    Magnesium (ion)

  • PO4-3

    Phosphorus

  • Na+

    Sodium

  • Cl-

    Chloride

  • Name the Electrolytes

    Hydrogen, Iron, Bicarbonate, Potassium, Magnesium, Phosphorus, Sodium, Chloride

  • Name the electron configuration

    2-8-8

  • PH lower than 7

    Acid

  • PH higher than 7

    Basic

  • Acidosis

    Too many hydrogen Ions in the system

  • Alkalosis

    Too few Hydrogen Ions in the system (too many Hydroxide Ions)

  • Molecules with the same empirical/molecular formula but different structures

    Isomer

  • "Trans" Isomer

    Carbon Molecules are not on the same plane

  • "Cis" Isomers

    Carbon molecules are on the same plane

  • Enantiomers

    Mirror images

  • Functional groups

    Reactive spots on an organic molecule giving it specific chemical characteristics

  • Carboxyl

    R-COOH (Carbon with a =O and -OH)

  • Carbynol

    R-CO (C=O typically with a single - to another atom, usually H)

  • Amino

    R-NHH or NH2 (Nitrogen with two single -H)

  • Sulfhydryl

    R-SH

  • Phosphate

    R-PO(OH2) (Phosphate with a =O and 2 - OH)

  • Methyl

    R-CH3 (Carbon with 3 single - H)