BIO 161 - PSU - EXAM 1 QUESTIONS AND ANSWERS A+ GRADED
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Course
BIO 161
Institution
BIO 161
BIO 161 - PSU - EXAM 1 QUESTIONS AND ANSWERS A+ GRADED
Electron
negatively charged subatomic particle
Proton
positively charged subatomic particle
Neutrons
neutral subatomic particle
Atomic Number
number of protons found in the nucleus of an atom
Ion
charged atom, uneven number of p...
BIO 161 - PSU - EXAM 1 QUESTIONS AND ANSWERS
A+ GRADED
Electron
negatively charged subatomic particle
Proton
positively charged subatomic particle
Neutrons
neutral subatomic particle
Atomic Number
number of protons found in the nucleus of an atom
Ion
charged atom, uneven number of protons and electrons
Cation
positively charged ion, loses electrons
Anion
negatively charged ion, gains electrons
Ionic Bond (weakest bond)
chemical connection, one atom loses valence electrons and gains from another
Polar Covalent Bond
electrons are shared unequally between atoms, charged
Non-Polar Covalent Bond
electrons are shared equally, neutral
Hydrogen Bond
occurs between polar molecules, attractive force between a hydrogen atom covalently
bonded to a very electronegative atom such as N, O, or F and another electronegative
atom
Monomer
single molecular unit of a polymer
Polymer
molecule containing many repeating monomers
Carbohydrate (glucose monomer, glycogen polymer)
organic compound like sugar or starch used for energy storage
Lipids (main function)
fatty compounds that preform many bodily functions
Phospholipids (function)
form cell/organelle membranes
Triglycerides (function)
energy storage and insulation
Steroids (function and formation)
makes up the cell membrane, many animal hormones and vitamin D, formed from
carbon rings
Hydrophilic
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