BISC 101 Midterm Prep QUESTIONS WITH COMPLETE SOLUTIONS

BISC 101 Midterm Prep QUESTIONS WITH
COMPLETE SOLUTIONS.
Fundamental characteristics of life

cellular

replicates

processes info

requires energy

evolves

Outermost Shell

valence shell

Polar bond

a covalent bond in which electrons are shared unequally

Non polar bond

a covalent bond in which electrons are shared equally

Ionic bond

A chemical bond resulting from the attraction between oppositely charged ions.

Electronegativity from greatest to least

O, N, S, C, H, P

Hydrogen bond

Attraction between a slightly positive hydrogen atom and a slightly negative atom.

, Van der Waals

Weak attractions between molecules or parts of molecules that result from partial charges.

Strongest to weakest bonds

covalent bond

ionic

hydrogen

Van der Waals

Ionic, hydrogen, and Van der Waals are all ___

non-covalent bonds

Polar molecules are ___

hydrophilic (water loving)

Non polar molecules are ___

Hydrophobic -- water fearing, do NOT dissolve in water

-log [H+] is equal to the ___

pH

The building blocks of DNA and RNA

nucleotides

Nucleotides are made of

sugar, base, and a phosphate