College General Biology Exam I with
Answers
General Characteristics of Living Organisms - 1.) Require nutrients and energy
2.) Are homeostatic
3.) Respond to the environment
4.) Reproduce and Develop
5.) Adapt
Elements in Living Organisms - 1.) Hydrogen
2.) Oxygen
3.) Nitrogen
4.) Carbon
5.) sulfur
6.) Phosphorus
Ionic bonds - Attraction between opposite charges
Covalent Bond - Sharing electrons to complete the outer shell.
Single Covalent Bond - Sharing one pair of electrons.
pH below 7 - is Acidic
pH above 7 - is Basic
pH of 7 - is neutral
Monosaccharide - (ONE) Simple sugar; carbohydrate that can not be broken down by
hydrolysis. Ex: Glucose
Disaccharide - Sugar that contains two monosaccharide (two simple sugars). EX:
Lactose
Polysaccharide - (Many sugar) Polymer made from sugar monomers
Lipids - Tend to be soluble in nonpolar solvents including (fats and oils).
DNA - Double stranded (Double helix). Deoxyribose.
A-T
C-G
RNA - Single Stranded
A-U
Answers
General Characteristics of Living Organisms - 1.) Require nutrients and energy
2.) Are homeostatic
3.) Respond to the environment
4.) Reproduce and Develop
5.) Adapt
Elements in Living Organisms - 1.) Hydrogen
2.) Oxygen
3.) Nitrogen
4.) Carbon
5.) sulfur
6.) Phosphorus
Ionic bonds - Attraction between opposite charges
Covalent Bond - Sharing electrons to complete the outer shell.
Single Covalent Bond - Sharing one pair of electrons.
pH below 7 - is Acidic
pH above 7 - is Basic
pH of 7 - is neutral
Monosaccharide - (ONE) Simple sugar; carbohydrate that can not be broken down by
hydrolysis. Ex: Glucose
Disaccharide - Sugar that contains two monosaccharide (two simple sugars). EX:
Lactose
Polysaccharide - (Many sugar) Polymer made from sugar monomers
Lipids - Tend to be soluble in nonpolar solvents including (fats and oils).
DNA - Double stranded (Double helix). Deoxyribose.
A-T
C-G
RNA - Single Stranded
A-U
