POB Test Lecutres 1-11

Question 1

Purines Pyrimidines

Answer 1

ACTG Small/large

Question 2

Transcription

Answer 2

DNA to mRNA

Question 3

Bond/interaction types

Answer 3

Polar Nonpolar Hydrogen Ionic Glycosidic Hydrophilic linkages Ester linkages Disulfide Phosphodiester

Question 4

Natural selection

Answer 4

Disruptive, directional, stabilizing

Question 5

Nucleic Acid

Answer 5

Nucleotides Phosphate Sugar Nitrogenous bases

Question 6

Proteins

Answer 6

Polypeptide Peptide bond Enzymes

Question 7

Enzyme Regulation

Answer 7

Allosteric - anywhere except active site - positive (speed up reaction) or negative (can’t bind) Competitive - blocks active site

Question 8

Types of energy Thermodynamics

Answer 8

Kinetic/potential/chemical/thermal/heat

Question 9

pH scale

Answer 9

-log [H+] - Acidic - low number - high h+ Basic - high number - low h+

Question 10

Cohesion and adhesion

Answer 10

Sticking together Adhesion sticking to other things Capillary action - bonds by adhesion, cohesion follows

Question 11

Translation

Answer 11

mRNA-> proteins

Question 12

Saturated vs unsaturated

Answer 12

Fats

Question 13

Start codon

Answer 13

AUG (Met)

Question 14

Energy reaction types

Answer 14

Catabolic - break Anabolic Endergonic Exergonic Hydrolysis - breaks bonds - break water Dehydration synthesis

Question 15

Lipids

Answer 15

Fats Phospholipids Nonpolar Glycerol Fatty acid Ester linkage

Question 16

Biotic/Abiotic factors

Answer 16

Predation/co-surviving Climate

Question 17

Carbohydrates

Answer 17

Polysaccharides Sugar Carbon ring Starch Glycosidic linkages Energy

Question 18

Hypertonic

Answer 18

Lower concentration

(high outside, low inside)

Question 19

Hypotonic

Answer 19

Higher Concentration

(low outside, high inside)