1. Biology 2/20/13 Bell Ringer:
NEW SEATS!!
Biology 2/20/13
Bell Ringer:
1. The brown paper test for lipids is positive when food is placed on the paper and a spot forms which will allow light to pass through it. Which food would give the strongest positive test for lipids?
A potato chips C sugar
B bread D carrots
2. Which organic compound is correctly matched with the subunit that composes it?
A. lipid-fatty acid C. protein-nucleotide
B. glycogen-amino acid D. cholesterol-fructose
Place your Graphs and tables in the blue basket and Directions sheet (small one) in the white basket. 1

2. Agenda Enzyme Practice Introduction to Microscopes
Quiz Friday “a” through “omni”
Tuesday: Ecology Test Corrections
STAY IN YOUR SEAT UNTIL GIVEN PERMISSION TO PUSH UNDER YOUR CHAIR. 2

3. AP Biology, 2/20/13
If two modern organisms are distantly related in an evolutionary sense, then one should expect that
A) they live in very different habitats.
B) they should share fewer homologous structures than two more closely related organisms.
C) their chromosomes should be very similar.
they shared a common ancestor relatively recently.
they should be members of the same genus. B 3

4. Agenda Transformation Essay Days 2 Natural Selection Lab
Practice Questions
Print Remaining Evolution Notes/ Read chapter 23
Vocabulary Quiz ch23 Part 1 Thursday
Content Quiz ch 22 Friday
tray 1:06, pipette 3:09