DIRECTIONS: Choose the best option to complete each sentence. Write ONLY the letter in the blank.    1. An abstract idea is about something like . a. plans for Saturday night b. love or beauty     2. If you acknowledge your mistakes, you  . a. pretend they never happened b. accept them and try to do better     3. When a company dismisses 600 employees, they . a. are no longer employed there b. all get substantial raises     4. If you imitate someone, . a. you record what they do b. you copy what they do     5. If you master the martial art of tae kwon do, you   a. are an expert of it b. stop at the beginner level because it’s too hard  

Fill in the blank with the correct word from the new reading. Be careful with spelling!   1. What synonym is used for companies in paragraph B?  2. What transition word is used in paragraph D to provide further information?  3. What does the word their refer to in the fourth sentence of paragraph E?

What is this passage mainly about? a. the challenges that prospective drone delivery companies are facing b. the effect drone delivery will have on truck delivery companies c. the dangerous side-effects of drone delivery d. the solutions that prospective drone delivery companies have proposed

Which of the following junctions uses connexons to make channels?

Name all the cell-cell and cell-ECM junctions shown here 1-6.  (Intermediate filaments are blue and actin filaments are red).   . word bank:  focal adhesion, adhesion belt, tight junction, gap junction, desmosome, hemidesmosome (use same spelling, no caps, no periods)  

Match the transmembrane proteins to their functions.

Label or identify these different organizations of actin.  Word bank: parallel bundle =1, gel =2, contractile bundle=3, branched network =4.  Just use the number to avoid spelling issues.

Someone shines a bright light in your face causing your eyes to flinch and pupils slightly dilate. What muscles cells are being worked here? 

Frog skeletal muscle contains thick filaments that are 3.0um long and thin filaments 2.0 um long.  If the uncontracted sarcomere is 4.4 um long, and the contracted sarcomere is 3.4 um long, what is the length of the A bands in micrometers   and I bands before contraction?  And after contraction what is the size of the A band and I bands in micrometers?  Your answer should be a number with one figure after a decimal point like 1.0 or 1.1 as examples.

Which of the following experimental changes would most likely cause a microtubule to rapidly depolymerize, even if tubulin dimers are still available?