Biol 61 Midterm3

Biol 61 Midterm3 - Biol 61 Midterm#3 April 2000 Name Lab Section Read the question and all of the answers carefully and choose the best possible

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Biol 61 Midterm #3 April , 2000 Name______________________________ Lab Section__________________________ Read the question and all of the answers carefully and choose the best possible answer 1. A restriction enzyme will: a. make a cDNA b. cut DNA at a specific site c. join two fragments of DNA d. provide ampicillin resistance e. none of the above 2. Apoptosis (cell suicide) is important in all of the following except: a. development of the immune system b. development of the spaces between fingers and toes c. loss of the tail in a tadpole d. development of the head in Drosophila e. all of the above use apoptosis 3. Which of the following is a characteristic of the monocots? a. a fibrous root system b. flower parts in multiples of 4 or 5 c. netlike leaf veins d. parallel leaf veins e. more than one of the above 4. Which of the following is a characteristic of the dicots? a. a fibrous root system b. flower parts in multiples of 4 or 5 c. netlike leaf veins d. parallel leaf veins e. more than one of the above 5. Which of the following would be a taproot? a. an onion b. a tulip bulb c. a carrot d. a potato e. they are all taproots 6. At the base of a leaf: a. you will find a terminal bud b. you will find an axillary bud c. you may or may not find an axillary bud d. you will find a flower e. you will find secondary growth 7. In the plant, the thin walled cells that are able to divide are: a. parenchyma b. vessel elements and tracheids c. fibers d. sclerenchyma e. sieve cells and companion cells 1
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8. The cells that are found in Xylem are a. parenchyma b. vessel elements and tracheids c. fibers d. sclerenchyma e. sieve cells and companion cells 9. Secondary growth: a. increases height, not thickness b. increases thickness, not height c. increases the size of roots, not shoots d. is found at the root tip only e. none of the above 10. A sheet of cells is most accurately called: a. stratified b. squamous c. connective d. epithelial e. endoderm 11. Which cell type would have the least extracellular matrix? a. connective tissues b. blood c. epithelial tissue d. bone e. more than one of the above 12. Which of the following is not a connective tissue? a. blood b. bone c. muscle d. cartilage e. all of the above are connective tissue 13. Organs: a. are made of a mix of tissues b. are made of only a single tissue type c. act alone, without any interaction with other organs d. more than one of the above e. none of the above 14. Which cell types are excitable but do not contract? a. muscles b. connective c. epithelial d. neurons e. all of the above 15. Which type of muscle is mostly or completely under voluntary control? a. Skeletal (striated) b. Cardiac c. Smooth d. Smooth and cardiac e. Striated and cardiac 2
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16. In a section of tissue, you observe that the cells are in sheets, shaped like floor tiles (squares that are not very tall) and that this tissue is several layers thick. It is: a. simple squamous epithelium b. stratified cuboidal epithelium c. pseudostratified epithelium
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This note was uploaded on 01/15/2011 for the course BIOL 61 taught by Professor Vierra during the Spring '08 term at Pacific.

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Biol 61 Midterm3 - Biol 61 Midterm#3 April 2000 Name Lab Section Read the question and all of the answers carefully and choose the best possible

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