BIO 201 BIO201 Exam 4 2021 (100%) - Straighterline - $15.49   Add to cart

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BIO 201 BIO201 Exam 4 2021 (100%) - Straighterline

BIO 201 BIO201 Exam 4 2021 (100%) - Straighterline Question text There is a good chance you will eat carrageenan today and that you will eat nori at some point in your life, if you haven't already. In either case, you will be eating a product of Select one: a. brown algae b. green algae c. diatoms d. red algae Question text Unlike archaean and eukaryote cell walls, bacterial cell walls contain a unique substance called Select one: a. glycogen b. cellulose c. phospholipid d. peptidoglycan Question 12 Question text Prokaryotic cell walls function Select one: a. as a site of metabolic reactions, photosynthesis and cellular respiration b. to promote flexibility and formation of pseudopodia c. to propel cells d. to prevent the cell from bursting in a hypotonic environment Question 23 Question text The use of prokaryotes and other organisms to clean up pollutants from soil, air, or water is called . Select one: a. decomposition b. nitrogen fixation c. biocomposting d. bioremediation Question text A mushroom Select one: a. is composed of many threadlike filaments called mycorrhizae b. is specialized to obtain most of the nutrients for the fungal mycelium c. is an above-ground reproductive structure connected to a mycelium d. is an independent stage in the alternation of generations of the fungal life cycle Question text The ripened ovary of a flower, which is adapted to disperse seeds, is called a Select one: a. sporangium b. casing c. ovule d. fruit Question text Which part of the life cycle does a pollen grain represent? Select one: a. a spore b. a sperm cell c. a male sporophyte d. a male gametophyte Question text In plants, the vascular tissue made of dead cells that transport water and minerals from the roots is called Select one: a. transport tissue b. meristem c. phloem d. xylem Question 11 Question 2 Question text Which of the following flower parts produces female gametophytes? Select one: a. stigmas b. sepals c. anthers d. ovules Question text Which of the following statements is false? Select one: a. The layers of an onion are actually modified leaves b. A carrot is an example of a taproot c. Stalks of celery are the petioles of the plant d. White potatoes are modified plant roots Question text A woody plant lives through five years of drought, followed by five years of good growing conditions. The ring of xylem cells formed during the five good years will Select one: a. be living, whereas those formed during the drought years will be dead b. be thinner than those formed during the drought years c. conduct a higher ratio of sugar to water than those formed during the drought years d. be thicker than those formed during the drought years Question text Which of the following options best describes the mechanism that causes a stoma to open? Select one: a. K ion activates water pumps in the guard cell membrane that make them turgid b. Loss of K ion from guard cells creates positive pressure and expands the guard cells c. K ion leaves the guard cells and water follows passively, making the cells flaccid d. K ion enters the guard cells and water follows passively, making the cells turgid Question 11

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