A botanist conducted an experiment to test the effect of light on plants. Fifty plants of a flowering species were grown for 60 days under different lengths of artificial daylight. Flowers could be white or pink based on the parent plant genes
The amount of water and fertilizer provided was constant. At the end of the experiment, the size of each leaf for all plants is measured. What is the dependent variable in this experiment? A) duration of artificial daylight
B) flower's color
C) leaf's size
D) duration of the experiment
C
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There is a test for the presence of Huntington's allele in symptomless individuals. Would you recommend that Andrew have himself tested?
a. Yes b. No
The pathway that a secretory protein takes from inside to outside is: rough endoplasmic reticulum, ________, Golgi complex, ________, outside the cell.
Fill in the blank(s) with the appropriate word(s).
Which of the following produce the type III secretion system virulence factor?
A) E. coli O157:H7 B) Shigella C) Salmonella D) both E. coli O157:H7 and Salmonella E) E. coli O157:H7, Shigella and Salmonella
Which of the following organisms is likely to be transmitted via undercooked pork and horse?
A) Salmonella enterica B) Staphylococcus aureus C) Trichinella spiralis D) Entamoeba histolytica E) Shigella spp.