The core of secondary xylem makes up ________% of the weight of many plants
a. 50
b. 65
c. 38
d. 12
e. 90
e
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Dennis had a history of heart disease in his family and was reducing his intake of saturated fats. Saturated means each carbon atom is bonded to as many hydrogen atoms as it can accept. If a carbon were bonded to two carbons, how many hydrogens could it accept?
A. 0 B. 1 C. 2 D. 3 E. 4
The plant hormone ____ is primarily responsible for helping break the dormancy of seeds and buds
a. gibberellin b. cytokinin c. ethylene d. auxin e. jasmonate
Rachel is pregnant and has morning sickness. She should do all the following EXCEPT
Select one: a. eat dry soda crackers upon waking. b. cook with windows open to dissipate nauseating smells. c. eat large, less frequent meals. d. avoid fatty and fried foods.
"cell drinking"
What will be an ideal response?