Rank the following chemical bonds from weakest to strongest:
a. hydrogen, ionic, covalent
b. hydrogen, covalent, ionic
c. ionic, hydrogen, covalent
d. ionic, covalent, hydrogen
e. covalent, ionic, hydrogen
A
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You discover a fungus that makes mainly asexual spores, but that occasionally makes sexual spores. When produced, the sexual spores come out of a thickened, hardened structure. A close examination of hyphae of this fungus reveals no septa. Into which group should you classify this fungus?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Which statement is true of plasma membranes?
a. They have molecules on their surfaces that identify them. b. They are essentially impermeable. c. They are basically static, non-changing structures. d. They are hydrophilic barriers between cells. e. They function primarily through the activity of their carbohydrates.
The granules of neutrophils contain ________.
A. histamine B. antigens C. digestive enzymes D. peroxidase E. antibodies
The duration of an exercise session refers to the number of times per week that exercise is performed.
a. true b. false