What concept is used to express the growth rate of a
given population?
a. doubling time
b. population density
c. population size
d. carrying capacity
e. biotic potential
Answer: a
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When nucleotides polymerize to form a nucleic acid _____
A) a covalent bond forms between the sugar of one nucleotide and the phosphate of a second B) a hydrogen bond forms between the sugar of one nucleotide and the phosphate of a second C) covalent bonds form between the bases of two nucleotides D) hydrogen bonds form between the bases of two nucleotides
Imagine you have extracted myosin molecules from both fast and slow muscle fibers and are measuring the rate at which these proteins hydrolyze ATP. What would these relative rates of ATP hydrolysis be?
A. fast fiber > slow fiber B. slow fiber = fast fiber C. slow fiber > fast fiber
The relationship between nectar-producing flowers and nectar-feeding birds is a mutually beneficial interaction
Indicate whether the statement is true or false
The process of nitrogen fixation involves the transformation of ________.
A. ammonia to organic matter nitrogen B. nitrate to nitrogen gas C. nitrogen gas to ammonia D. ammonia to nitrate