Which one of the following is a variation of flowers frequently considered in investigations of flowers and their functions?
A. fragrance
B. color
C. shape
D. number of parts
E. All of these are true
E. All of these are true
Biology & Microbiology
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During a chemical reaction, atoms are ________.
A. rearranged B. created C. destroyed D. destroyed and created
Biology & Microbiology
Cellular integrity and cell wall stabilization of the Halobacterium are aided by
A) potassium ions. B) chloride ions. C) magnesium ions. D) sodium ions.
Biology & Microbiology
These facial bones increase the ability of the nasal passageways to warm and humidify incoming air.
What will be an ideal response?
Biology & Microbiology
Ribozymes are:
a. capable of replicating RNA. c. capable of copying RNA into DNA. b. proteins. d. RNA enzymes.
Biology & Microbiology