Which group of organisms is difficult to control through immunization because of their rapid and unpredictable genetic mutations?
A) vector-borne organisms
B) RNA viruses
C) Archaea
D) DNA viruses
Answer: B
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Recall the experiment on ant navigation. To run a controlled experiment, what parameters were held constant for the test group of 75 ants?
A) stride number B) leg length C) stride number, leg length, and environmental temperature D) all variables except leg length
The bond that holds amino acids together is called
A. glycosidic bond B. hydrogen bond C. ionic bond D. peptide bond
Which of the following describes the property shared by elements within the same column (or group) in the periodic table of elements?
a. Elements within the same group have the same electrical charge. b. Elements within the same group have the same number of neutrons in their nuclei. c. Elements within the same group share the same electron configuration in their valence shells. d. Elements within the same group have the same atomic radius.
Cell-to-cell contact is required for transduction to occur
Indicate whether the statement is true or false