Atoms that bear a positive or negative charge are known as:
A. ions
B. electrically neutral
C. magnetic
D. lacking nuclei
Answer: A
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Staphylococcal food poisoning is caused by the ingestion of improperly stored or cooked food in which ________ has grown.
A. Staphylococcus aureus B. Staphylococcus epidermidis C. Staphylococcus pneumoniae D. All of the choices are correct.
You are given a piece of connective tissue that you observe to be white, firm, and consists of a matrix of collagen. When chemically analyzed, it is found to contain high concentrations of minerals. What kind of connective tissue is this?
A. bone B. cartilage C. adipose D. dense connective E. blood
."A change over time" is the definition of
a. mutation. b. homeostasis. c. physiology. d. evolution. e. respiration.
Plants, algae, and certain prokaryotes are:a
photoheterotrophs b. chemoheterotrophs. c. chemoautotrophs. d. independent trophs. e. photoautotrophs.