The ________ forms the basic unit in ecology
Fill in the blank(s) with correct word
individual
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Which of the following characteristics are
shared by all living organisms? I. organization into cells II. adaptation to environmental change III. requirement for nutrients IV. DNA housed in a nucleus
a. I and II b. I and III c. II and III d. I, II, and III e. I, II, III, and IV
Irregular dental hygiene and a high sugar diet may led to tooth decay. Why?
A. Bacteria consume calcium. B. Glucose forms a weak acid when dissolved in saliva. C. High concentrations of sugar soften the tooth enamel. D. Lactic acid fermentation is used to generate ATP under anaerobic conditions. E. Plaque degrades the tooth's protective mucosal layers.
All B cells produce the same type of antibodies
Indicate whether the statement is true or false
Antivirals that target reverse transcriptase would be used to treat
A. hepatitis C virus. B. HIV. C. influenza A virus. D. herpes zoster virus. E. respiratory syncytial virus.