Using an alcohol pad before taking a blood sample is an example of antisepsis.
Answer the following statement true (T) or false (F)
True
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The most common etiologic agent of lower respiratory tract infection among adults younger than 30 years of age is:
a. Chlamydophila pneumoniae. b. Mycoplasma pneumoniae. c. Streptococcus pneumoniae. d. Haemophilus influenzae.
Synaptonemal complexes form during
A. prophase of meiosis I. B. prophase of meiosis II. C. prophase of meiosis I and meiosis II. D. prometaphase of meiosis I. E. prometaphase of meiosis II.
An energy pyramid illustrates ____
a. the first law of thermodynamics b. the diminishing of usable energy as it is transferred through an ecosystem c. that energy can be recycled d. the biological magnification of materials in an ecosystem e. the diminishing number of organisms at each trophic level
ABO blood types are controlled by
a. single genes. b. multiple alleles. c. incomplete dominance. d. codominance. e. both multiple alleles and codominance.