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Question
Primary endosymbioses gave rise to ________ and secondary endosymbioses gave rise to ________.A) chloroplasts in algae / chloroplasts in plants
B) mitochondria in eukaryotes / chloroplasts in eukaryotes
C) chloroplasts and mitochondria in plants and red and green algae / chloroplasts in other eukaryotes
D) chloroplasts and mitochondria in green and red algae / chloroplasts and mitochondria in diatoms
Answer
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A) gonorrhea.
B) influenza.
C) hepatitis.
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A) Staphylococcus aureus
B) Escherichia coli O157:H7
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Which of the following statements about chlamydial infections is TRUE?
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The Spanish flu of 1918 was caused by an ________ influenza virus.
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A) vectors can be controlled through other means.
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In 2003, the majority of AIDS deaths occurred in
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C) Europe.
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The study of the occurrence, distribution, and determinants of health and disease in a population is the field of
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C) mortality / morbidity
D) morbidity / mortality
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Cholera is an example of a pandemic disease that
A) has multiple wild animal reservoirs and is thus difficult to eradicate.
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C) is spread through direct contact and has only a human reservoir.
D) has recently emerged due to overcrowding in urban centers.
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Influenza pandemics occur cyclically because
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A) one
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