Chlamydiae can be transmitted by ALL of the following ways EXCEPT
a. airborne invasion of the respiratory system.
b. transmission of the elementary bodies.
c. arthropod vectors.
d. sexual contact.
Answer: C
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Damage to the sinoatrial node in humans _____
A) is a major contributor to heart attacks B) would block conductance between the bundle branches and the Purkinje fibers C) would have a negative effect on peripheral resistance D) would disrupt the rate and timing of cardiac muscle contractions E) would have a direct effect on blood pressure monitors in the aorta
The first modern practitioner of taxonomy was ____
a. Ernst Mayr b. Jean Baptiste de Lamarck c. Alfred Russel Wallace d. Charles Darwin e. Carolus Linnaeus
The development of an adult from an unfertilized egg is called ________.
Fill in the blank(s) with the appropriate word(s).
Normal fruit fly larvae move away from their food after eating. However, some larvae that were subjected to X-rays remain near or in their food after eating. There is a consistent difference in the DNA of these two types of larvae
What can we conclude about this behavior? A) It is an innate behavior. B) It appears to be entirely learned. C) Nothing can be concluded about this behavior from the information provided. D) It has a clear genetic component.