__________ is credited with the discovery of prions as a new biological principle of infection
a. Stanley Prusiner
b. Anton van Leeuwenhoek
c. Dmitrii Ivanowsky
d. Stanley Brenner
e. Carl Woese
A
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Small, nonterritorial male marine iguanas typically have their mating interrupted by larger males prior to ejaculation. What alternative mating strategy have these small males developed to compensate for this?
A) Small males form coalitions and distract larger males to allow enough time for copulation. B) Small males induce ejaculation prior to copulation, and store the ejaculate in their cloacal pouches. C) Small males have developed the ability to induce ejaculation much more quickly than large males. D) Small males have developed sperm that are more efficient at fertilization than the sperm of larger males.
The intervertebral disks are classified as ____
a. synovial joints b. fibrous joints c. membranous joints d. cartilaginous joints e. hinge joints
As a Drosophila larva molts and becomes a pupa, most of the larval tissues die and adult structures are formed from cells in clusters known as imaginal discs that have remained unchanged throughout the larval stages
Therefore, the disc cells are __________. A) maternal B) zygotic C) embryonal D) differentiated E) transcriptionally activated
Standard pasteurization methods are used to
A) reduce microbes that cause spoilage. B) remove all thermoduric microbes. C) reduce microbes that cause disease. D) remove all microbes. E) reduce microbes that cause disease or spoilage.