How are prions different from all other known infectious agents?
A) They cannot reproduce outside a cell.
B) They act as slow viruses.
C) They cause neurological problems.
D) They can be destroyed by incineration.
E) They lack nucleic acid.
E
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The most commonly reported STI in the United States is ________.
A. gonorrhea B. syphilis C. HIV infection D. Chlamydia infection E. genital herpes
When insulation fails, many animals resort to ________, which is a form of involuntary muscular activity that increases heat production
Fill in the blank(s) with correct word
A diploid individual has a maximum of ____ different alleles for a particular locus
a. one b. two c. three d. four e. more than four
Which of the following correctly matches the vessel to the oxygen status of the blood that it contains?
A. Endometrial Vein - Low O2 B. Intervillous Space - No O2 C. Spiral Artery - Low O2 D. Umbilical Artery - High O2 E. Umbilical Vein - Low O2