What kind of pteropod or sea butterfly has completely lost its shell?
a. Apteropod
b. Gastropod
c. Thecosome pteropod
d. Gymnosome pteropod
d
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The most common limit to plant growth is a lack of
a. phosphorous. b. carbon. c. hydrogen. d. oxygen. e. nitrogen.
Viruses attach to their hosts via ________.
A. carbohydrate attachments of the viral capsid B. viral flagella C. viral phospholipids D. host phospholipids E. host glycoproteins
Which of the following is (are) true concerning
tetanus? a. The pathogen spreads through the air. b. The pathogen is ingested through tainted canned food. c. The pathogen is a virus. d. Blood or nerves deliver the toxin to the spinal cord and brain. e. All of these are true.
In pedigree analysis, it is easiest to identify the individual most likely to be the source of the mutation
if the mutation is A. mitochondrial. B. recessive. C. autosomal dominant. D. sex-linked recessive. E. pseudoautosomal.