Which of the following is NOT a source of water loss in humans?
1. urination.
2. defecation.
3. perspiration.
4. circulation.
5. respiration.
Ans: 4. circulation.
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Which of the following is LEAST commonly associated with endospore-forming bacteria?
A) coccus-shaped B) defense C) dormancy D) saprophytic
Viral tissue specificities are called ________.
A. ranges B. virions C. uncoating D. tropisms E. receptacles
The seeds of many plant species are dispersed by a harmless temporary attachment to an animal's fur or feathers. This form of dispersal can be classified as
A. ectoparasitism. B. amensalism. C. mutualism. D. pollination. E. phoresy.
DNA sequencing can reveal
A) mutations that do not alter phenotype. B) mutations that do not alter genotype. C) which tissues express a gene. D) how many genes a person has.