The urinary bladder is protected from leaking by cell-to-cell junctions called

A) desmosomes. B) tight junctions. C) gap junctions. D) plasmodesmata.


B

Biology & Microbiology

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Osmoreceptors detect

a. chemical substances. b. pressure changes. c. vibrational changes. d. light wavelengths. e. changes in solute concentration.

Biology & Microbiology

Why is vaccination for rubella recommended?

A) It has a high mortality rate in school-age children. B) Death from secondary infections is common. C) There is a high incidence of congenital infections and birth defects. D) Health care workers have a high incidence of infection. E) It is no longer recommended; rubella has been eradicated.

Biology & Microbiology

The attempt of two organisms trying to utilize the same resource is called

A. parasitism. B. interference. C. synergy. D. competition.

Biology & Microbiology

Figure 29.12 C Use the accompanying figure of a Capsella seed to answer the following question. ? A cotyledon is indicated by the letter ____.

A. A B. B C. C D. D E. E

Biology & Microbiology