A euryhaline species can tolerate:
a. a wide range of temperatures.
b. a narrow range of temperatures.
c. a wide range of salinities.
d. a narrow range of salinities.
C
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While observing a new species of seaweed under the microscope, it becomes apparent that the entire organism is one large cell containing several nuclei. Which of the following best describes the organization of this organism?
A. coenocytic B. complex multicellular C. simple multicellular D. filamentous E. eukaryotic
Diseases such as scrapie in sheep, "mad cow" disease in cattle, and Creutzfeldt-Jakob disease in humans are known as
A. viroids. B. viruses. C. retroviruses. D. TSEs (transmissible spongiform encephalopathies). E. emerging viruses, for example Ebola.
During anaphase, homologous chromosomes separate.
a. true b. false
What happens to glutamic acid 35 and aspartic acid 52 at the end of the reaction?
A.) both amino acids are restored to their original forms B.) glutamic acid is deprotonated and negatively charged C.) lysozyme is destroyed and recycled as the product is released D.) aspartic acid has formed a covalent bond with the first sugar