The most serious consequence to humans of a decrease in global biodiversity would be the _____
A) increase in global warming and thinning of the ozone layer
B) potential loss of ecosystem services on which people depend
C) increase in the abundance and diversity of edge-adapted species
D) loss of source of genetic diversity to preserve endangered species
E) loss of species for use as crops.
Answer: B
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If Na+ levels were depleted in the extracellular fluid, rate of glucose movement would
A. increase. B. decrease. C. stay the same. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about coupled transport of glucose and sodium? What other information is related to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Males are more commonly affected by X-linked recessive genetic disorders than females because ____
a. females have two X chromosomes; therefore, they do not inherit recessive alleles b. males have only one X chromosome; therefore, they express all recessive X-linked traits c. males have only one X chromosome; therefore, they have multiple alleles for each X-linked gene d. Y chromosomes cause X-linked gene mutations e. males are genetically weaker than females
Which term applies to the chytrids?
a. aquatic b. parasites of plants c. symbiotic partners of cattle and other herbivores d. saprobes in soil
Which of the following membranes can give rise to a viral envelope?
A. the nuclear membrane B. the cytoplasmic membrane C. the endoplasmic reticulum D. the nuclear and cytoplasmic membranes E. the nuclear and cytoplasmic membranes and the endoplasmic reticulum