HeLa cells proved particularly useful to biologists because they ________
a. divide continuously in contrast to the limited number of divisions seen with typical cells
b. differentiate into virtually any cell type when stimulated with the proper hormone
c. are multinucleated
d. are among the largest cells known
a
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Which of the following is not a feature common to most animals?
a) development into a fixed body plan b) asexual reproduction c) specialized tissues d) heterotrophic nutrient sourcing
Which groups of fungi have the ability to reproduce both sexually and asexually?
A) Chytridiomycota and Zygomycota B) Zygomycota and Ascomycota C) Ascomycota and Basidiomycota D) Basidiomycota and Deuteromycota
Which step is not involved with constructing a representative sample?
A. Collect the sample by randomly sampling from each stratum (defined by your pre-chosen independent variables). B. Run a t-test to check if the outcomes are different across stratums. C. Use information about the population to stratify (categorize) each of the chosen variables. D. Choose the independent variables you want to match.
The energy yield from the complete aerobic breakdown of a single molecule of glucose
A) increases as the supply of oxygen increases. B) is always 38 ATP. C) is less than the yield from anaerobic respiration. D) can vary with the mechanism used to shuttle NADH electrons into the mitochondrion. E) is equivalent to the yield from alcoholic fermentation.