Which of these is not part of the life cycle of brown algae?
A. Multicellular diploid stage
B. Spores produced by mitosis
C. Multicellular haploid stage
D. Gametes produced by mitosis
E. Meiosis
Answer: B
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What new technique or technology may revolutionize the way in which cell biologists alter the genomes of cells and organisms?
A) genome editing B) homologous recombination C) RNA-mediated interference D) recombinant DNA technology E) next-generation sequencing
If the age-specific fertility rate is such that 100 females of age class x would produce 50 offspring, what is the contribution of age class x to the overall population growth rate?
A. 50 B. 2 C. 0.5 D. 0.75 E. cannot be calculated with this information.
__________ is a diagnostic tool that reveals missing or extra chromosomes and some structural changes in an individual's chromosomes.
Fill in the blank(s) with the appropriate word(s).
The main goal of fermentation is to sustain ATP production by glycolysis. This is accomplished by
A) producing acids and alcohols which the microorganism can use as an alternative nutrient source when glucose is not available. B) passing the electrons on NADH to pyruvic acid, regenerating NAD+ so glycolysis can continue. C) diverting glycolysis intermediates into the pentose phosphate pathway. D) producing acids which lower cellular pH to promote more efficient ATP recharge. E) enables the cell to use its respiratory chain without oxygen being available.