Cancer cells
a. maintain telomerase function
b. have longer telomeres than normal cells
c. eventually die due to shortening chromosomes
d. have circular chromosomes
e. cannot replicate their DNA
A
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Nutrient cycling through ecosystems can be depicted using a(n) ____
Fill in the blank with the appropriate word.
Members of the same species living in the same area and interacting are:
a. a community. b. a population. c. an ecosystem. d. a biosphere. e. a biome.
Which statement most completely describes why the pea plant was an excellent choice for Mendel's experiments?
a. True-breeding varieties were available. b. The plant can self-fertilize. c. The plant can be cross-fertilized. d. True-breeding varieties were available, and it can be cross-fertilized. e. True-breeding varieties were available, the plant can self-fertilize, and it can be cross-fertilized.
Which of the following bacterial genera is used for the degradation of environmental pollutants?
A) Actinomyces B) Streptomyces C) Corynebacterium D) Rhizobium E) Nocardia