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 of the following bacterial genera is used for the degradation of environmental pollutants?
A) Actinomyces B) Streptomyces C) Corynebacterium D) Rhizobium E) Nocardia
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.