Positive feedback systems restore homeostasis. Indicate whether the statement is true or false
False - Negative
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Claytonia virginica is a woodland spring herb with flowers that vary from white to pale pink to bright pink. Slugs prefer to eat pink-flowering over white-flowering plants (due to chemical differences between the two), and plants experiencing severe
herbivory are more likely to die. The bees that pollinate this plant also prefer pink to white flowers, so that Claytonia with pink flowers have greater relative fruit set than Claytonia with white flowers. A researcher observes that the percentage of different flower colors remains stable in the study population from year to year. Given no other information, if the researcher removes all slugs from the study population, what do you expect to happen to the distribution of flower colors in the population over time? A) The percentage of pink flowers should increase over time. B) The percentage of white flowers should increase over time. C) The distribution of flower colors should not change. D) The distribution of flower colors should randomly fluctuate over time.
________ mutations cause overexpression or result in new functions
Fill in the blank(s) with correct word
What is the purpose of a "drug-cocktail?"
A. to allow doctors to try new medications B. to slow down viral resistance C. to make administration of treatments faster and easier D. to reduce the cost of HIV treatment
Some regions of chromosomes remain highly condensed, tightly coiled, and untranscribed throughout the cell cycle. These regions are referred to as
A. noncoding DNA. B. single sequence repeats. C. constitutive heterchromatin. D. short interspersed elements. E. transposable elements.