What is the importance of measurement to science?
What will be an ideal response?
Science relies on collection of numerical data so that it can be quantified and the results repeated and verified by independent researchers.
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Which of the following is the role of calcium-dependent protein kinases?
A. Receptor molecule. B. Affector molecule. C. Messenger molecule. D. Effector molecule. E. All of the choices.
Four children of a man and woman who are second cousins have too few teeth, which is an autosomal recessive condition called oligodontia caused by mutation in a gene called LTPB3 on chromosome 11. The affected individuals are also short, with increased bone density in the spine and skull. The protein that causes the symptoms by affecting certain bone cells is too short. The mutation in this family is most likely
A) a missense mutation. B) a nonsense mutation. C) a duplication of the gene. D) a replacement of all purines with pyrimidines.
How does habitat fragmentation affect biodiversity?
a. As long as the fragments are of good quality habitat, biodiversity will not be affected. b. Habitat fragmentation increases biodiversity because it reduces entry of exotic species. c. Habitat fragmentation is a threat to biodiversity because small habitat patches sustain only small populations. d. Habitat fragmentation increases biodiversity because adaptation to local conditions stimulates evolution. e. Habitat fragmentation connects terrestrial and aquatic habitats.
The process of fermentation allows cells to
a. produce lactic acid as a byproduct in plants b. produce ethanol as a byproduct in animals c. regenerate NADH d. produce ATP when oxygen levels are low