Which of the following cell types, when fully differentiated, does not divide to form new cells?
A. fibroblasts
B. liver cells
C. smooth muscle cells
D. skeletal muscle cells
Ans: D. skeletal muscle cells
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One use of knowledge of relative water content (RWC) would be to develop plants for:
A. tolerance of water stress B. salt tolerance C. heat tolerance D. shock tolerance E. mineral tolerance
When retrieving DNA sequence info from the NCBI analysis program, what format should you choose?
A. .txt B. PHYLIP C. FASTA D. Html
Male fish that display a bright blue color attract more mates as well as more predators. Maintaining that blue gene in the population is an example of
A) the founder effect. B) coevolution. C) genetic drift. D) sexual selection. E) a population bottleneck.
Spring has arrived, and you notice your neighbors are cutting their grass. When you walk outside to check if your mail has arrived, your eyes begin to water and feel itchy. You are more than likely experiencing
A) an overreaction to pollen. B) a reaction due to an autoimmune disease. C) inflammation. D) a secondary immune response.