Intercalating agents, like acridine orange and ethidium bromide, lead to mutagenesis by pushing DNA base pairs apart, which can lead to insertions or deletions
Indicate whether the statement is true or false.
Answer: TRUE
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In the case of complete dominance, if a plant has a ____ genotype for a particular trait, its phenotype will have the ____
trait.
a. heterozygous; recessive b. homozygous dominant; recessive c. homozygous recessive; dominant
d. heterozygous; dominant e. heterozygous; recessive
Aerobic bacteria most likely evolved
a. directly from early protocells. b. around hydrothermal vents. c. much later than cyanobacteria. d. in a prebiotic soup. e. through the process of endosymbiosis.
What is one difference between DNA replication in bacteria versus eukaryotes?
A) Eukaryotic chromosomes are replicated bidirectionally, while bacterial chromosomes are replicated in one direction. B) Eukaryotic chromosomes have many origins of replication and replicate bidirectionally, while bacteria have only one origin of replication and replicate unidirectionally. C) Bacterial chromosomes are replicated bidirectionally, while eukaryotic chromosomes are replicated in one direction. D) Eukaryotic chromosomes have many origins of replication, while bacteria have only one origin of replication. E) The process is identical in bacterial and eukaryotic DNA replication.
In the sigmoid growth curve, the number of individuals at any one time is indicated by what symbol?
A. ri B. N C. N/K D. K E. dN/dt