Which of the following is a product of recombinant DNA technology?
A. bacteria that produce vitamins
B. bacteria that produce insulin
C. microbes that produce vaccines
D. humans that produce vaccines
E. microbes that produce vitamins, insulin and vaccines
Answer: E
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True or False: The diverse array of Anolis lizards in Hispaniola is the result of several different species of lizards originally colonizing the island. Very little diversification occurred after these colonists arrived at Hispaniola
A. true B. false
Which of the following is not considered a micronutrient?
A. Copper (Cu) B. Magnesium (Mg) C. Manganese (Mn) D. Zinc (Zn)
The genotypic definition of race states that races are populations of the same species in which allele frequencies differ
by ____. a. 15%-20% b. 85% c. 1 in 1000 nucleotides d. 25%-30% e. 5%-10%
Until recently, protists have been classified according to observable traits such as modes of nutrition and mechanisms of movement. What is the basis for modern protist classification?
a. their evolutionary relatedness b. their similarity to plants c. their cell wall types d. their types of life cycles