Although most biologists do not consider viruses to be alive, viruses do share some characteristics with living things. Which of the following is the requirement for life that viruses lack?
A. The ability to move
B. Having genetic material
C. Having highly ordered structure
D. The ability to reproduce on their own
Answer: D
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When blood glucose concentration is high, pancreatic beta cells secrete insulin, and consequently
blood glucose concentration is increased. ____________________ Indicate whether the statement is true or false.
Cosmids are plasmids that can be packaged into capsids of the bacteriophage lambda; therefore, they can be transmitted like phages, but they can exist and replicate in a cell like plasmids.
Answer the following statement true (T) or false (F)
Other than predation by introduced Nile perch, the most likely explanation for the recent decline in cichlid species diversity in Lake Victoria is _____
A) reinforcement B) fusion C) stability D) polyploidy
Ligase enzymes are used to covalently bind together pieces of DNA
Indicate whether the statement is true or false