True or false: Many mutations are detrimental to organisms that acquire them, but other mutations are beneficial and drive evolution of that species
A. true B. false
Answer A
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How is a carrier protein different from a channel protein?
A. Carriers use ATP. B. Carriers undergo a conformation change. C. Transport through a carrier depends on concentration gradients. D. Transport through a carrier does not depend on the random motion of molecules.
In the years after the completion of the human genome project, genome sequencing revealed surprisingly little amount of variation in the sequence and arrangement of nucleotides in humans
a. True b. False Indicate whether the statement is true or false
Which group of organisms are bilaterally symmetrical and posses a mantle?
a. Annelids b. Platyhelminthes c. Planarians d. Mollusca e. Porifera
Which of the following strains of bacteria is least likely to initiate the formation of a biofilm?
A) Klebsiella pneumoniae B) Enterobacter aerogenes C) Alcaligenes denitrificans D) Streptococcus pneumoniae