Which of the following characteristics is shared by a hagfish and a lamprey?
A) a rasping tongue
B) paired fins
C) jaws
D) a well-developed notochord
Answer: D
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Aerobic respiration, anaerobic glycolysis, and hydrolysis of phosphocreatine can all be used by vertebrate muscle cells to generate ATP during active periods. In what order are these mechanisms employed?
A. hydrolysis of phosphocreatine, anaerobic glycolysis, aerobic respiration B. hydrolysis of phosphocreatine, aerobic respiration, anaerobic glycolysis C. anaerobic glycolysis, aerobic respiration, hydrolysis of phosphocreatine D. anaerobic glycolysis, hydrolysis of phosphocreatine, aerobic respiration E. aerobic respiration, anaerobic glycolysis, hydrolysis of phosphocreatine
There is a trait with two alleles. One allele codes for blue while the other allele codes for yellow. If this trait is inherited in a codominant manner, what color will the offspring most likely be?
A. yellow B. blue C. white D. blue-and-yellow striped E. green
Which of the following factors do leaching and soil
erosion have in common? a. strong winds b. mineral composition of soil c. moving water d. climate e. none of these
Which of the following factors leads to antibiotic resistance to antimicrobial drugs?
A) Use of antibiotics as animal growth enhancers B) Failure to complete course of antibiotic therapy C) Inappropriate antibiotic prescribing practices D) All of the above