In general, DNA replicates semiconservatively and bidirectionally
Indicate whether the statement is true or false
TRUE
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Sperm production is called ____
a. parthenogenesis b. spermatocytosis c. oocytosis d. oogenesis e. spermatogenesis
The arthropod skeleton is composed of ________
A) cellulose B) peptidoglycan C) chitin D) glycogen
?-Glucose is present in potatoes and ?-glucose is present in wood. Both are glucose molecules but one can be used by humans to synthesize ATP and one cannot. Based on this information, what is the best explanation on why humans can only digest one of the glucose types?
A. ?-Glucose and ?-glucose are stereoisomers with OH groups oriented differently. B. ?-Glucose is C6H12O6 and ?-glucose is C5H12O6. C. Only ?-glucose can form polysaccharides. D. ?-Glucose is a chain and ?-glucose is a ring.
In the Gulf of Mexico, red tides caused by the dinoflagellate Karenia brevis cause massive fish kills as well as respiratory problems in humans. As an environmental scientist, what would you suggest concerned citizens do to help prevent these red tides?
A. Encourage sustainable fishing B. Participate in beach cleanup efforts C. Purchase fuel-efficient vehicles D. Reduce fertilizer use on lawns and gardens E. Decrease the amount of artificial light in coastal areas