Even though the caudal fin of sharks tends to direct the fish downward when swimming (due to slight downward force generated by the heterocercal tail) the shark still manages to swim at a fairly consistent depth. Explain how can this be so
What will be an ideal response?
The pectoral fins of sharks have a cross-section resembling the cross-section of the wing of an aircraft. The shape of the fins provides lift just as a wing would and this offsets the effect of the heterocercal tail.
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What is the primary factor limiting scientists' ability to sequence each individual's entire genome?
A. doctor referrals B. financial resources C. patient consent D. computing power E. laboratory space
For which of the following childhood diseases is a subunit vaccine recommended
A. Polio B. Measles C. Hepatitis B D. Pertussis
If heterochromatic spreading encompasses the new location of the w+ gene, what phenotype will the cells have?
What will be an ideal response?
The antimicrobial activity of chlorine is due to which of the following?
A) the formation of hypochlorous acid B) the formation of hydrochloric acid C) the formation of ozone D) the formation of a hypochlorite ion E) disruption of the plasma membrane