In freshwater sponges and other simple freshwater animals, water flows into the body by __________. Fill in the blank(s) with the appropriate word(s)
osmosis
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The enzyme ________ is associated with the cytoplasmic portion of the glucose transporter.
A) hexokinase B) glucose phosphorylase C) gluconase D) hexose phosphorylase E) none of the above
How do defibrillators work?
a. they pump adrenalin into heart tissue. b. they deliver an electric shock to the heart’s pacemaker. c. they automate CPR. d. they massage the heart using remote sensors. e. they do a combination of more than one of these
The oldest known megafossils of early vascular plants may be characterized as:
a. possessing dichotomously branched stems without leaves or roots. b. possessing dichotomously branched stems with leaves. c. possessing erect stems with megaphylls. d. possessing roots but lacking sporangia. e. lacking roots but possessing megaphylls.
What is the source of sulfur in the Lysine Iron Agar?
A. Sodium sulfate B. Hydrogen sulfide C. The amino acid lysine D. Sodium thiosulfate E. Ferric sulfide