Answer the following statements true (T) or false (F)
1. The Na+/K+-ATPase pump is a ligand-gated ion channel.
2. Ion gradients across the membrane drive numerous cellular functions.
3. The ability of bread to rise is mainly a function of the CO2 produced anaerobically during oxidative phosphorylation.
4. The aerobic breakdown of glucose yields 34 to 38 ATP, while the anaerobic breakdown of glucose yields 20 ATP.
1. FALSE
2. TRUE
3. FALSE
4. FALSE
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Of the taxonomic groups listed below, which is the broadest (contains the most species)?
A. Order B. Class C. Family D. Phylum E. Kingdom
In mammals, the filtrate leaves the blood by exiting from the
a. efferent arteriole. b. peritubular capillaries. c. renal artery. d. afferent arteriole. e. glomerulus.
Increased levels of cesium radioisotopes released from the Fukushima nuclear power plant were observed in ____
a. blue whales b. sharks c. bluefin tuna d. yellowfin tuna e. swordfish
Protection of which of the following would least protect the brain from physical trauma?
1.dura mater 2.pia mater 3.arachnoid mater 4.skull