The Embden-Meyerhof pathway is very important in the catabolism of glucose and other sugars in the cell. The first step of this process is the conversion of glucose to glucose-6-phosphate. This can be carried out by a hexokinase enzyme (via substrate-level phosphorylation) or by ____
a) ABC transport
b) group translocation
c) ATP synthase
d) ligase
e) polymerase
Answer: b) group translocation
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New species evolve from preexisting species by the accumulation of ______.
A. metabolic events B. genetic mutations C. proteomes D. reproductive events E. developmental events
Body movements that are primarily conscious and voluntary are controlled by the ____ nervous system
1.autonomic 2.central 3.peripheral 4.somatic
Nerves and blood vessels
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On the Bahamian island of Andros, mosquitofish populations live in various, now-isolated, freshwater ponds that were once united. Currently, some predator-rich ponds have mosquitofish that can swim in short, fast bursts; other predator-poor ponds have mosquitofish that can swim continuously for a long time. When placed together in the same body of water, the two kinds of female mosquitofish exhibit exclusive breeding preferences. Which type of reproductive isolation operates to keep the mosquitofish isolated, even when fish from different ponds are reunited in the same body of water?
A. mechanical isolation B. gametic isolation C. temporal isolation D. behavioral isolation E. habitat isolation