In muscles, aerobic respiration uses glucose derived from stored glycogen as energy source for the first ten minutes of activity; after over half an hour, _____________ becomes the main fuel source.
A. lactate
B. fatty acid
C. myoglobin
D. protein
E. blood glucose
Answer: B
You might also like to view...
In the case of the red harvester ant, colonies that survive to ____ years of age are likely to contribute to the next
generation of colonies.
a. one b. three c. four d. seven e. ten
Balanced polymorphism is a type of
a. disruptive selection. b. sexual selection. c. directional selection. d. stabilizing selection. e. any of these
Scientists at NIH are making progress in using stem-cells to cure
a. Parkinson’s disease. b. type 2 diabetes. c. sickle-cell anemia. d. bipolar disorder. e. anorexia.
In gamete formation, the starting cells in females are the ________, and the starting cells in males are ________
A) spermatogonia; oogonia B) primary oocytes; prmary spermatocytes C) oogonia; spermatogonia D) ooctyes; spermatids E) primary spermatocytes; primary oocytes