Which of the following is associated with echinoderms?
a. water vascular system
b. open digestive system
c. closed urinary system
d. asexual reproductive system
a. water vascular system
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Discuss some of the differences between organisms in the domains Bacteria and Archaea
What will be an ideal response?
Which of the following statements is true?
A. The citric acid cycle begins and ends with pyruvate. B. Cellular respiration will eventually produce three ATP molecules. C. Aerobic respiration of glucose has five phases. D. Aerobic respiration releases oxygen and uses carbon dioxide. E. The end product of glycolysis is pyruvate.
If a male human had a non-functioning sympathetic system, which of the following would happen?
a) sperm and semen could not be emitted into the urethra b) vasodilation of the penis could not occur c) an erection could not occur d) both a and c e) both b and c
Southern blotting is a technique that can be used to identify microbes that cannot be cultured
Indicate whether the statement is true or false