Which is not one of the bases found in DNA nucleotides?
A. Adenine
B. Diamine
C. Cytosine
D. Thymine
E. Guanine
Answer: B
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Answer the following statement(s) true (T) or false (F)
1. The larynx is a major organ of the respiratory system. 2. In the conducting division of the respiratory system, gases exchange between the air and blood. 3. The stomach receives its blood supply from the superior mesenteric artery. 4. The mucosa of the large intestine has more surface area than the small intestine, mainly due to villi and microvilli. 5. The pancreas is retroperitoneal. 6. The digestive system processes food, extracts nutrients, and eliminates the residue.
____________________ are intertwined helical chains of actin or myosin molecules
Fill in the blank(s) with correct word
Active sites on the actin become available for binding after
A) Actin binds to troponin. B) Troponin binds to tropomyosin. C) Calcium binds to troponin. D) Calcium binds to tropomyosin. E) Myosin binds to troponin.
Explain how amino acid catabolism leads to the production of ammonia and urea
What will be an ideal response?