Which protein allows cells to communicate with other cells?
A. Antibody
B. Insulin
C. Collagen
D. Albumin
Answer: B
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The ANS stimulates smooth muscles, skeletal muscles and glands, whereas the somatic nervous system innervates skeletal muscles only
Indicate whether the statement is true or false
Which autonomic plexus innervates viscera within the pelvic region?
A. Esophageal plexus B. Hypogastric plexus C. Abdominal aortic plexus D. Cardiac plexus E. Pulmonary plexus
The reactions of the Krebs cycle:
A. take place in the cytosol of human cells. B. generate ATP directly by substrate-level phosphorylation. C. are important for the metabolism of carbohydrates but not other molecules. D. take place only when no oxygen is present. E. produce pyruvate and lactate as end products.
Low blood oxygen levels stimulate erythrocyte production by increasing the formation of _________________ by the kidneys
Fill in the blank(s) with the appropriate word(s).