Which enzyme system allows for regulation at a single site and also diminishes the chance that a needed substrate will diffuse away from a catalyst?
A. Multienzyme complex
B. Metabolic pathway
Answer: A
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Involuntary muscle tissues are
A) smooth muscle tissue and cardiac muscle tissue. B) smooth muscle tissue, skeletal muscle tissue, and cardiac muscle tissue. C) smooth muscle tissue and skeletal muscle tissue. D) cardiac muscle tissue and skeletal muscle tissue.
Which of the following nerves contain ANS neurons?
A) thoracic nerves B) cervical nerves C) coccygeal nerves D) all lumbar nerves
Describe the pattern of fetal blood flow to and from the placenta
A) Deoxygenated blood flows from the fetus to the placenta through a pair of umbilical arteries, and oxygenated blood returns from the placenta in a single umbilical vein. B) Deoxygenated blood flows from the fetus to the placenta through a pair of umbilical veins, and oxygenated blood returns from the placenta in a single umbilical artery. C) Oxygenated blood flows from the fetus to the placenta through a pair of umbilical arteries, and deoxygenated blood returns from the placenta in a single umbilical vein. D) Oxygenated blood flows from the fetus to the placenta through a pair of umbilical veins, and deoxygenated blood returns from the placenta in a single umbilical artery. E) Deoxygenated blood flows from the fetus to the placenta through a single umbilical vein, and oxygenated blood returns from the placenta through a pair of umbilical arteries.
Bursae are structures associated with fibrous, cartilaginous, and synovial joints
Indicate whether the statement is true or false