Extracellular calcium plays a role in contraction inA) skeletal muscle cells.B) smooth muscle cells.C) cardiac muscle cells.D) None of these types of cells.
What will be an ideal response?
B, C
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You are a veterinarian and a dog is brought in that has experienced a BB gun shot to the brain. The brain scan reveals damage to the septum of the limbic system. You need to explain this injury to the owners. Which of the following is true?
A. The septum is required for the expression of rage, with a damaged septum, this dog will always be docile and never aggressive. B. In a normal animal, the septum inhibits the amygdala. Without it, the dog will always be fearful and vicious. C. The septum of the limbic system is required for memory formation. The dog will be forever forgetful D. The septum of the limbic system is required to express affection, without it, the dog may be less affectionate. E. The septum of the limbic system is required for regulation of appetite. Without it, the dog may overeat.
The communication and interspecies relationship between the Hawaiian bobtail squid, Euprymna scolopes, and the bacteria Vibrio fischeri, is one of _____________
Fill in the blank with the correct word.
Structure B on the skin diagram is the
A) epidermis.
B) dermis.
C) subcutaneous layer.
D) cutaneous membrane.
E) hypodermis.
All of the following cells in the blood have DNA except which one?
A. Lymphocytes B. Neutrophils C. Erythrocytes D. Monocytes