The DNA double helix is held together by (covalent/ionic/hydrogen) bonds
What will be an ideal response?
hydrogen
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Behaviors that appear to be genetically programmed are called
A. innate. B. ultimate. C. fixed action patterns. D. reflexes. E. voluntary.
Destruction of the motor areas in the left cerebral
cortex results in the loss of a. sensation on the right side of the body. b. sensation on the left side of the body. c. voluntary movement on the left side of the body. d. voluntary movement on the right side of the body. e. involuntary control of the autonomic system.
Four of the five answers listed below are parts of the same nerve grouping. Select the exception. a. cranial nerve b. thoracic nerve c. lumbar nerve d. cervical nerve e. sacral nerve
During forced inhalation, the ____ intercostal muscles contract, moving ____ upward
a. internal; the diaphragm b. internal; the ribs c. external; the diaphragm d. external; the ribs e. external; both the diaphragm and the ribs