You are part of a research team designing a robot for competition. Your robot needs to be able to respond to painful stimuli like stepping on broken glass. What type of human control system will you model your robot's after and explain your reasons for choosing it.
What will be an ideal response?
The signal molecules are norepinephrine and epinephrine. Both of these chemicals bind to the same adrenergic receptors (multiple ligands) and have the same effect on their receptors, so they are agonists. When
alpha-adrenergic receptors are activated in digestive organs, blood vessels constrict. When beta-adrenergic receptors are activated in skeletal and cardiac muscles, blood vessels dilate (multiple receptors).
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The part of the tRNA that binds mRNA is the anticodon.
Answer the following statement true (T) or false (F)
During gestation, contraction of the myometrium is inhibited by ________, produced by the corpus luteum
A) progesterone B) estrogen C) oxytocin D) prostaglandins E) inhibin
Which of the following statements is true about both symphyses and synchondroses?
a) They are fibrous joints. b) They contain hyaline cartilage. c) They do not have a joint cavity. d) They are amphiarthroses.
The mammary region is ________ to the sternal region
A) inferior B) medial C) superior D) lateral