For each of the following species, list the term for an intact male. dog
What will be an ideal response?
dog or stud
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During early embryonic development, a protein called sonic hedgehog is released from a cell and travels in a small gradient through the interstitial fluid only to nearby cells. This helps to establish the path and direction of development for the nervous system and limbs. Knowing this, sonic hedgehog must be a(n) ________ signal.
A. nervous B. endocrine C. autocrine D. paracrine
The term "flagellum" is appropriate for the structure it represents because it means
A. an eyelid. B. the center. C. a nut or kernel. D. a whip. E. a bench.
Which of the following is a type of protein that defends against viral infections?
a. complement b. interleukin c. cytokines d. interferon e. complement and interferon
Which condition is usually due to hyperparathyroidism?
A) hyperkalemia B) hypernatremia C) hypercalcemia D) hyperglycemia