Target cells
a. are found only in specific endocrine glands.
b. are equipped with specific receptor molecules.
c. are never muscle cells.
d. may occur in any part of the body.
e. are equipped with specific receptor molecules
and may occur in any part of the body.
Answer: e
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Which of the following is not a measure to avoid a shark attack?
a. Swimming where people, fish and/or blood are in the water b. Swimming at night, dusk or in murky water c. Swim with erratically behaving schools of fish d. Avoid splashing or wearing shiny jewelry
In the human systemic circuit, blood will pass through all but which of the following?
a. liver b. limbs c. lungs d. digestive organs e. brain
If a population speciates in the absence of a
physical barrier it is known as
a. sympatric speciation. b. disruptive selection. c. directional selection. d. hybrid sterility. e. allopatric speciation
Explain the significance of endospores
What will be an ideal response?