Hormones
A. bind to specific sensitive cells called target cells.
B. are produced only by the brain.
C. are required in high concentrations to have any effect.
D. are only able to diffuse short distances from where they are produced.
A. bind to specific sensitive cells called target cells.
You might also like to view...
Which of the following does S. pneumoniae use to survive in the host?
A. Plasmids B. Pili C. Flagella D. Capsules
Which of the following would not be an example of an omnivore?
a. an earthworm b. a sheep c. a human d. a pig e. a fish
Which of the following statements about vertebrate eyes is true?
A. Most predators have monocular vision. B. Most predators have eyes on the sides of their heads. C. Binocular vision helps prey animals scan their surroundings for predators. D. Most prey animals have eyes on the sides of their head and monocular vision. E. Monocular vision allows for better depth perception.
The pairing of chromosomes and crossing over occur during _____ of meiosis
a. metaphase I b. anaphase II c. prophase I d. prophase II e. more than one of these