How are the endocrine and the nervous systems alike?
a) both use chemical messengers for communication
b) both release chemical messengers in response to increased calcium levels
c) both rely on voltage gated channels to initiate communication
Answer: a) both use chemical messengers for communication
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Flu viruses enter into a prospective host cell (along the respiratory tract) and direct it to produce many copies of the viruses. As those viruses bud off of the infected cell, they take the cell membrane of the host cell with them. How might this kill the host cell?
A) The infected host cell loses the ability to transport materials in and out. B) The infected cell cannot metabolize. C) The infected cell cannot make RNA. D) The infected cell loses the ability to move towards nutrient sources. E) None of these is correct.
Stored energy that has the ability to do work is called
A) kinetic energy. B) heat energy. C) light energy. D) potential energy. E) dark energy.
Shaving should be done with a ________________ clipper blade
Fill in the blank(s) with correct word
The first meiotic division of the primary oocyte is completed
a. after fertilization. b. before ovulation. c. after ovulation. d. in the fallopian tube. e. in the uterus.