Which two hormones interact to maintain normal levels of blood glucose?
A. cortisone and testosterone
B. epinephrine and norepinephrine
C. glucagon and insulin
D. LH and FSH
E. oxytocin and vasopressin
C. glucagon and insulin
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When a virus takes over the machinery of a cell, it forces the cell to manufacture more:
a. mitochondria for energy for the virus. b. liposomes to isolate themselves from water c. food particles d. viral particles e. Golgi bodies in order to secrete the excess viruses.
The carnivorous plant with two-sided leaves, each with highly sensitive trigger hairs for snapping shut on small animals is the
A. Venus flytrap. B. horsetail. C. sundew plant. D. pitcher plant. E. club moss.
Which statement is true for a population with an age structure diagram in the shape of a pyramid?
a. It is a rapidly growing population. b. It means the population is mostly older individuals. c. It would be associated with a developed country. d. It would be indicative of the United States. e. It means the death and birth rates are equal.
The shape of a virus is determined by
its DNA. its RNA. its envelope. its host. its coat protein organization