Epithelial tissues are attached to the underlying tissues by a basement membrane
____________________ Indicate whether the statement is true or false.
True
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The continental crust is primarily comprised of all the following except:
a. granite-type rock. b. basalt-type rock. c. quarts-type rock. d. silicon-type rock. e. sedimentary rock.
You sprain your ankle at a roller derby practice. How would you treat your injury?
A) First use ice to reduce swelling, and then use heat much later to aid healing. B) First use heat to aid healing, and use ice later to reduce swelling. C) Use ice only because it will reduce swelling and increase blood flow to aid healing. D) Just leave it alone. Ice and heat both make the injury worse.
Segregation is a source of variety in gametogenesis because
A. it is during segregation that chromosomes from the parents are separated at random into the gametes. B. crossing-over during segregation mixes genes from the parents into the offspring. C. all the genes from one parent are separated from the other parents. D. new gene combinations are formed by the parent.
Which of the following is not true about the effects of undernutrition in poor countries?
Select one: a. Iron and zinc deficiency both can lead to poor immune function. b. Ill health that results from nutritional deficiencies can diminish the ability of citizens to perform at peak levels of physical and mental capacity. c. Symptoms of underweight rarely result in deficiencies. d. People in poor countries often have greater nutrient requirements for iron because they must combat rampant parasite and other infections.