As the result of a genetic mutation, the individuals in a population of mice eat so much that their
stomachs burst. Which of the following statements provides the best explanation for why this
happened?
a. The mice were unable to taste the food and so they ate more than a normal amount.
b. The mice were given a high protein meal and protein is not digested in the stomach.
c. The mechanoreceptors of the stomach were either absent or not functioning.
d. The animals were born without proprioceptors.
e. The chemoreceptors did not detect the presence of food in the stomach.
C
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A fruit that develops from several ovaries in multiple flowers, such as a pineapple, is called a(n)
a. aggregate fruit. b. accessory fruit. c. multiple fruit. d. simple fruit. e. compound fruit.
A bacterial loop entails a portion of the food web in which bacteria convert dissolved organic matter into consumable bacterial biomass
Indicate whether the statement is true or false
The pear-shaped organ in females that houses and nourishes the developing fetus. _____
A) Endometrium
B) Testis
C) Cervix
D) Uterus
E) Oviduct
F) Ovaries
G) Vagina
H) Seminal vesicle
I) Penis
J) Prostate gland
K) Vas deferens
L) Glans penis
The second messenger for the hormone mechanism in Figure 49-2 is:
a. ATP. b. G protein. c. cAMP. d. calmodulin. e. Ca2+