Chart the path of food through the human digestive system. What will be an ideal response?
Food would travel through the following components of the human digestive system in the order
listed: mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum and would finally
be expelled out the anus.
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The development of the reproductive tract and gametogenesis are primarily regulated by _____
A) gonadal steroids B) pheromones C) environmental factors D) diet
The bases are bonded to what part of the backbone of the DNA molecule?
a. the 1' carbon atom of the sugar molecule b. the 2' carbon atom of the sugar molecule c. the 3' carbon atom of the sugar molecule d. the 4' carbon atom of the sugar molecule e. the 5' carbon atom of the sugar molecule
Down syndrome
a. is very rare. b. is inherited as an X-linked recessive condition. c. results in some degree of mental impairment. d. individuals have normal life expectancies. e. cannot be detected through prenatal diagnosis.
Before Mendel's work was rediscovered, some argued that natural selection would not work because favorable traits would merge into existing traits over time and become lost. This hypothesis is known as ________. [two words]
Fill in the blank(s) with correct word