Preliminary digestion of carbohydrates begins in the _____
a. mouth
b. esophagus
c. stomach
d. duodenum
e. jejunum
ANSWER: a
Biology & Microbiology
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True or False. An incomplete fossil record is evidence that the theory of evolution is false
A. true B. false
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The DNA sequences, indicated by alphabetic abbreviations, are alternate forms of the same gene called
A. chromatids. B. alleles. C. chromosomes. D. centromeres. E. traits.
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The reproductive structure where mature sperm are stored is the ____
a. testes b. epididymis c. vas deferens d. seminal vesicle e. prostate gland
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Which type of nutrient uptake involves the engulfment of small dissolved molecules into vesicles?
A. active transport B. pinocytosis C. receptor mediate endocytosis D. facilitated diffusion
Biology & Microbiology