An empty stomach increases its secretion of ____ to stimulate the appetite

a. pepsinogen
b. ghrelin
c. gastric fluid
d. chyme
e. serosa


ANSWER: b

Biology & Microbiology

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The molecule shown above is ____

a. a triglyceride b. an amino acid c. a steroid d. a polysaccharide e. a phospholipid

Biology & Microbiology

The hypothalamus releases TRH which stimulates the anterior pituitary to release TSH. Which type of stimuli is this?

a. humoral stimuli b. neural stimuli c. hormonal stimuli d. negative stimuli

Biology & Microbiology

In what way(s) can mRNAs be processed?

A) By adding caps and tails to the ends of the mRNAs B) By removing the introns (the noncoding regions) of the mRNAs C) By splicing the exons (the coding regions) of the mRNAs in different ways D) All of the above

Biology & Microbiology

In the phylogenetic tree above, which of the following two groups are most closely related?

a. turtles and snakes b. ray-finned fishes and lobe-finned fishes c. birds and crocodiles d. mammals and snakes

Biology & Microbiology