Eating a meal leads to a large increase in gastric acid secretion that peaks within about 5 min and returns to normal about 4 hr after a meal is taken. How long after a meal does the pH of the gastric contents reach its lowest level (in hours)?

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#Question id: 9601

#Unit 9. Diversity of Life Forms

The relative lengths of the frog and mouse branches in the phylogenetic tree indicate that

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#Question id: 15762

#Unit 5. Developmental Biology

Which of the following is not a property of the stem cells?

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#Question id: 7756

#Unit 5. Developmental Biology

Which of the following is serves to regulate the ATG9 membrane shuttle system?

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#Question id: 23406

#Unit 1. Molecules and their Interaction Relevant to Biology

Children like to read comics because

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#Question id: 5433

#Unit 8. Inheritance Biology

Two varieties of maize averaging 120 and 80 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 100 inches in height. If height is control by 3 pair of polygene, what is proportional of averaging phenotype in their F2 progeny?