Imagine that you have the "stomach" flu. As you rush to the bathroom, describe the sequence of events and structures involved. ext Section: LO4 Key Concept: digestive tract Level: Application of concepts

What will be an ideal response?


The chyme (a mixture of the food you ate and the stomach enzymes and hydrochloric acid) is forced back up through the esophagus by action of the stomach muscles as well as the diaphragm and abdominal musculature. And then you throw up.

Biology & Microbiology

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Suppose several genes are grouped together in a genome and the group results in a single enzyme. If one of these genes is mutated and the enzyme is no longer active, this gene must be part of _____

A) an intron B) an operon C) a repressor D) an activator E) an inducer

Biology & Microbiology

In substrate-level phosphorylation, ATP storage is depleted during the steps in catabolism of the fermentable compounds

Indicate whether the statement is true or false.

Biology & Microbiology

You are given a new animal species to study. You note that it possesses segmentation. Knowing only that it is segmented, which of these are segmented? Check all that apply.

_____ Cnidaria. _____ Arthropoda. _____ Chordata. _____ Annelida. _____ Platyhelminthes.

Biology & Microbiology

What would you predict would happen in an area of the body where blood was relatively acidic (low

pH)?

a. O2 would bind more readily to hemoglobin. b. CO2 would bind more readily to hemoglobin. c. O2 would release from hemoglobin. d. CO2 would release from hemoglobin. e. binding of O2 by hemoglobin would cease.

Biology & Microbiology