Describe the path of a piece of steak in the GI tract, the enzymes involved in...

Describe the path of a piece of steak in the GI tract, the enzymes involved in digesting it and how absorption occurs. (8 points)
Explain how DNA directs the synthesis of new proteins. What is the role played by each of the three RNAs? (8 points)
Explain the special challenges facing vegetarians when considering the body’s protein requirements. In what ways can vegetarians maintain their diets without compromising their health? Why do you think many people still believe vegetarian diets to be dangerous to a person’s health? (8 points)

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Nightingale answered 1 year ago

The GI tract is lined by a series of tissues in an organized way. Describe the...

The GI tract is lined by a series of tissues in an organized way. Describe the four layers of the GI tract (5 points). Using the stomach as a model organ, discuss the various cell types that exist, their function, and the communication that exists amongst the various cell types in order to accomplish its digestive function. Be sure to explain the types of communication that are present (e.g. autocrine, paracrine, endocrine etc.) (10 points)

Enzymology/Biochemistry How do digestive enzymes change (chemistry, optimum conditions) along the GI tract?

Identify toxins important to GI tract diseases. What role(s) do toxins play in GI tract infections?

How does changing your diet affect your GI microbiome and overall GI tract health?

identify and describe the function of the different enzymes involved in replication and transcription.

1) Below is a chart of the 5 GI peptides involved in GI motility. Research the...

1) Below is a chart of the 5 GI peptides involved in GI motility. Research the actions of these peptides and list their effects in the chart below. Again your textbook will have information on these peptides. Five GI hormones and their effects: Hormone Effect Gastrin From G cells in the pyloric antrum Cholecystokinin (CCK) From I cells in the duodenum and jejunum Secretin From S cells in the duodenum Glucose Dependent Insulinotropic Peptide (GIP) From cells in the duodenum...

1. Chemicals are more readily absorbed through the skin or GI tract if they are A....

1. Chemicals are more readily absorbed through the skin or GI tract if they are A. polar compounds B. ionic compounds C. lipid soluble D. non-ionic, neutral compounds E. both (C) and (D) 2. Which of the following processes or interactions would interfere with the delivery of the ultimate toxicant to its target site (intracellular molecule) where it produces the toxic effect? A. increased porosity of capillaries B. reabsorption C. specialized membrane transporters D. activation of the toxicant (toxication) E....

List and describe 3 glucose transporters that are involved in carbohydrate absorption in digestive tract.

Do Enzymes in the digestive tract catalyze hydrolysis reactions.

Compare and contrast the wall of the GI tract in the following regions: mouth, esophagus, stomach,...

Compare and contrast the wall of the GI tract in the following regions: mouth, esophagus, stomach, small intestine, and large intestine. How does the wall change throughout the course of the body? Be specific. What additional cells and glands are present in each section and what do they do? Be specific.

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