Essays Tagged: "Pepsin"

Digestion: Describe the digestion of a burger

id and breaks up the burger. In the gastric juice is also an enzyme that hydrolyzes proteins called pepsin. This pepsin starts out as the inactive pepsinogen, and is activated by hydrochloric acid in ...

(1 pages) 31 0 3.0 Apr/2004

Subjects: Science Essays > Biology > Human Biology

Observing Emulsification and Comparing the Actions of Saliva and Pepsin: Lab report describing how emulsification may be observed in the lab

s of this lab experiment are to observe the process of emulsification and to compare the actions of pepsin and saliva (Amylase).Background Information: The function of the human digestive system is to ... e stomach. The stomach consists of gastric glands that produce gastric juice, which contains pepsin, an enzyme that dissolves proteins into simpler substances called polypeptides. After spendin ...

(7 pages) 43 0 5.0 May/2004

Subjects: Science Essays > Biology

Digestive System

ch, where the next step of digestion takes place.In the stomach, a mixture of hydrochloric acid and Pepsin, which is secreted by the stomach wall, liquefies the food. At the same time, a substance cal ... e, a substance called intrinsic factor binds Vitamin B in food and various gastric enzymes, such as Pepsin (which begins protein digestion), which are secreted by the stomach wall. Secretions of mucus ...

(2 pages) 29 0 1.0 Sep/2006

Subjects: Science Essays > Biology > Human Biology

Effect of pH on Protein Digestion

ective: To investigate how pH affects the rate of protein digestionHypothesis: I predict that since pepsin breaks down the material the quickest at a pH of 2 in the stomach, test tubes #3 will reduce ... ial the quickest at a pH of 2 in the stomach, test tubes #3 will reduce the greatest because it has pepsin to further break down the egg. Whereas the other test tubes will have a smaller reduction. I ...

(2 pages) 35 0 2.0 Feb/2007

Subjects: Science Essays > Biochemistry

DNA Replication

bolus is then pushed into the esophagus and down to the stomach by peristalsis.B.Digestion "“ Pepsin in the stomach breaks down the bolus into smaller particles creating chime. The chime is then ... ining of the stomach called rugae, help mix and break up the food particles for easier digestion.11.Pepsinogen and HCl combine to form pepsin, which breaks down protein into peptides, creating a liqui ...

(5 pages) 25 0 0.0 Apr/2001

Subjects: Science Essays > Biology

Digestive System Track

tomach is also muscular. Three glands in the stomach will produce gastrict fluids which are: Mucus, Pepsin, and HCl. HCI is the acid in the stomach, the Pepsin digests the protein into small polypepti ... dder stores the bile, while the liver produces it. There are four pancreas enzymes: Amlase, Lipase, Pepsin, and Trapsin. Pepsin and Trapsin are both proteins. Lipase is the fats, and the Amlase is a c ...

(1 pages) 832 0 0.0 Feb/2008

Subjects: Science Essays > Biology > Human Biology

InSitu Hybridization For MRNA Localization

s of ethanol washes, treatment in xylene to remove residual lipids, incubation in PBS, treatment in pepsin in N HCl at 37 C and treatment in formaldehyde for 10 minutes followed by another wash with P ...

(3 pages) 5 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

TO TEST THE EFFECTS OF ANTACIDS ON PEPSIN'S ABILITY TO DIGEST PROTEIN. Biology report - minus introduction, discussion & conclusion.

Kate FitzpatrickYear Twelve BiologyTerm One(www.happycow.net)"To test the effects of antacids on pepsin's ability to digest protein."Contents1.0 AbstractPg2.0 Introduction· 2.1 Aim· 2 ... sPg9.0 AcknowledgementsPg10.0 AppendicesPg2.0 Introduction2.1 AimTo test the effects of antacids on pepsin's ability to digest protein.2.2 Background informationPepsin is an active form of pepsinogen ...

(7 pages) 3833 0 3.0 May/2008

Subjects: Science Essays > Biology