Essays Tagged: "enzymes"

Digestive teck path of the Big Mac.

d as a nourishment for the cells. Saliva changes food to a form that can be used by the body called enzymes. The burger is swallowed andpasses into the esophagus. This is the muscular tube that contra ...

(1 pages) 65 0 2.7 Mar/1997

Subjects: Science Essays > Biology > Human Biology


EnzymesExperiment #1- Effect of concentration of enzyme on rate of reaction.Variables- Concentration ... o a series of temperatures, all in Celsius; those temperatures being 20, 28, 50, and 65. Then these enzymes where cooled down to room temperature before the procedure above was repeated again.pH exper ... 10 ml. of the enzyme mix was poured into each dish. This giving the different levels of pH for the enzymes. From there, the disks were soaked in the mix and the experiment carried on with the same 4 ...

(5 pages) 274 2 4.2 Oct/1996

Subjects: Science Essays > Biology

Why proteins are imortant

ration by carrying oxygen through red blood cells. There is also a special group of proteins called enzymes that do many important things such as act as cataysists that can speed up a chemical reactio ...

(1 pages) 115 0 4.1 Mar/1997

Subjects: Science Essays > Biology > Human Biology

Plasmid Fusion and PCR

ids are gene sequences found in aloop outside of the main chromosome. Their main purpose is to code enzymes that digestantibiotic enzymes. Antibiotics are chemicals that kill bacteria or interfere wit ... n laterattach other sections of DNA to it. The next step involves checking to see if theRestriction Enzymes did their job by a process called Electrophoresis. First we suspendthe DNA in a solution of ...

(5 pages) 64 0 4.2 Dec/1996

Subjects: Science Essays > Biology

Time's Oldest Debate.

The former atmosphere is where much of present day organic molecules such as proteins, lipids, and enzymes were created in abundance. By chance or simply because of the laws of nature, those life pro ...

(5 pages) 107 0 4.4 Jan/1996

Subjects: Humanities Essays > Religion & Faith

Biology AT1 on the affect of hydogen peroxide on the liver

sition of hydrogenperoxide by the enzyme catalase which is found in the liver' Introduction: Enzymes are biological catalysts. They speed up the chemical reactions which go on inside living thi ... inside living things. Without them the reactions would be so slow that life would grind to a halt. Enzymes work by when a substrate molecule bumps into a molecule of the right enzyme, it fits into a ...

(2 pages) 51 0 4.5 Jan/1996

Subjects: Science Essays > Biology > Human Biology

Psychodelic Drugs

y the blood throughout the body, affecting literally every organ it touches in a matter of minutes. Enzymes in the liver metabolize alcohol at a rate of 10-15 ml (less than one half ounce) per hour. H ...

(13 pages) 235 1 4.3 Nov/1996

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

The Structure and functions of proteins. This was a timed essay done in 30mins. HUMAN BIOLOGY

ein.Proteins are needed for many things they are needed in our diet for growth and repair of cells, enzymes and hormones in the body are used for the mateabolic rate. Essential amino acids are the ami ... ese enable hormone and nerve transmittors to bind to specific cells, to the recognition sites as in enzymes. Glycoproteins act as receptors and recognition sites. Carrier proteins bind to a specific m ...

(2 pages) 117 2 4.1 Apr/2002

Subjects: Science Essays > Biology > Human Biology

its about point mutations, actually just a short summary of it, it was used on one of my power point presentations

n the substitution of the amino acid valine for glutamic acid in hemoglobin.Because proteins called enzymes control most cell activities, a mutation affecting an enzyme can result in alteration of oth ... n another gene that suppresses the effect of the first. Certain genes are responsible for producing enzymes that can repair some mutations. While this process is not fully understood, it is believed t ...

(1 pages) 91 1 5.0 May/2002

Subjects: Science Essays > Biotechnology

Risks of Dairy Products and Problems Withing the Dairy Industry

uced by all mammals to feed their young, not another species. Every species milk contains different enzymes necessary for that species young to develop correctly during infancy. The enzymes in a cow's ...

(6 pages) 143 1 4.1 May/2002

Subjects: Humanities Essays > Health & Medicine

Mononucleus - Bacteria

surfaces.A typical bacterium is about 2 micrometers long. Inside the cell, there are nucleic acids, enzymes, and other substances necessary to carry out the cells life process.Bacterium have long , th ... aut. Bacteria are also important in the production of tanned leather, tobacco, textiles and various enzymes, polysaccharides, and detergents.About 200 species of bacteria are pathogenic, or disease ca ...

(6 pages) 90 0 4.0 Dec/1996

Subjects: Science Essays > Biology

Nucleic Acids and Protein Synthesis; Outline

ls 'know' how to how to produce ATP, how to build cilia and centrioles, howto produce membranes and enzymes.A program, or code, in living cells must be able to duplicate itself quickly andaccurately a ... ng process is known as replication.DNA replication, or DNA synthesis, is carried out by a series of enzymes. Theseenzymes separate, or 'unzip,' the two strands of the double helix, insert theappropria ...

(6 pages) 89 0 4.3 Dec/1996

Subjects: Science Essays > Genetics & Genome Projects


heir food by the absorption of nutrient from it's surrounding environment. Food is dissolved by the enzymes from which the fungi excrete and is later absorbed by the fungi's cell walls. Fungi plays an ...

(2 pages) 47 0 3.7 Jan/1997

Subjects: Science Essays > Biology

Introns and Exons

re seen during. DNA- mRNA hybridation. For all new mRNA, they must be transcribed by RNA polymerase enzymes. The transcription begins at the promoter sequence on the DNA and works down, thus the nucle ... plice site and AG at the 3¹ splice site for most genes. This is called the GU-AG rule Splicing enzymes recognize these sites with the help of ribonucleprotein called snRNP or snurps. snurps are f ...

(3 pages) 33 0 4.8 Mar/1997

Subjects: Science Essays > Biology

The Anthropic Teleological Argument: Proving God's existance by means of Probability

o discuss the origins of life and what it takes to randomly come up with the two thousand different enzymes that are essential to all life. In their entire argument they rely on the calculations of sc ... uld form since there still is a chance. The probability of the random formation of the two thousand enzymes that support life is calculated at 1 : 1040000. Again this is a small number. But how do Bet ...

(5 pages) 83 0 3.0 Dec/2002

Subjects: Humanities Essays > Philosophy

This biology experiment was conducted in order to see if the change in environmental factors had any effect on enzyme activity.

environmental factors had any effect on enzyme activity. I tested the effects of the environment of enzymes by comparing three different temperatures' affects on milk and its glucose levels. The end r ... f the enzyme fails to bind at the active site with the substrate, the reaction does not take place. Enzymes are affected by environmental factors such as temperature, pH, and salinity, each dependent ...

(3 pages) 134 0 4.5 Dec/2002

Subjects: Science Essays > Biology

Functions of organs in the digestive system,(BASIC)

cleanser to the teeth by dissolving food particles so that they may be eaten. Saliva also contains enzymes and mucus. There are three major pairs of salivary glands. The parotid gland carries its con ...

(2 pages) 115 0 4.2 Dec/2002

Subjects: Science Essays > Biology > Human Biology

Biology-action of amylase enzyme on starch

rch has been converted into sugars (glucose).Scientific reasonParts of the digestive system produce enzymes which speed up the digestion of food. When the food has been digested it is absorbed through ... are carried to wherever they are needed. The breakdown of the large food molecules is speeded up by enzymes. Enzymes are made by special tissues along the length of the gut. As the food passes along t ...

(3 pages) 75 0 3.0 Dec/2002

Subjects: Science Essays > Biology

This essay is about the digestive system organs and functions. It covers information about the path food travels.

functions of the digestive system. It processes and stores food so the body can use it. It produces enzymes, hydrochloric acid, mucus, hormones and Vitamin K. The system absorbs nutrients to send thro ... ly about one millimeter in size. From the stomach, the food now moves to the small intestines. More enzymes are added here from the pancreas to help to further break down food. On top of that, the gal ...

(3 pages) 188 0 4.6 Jan/2003

Subjects: Science Essays

Enzymes - Lactose-Free milk

ation of glucose, after the milk has been poured into the column containing the immobilised lactase enzymes. The experiment would also be done using two different types of milk (Semi-skimmed and Whole ... rea than those with larger bead size. The volume of the substances used to make immobilised lactase enzymes is the same for all different sizes of beads, ensuring that it's a fair test. Therefore the ...

(26 pages) 131 1 4.4 Feb/2003

Subjects: Science Essays > Biology