Essays Tagged: "proteins"

How nutrients get in, and wastes get out.

ary NutrientsThe chief nutrients in a diet are classified chemically in four groups: carbohydrates, proteins, vitamins (Which do not require digestion) and fats.Carbohydrates in the diet occour mainly ... monosaccharide such as glucose, is present in food. These monosaccharides do not require digestion.Proteins are polymers composed of one or more amino acids. When they are digested, they produce free ...

(7 pages) 267 2 4.4 Dec/1996

Subjects: Science Essays > Biology > Human Biology

DNA

of this ladder is made up of a pair of chemical bases, the information that human body need to make proteins is coded and contained in the order of these bases along the length of the DNA ladder. All ...

(3 pages) 253 3 4.4 Jan/1996

Subjects: Science Essays > Biology

Vitamins

biochemist Sir. Frederick Hopkins demonstrated that foods contain accessory factors in addition to proteins, carbohydrates, fats, minerals and water. Then, in 1912, thee chemist Casimir Funk identifi ...

(3 pages) 164 0 3.3 Nov/1996

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

Nutrition and You

.There are six main types of nutrients used to maintain body health. They are: carbohydrates, fats, proteins, vitamins, minerals, and water . They all must be in balance for the body to function prope ... ractice more that one sport as different sports exercise different areas of the body.Carbohydrates, proteins, and fats are the sources of energy for the body. The contained energy is expressed in calo ...

(6 pages) 441 0 4.0 Nov/1996

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

The Ebola Virus

so it is an object). Named after the EbolaRiver, the Ebola virus particle contains seven different proteins of whichonly three have vaguely known purposes. While the exact function of theother four p ...

(6 pages) 99 1 4.2 Jan/1997

Subjects: Science Essays > Biology

Determination of an unknown amino acid from a titration curve

IntroductionAmino acids are simple monomers which are strung together to form polymers (also called proteins).These monomers are characterized by the general structure shown in figure 1.Fig. 1Although ...

(7 pages) 100 0 4.1 Apr/1997

Subjects: Science Essays > Chemistry

Prions

t like viruses but they are not. Their structure and chemistry are unknown. They are believed to be proteins but that is yet to be completely proved.Prion stands for "proteinaceous infectious particle ... allowed to demonstrate that amyloid plaques in the brain of scrapie-infected hamsters contain prion proteins. This amyloid plaques have been found on Alzheimer's disease patients, which leads to the q ...

(7 pages) 70 0 3.5 Sep/1996

Subjects: Science Essays > Biology

The Deadly Ebola Virus.... What is it and how can one catch it?

virus that is just a single strand of ribonucleic acid, RNA. RNA usually works with DNA to produce proteins, but viruses based on RNA are able to reverse normal processes. DNA has embedded informatio ...

(5 pages) 58 0 3.8 Feb/2003

Subjects: Humanities Essays > Health & Medicine > Diseases

Proteins, their uses, structure etc.

usly, from the soluble forms found in food to the long fibrous forms used in connective tissues.All proteins are combinations of about 20 differing amino acids each combined of hydrogen, carbon, nitro ... econdary, tertiary and quaternary structures they form explain why there are just so many different proteins.The polypeptide chains are arranged and entwined in such a way that the hydrophilic amino a ...

(3 pages) 116 1 3.5 Feb/2003

Subjects: Science Essays > Biology

Oriental Healing

ther energy for yourself. Dietetics is important because food is an influential part of daily life. Proteins are building foods, fruits are cleansing foods and grains are neutral. Herb treatment follo ...

(2 pages) 46 0 3.6 Feb/2003

Subjects: Humanities Essays

This is an essay about Tuner's Syndrome a genetically transferred disease

aining elements) that are present inevery cell of the body. DNA encodes genes, which specifyall the proteins that make up the body and control itsfunctions. There are 23 matched pairs of chromosomes i ...

(2 pages) 36 0 3.0 Mar/2003

Subjects: Humanities Essays > Health & Medicine > Diseases

Catalase investigation

akdown of starch.PredictionAccording to S-cool.co.uk ( Microsoft corporation 2000), "...Enzymes are proteins and have a specific shape. They are therefore specific in the reactions that they catalyse. ...

(6 pages) 119 0 4.3 Mar/2003

Subjects: Science Essays > Biology

The nitrogen.

is analized. living things cannot utilize nitrogen unless it is in a complex form. Animals require proteins which are very complex. these proteins are manufactured by green plants. when an organism d ... bacteria. green plants take up nitrates ( simple nitrogen compounds) and store the nitrogen away in proteins. undoubtedly many of the compounds built up by the animal and plant would automatically bre ...

(2 pages) 52 0 1.3 Apr/2003

Subjects: Science Essays > Chemistry

Nitrogen cycle.

r is analyze. living things cannot utilize nitrogen unless it is in a complex form. Animals require proteins which are very complex. these proteins are manufactured by green plants. when an organism d ... bacteria. green plants take up nitrates ( simple nitrogen compounds) and store the nitrogen away in proteins. undoubtedly many of the compounds built up by the animal and plant would automatically bre ...

(2 pages) 76 2 1.3 Apr/2003

Subjects: Science Essays > Chemistry

Lab report on enzyme activity.

cal agent that changes the rate of the reaction without being consumed by the reaction. Enzymes are proteins made up of long chains of amino acids. These form complex shapes. The enzymes are individua ...

(4 pages) 566 0 4.6 Apr/2003

Subjects: Science Essays > Biology

The kidney's structure, functions, and what controls these functions.

illaries called the glomerulus. A good deal of fluid from the blood filters into the capsule. Large proteins and whole blood cells are left behind due to the fact that their too big to pass through th ... g duct. A substantial amount of resorption takes place in the proximal convoluted tubule. The small proteins, glucose, and ions are returned to the blood by active transport. If the glucose in the fil ...

(2 pages) 54 0 3.7 May/2003

Subjects: Science Essays > Biology > Human Biology

How Amylase Digests Starch.

IntroductionEnzymes are proteins that are involved in all the chemical processes in living things. As they are made of prote ...

(3 pages) 40 0 0.0 Jul/2003

Subjects: Science Essays > Biology

DNA issues involved with researching by forensic scientists.

offender. DNA is a nucleic acid capable of replicating and determining the inheritance of a cell's proteins. In criminal scene samples of blood, semen or the root of a single hair have been able to s ...

(3 pages) 119 0 3.5 Jul/2003

Subjects: Law & Government Essays > Law

Biology notes on genetics.

s a nucleus and membrane - bound organelles. A bacterium's single DNA molecule is not coiled around proteins to form chromosomes. Instead, its face of the plasma membrane like a rope attached to the i ...

(5 pages) 129 2 2.4 Aug/2003

Subjects: Science Essays > Biology

The structure of DNA and protein synthesis.

called a gene. There are hundreds of genes in one chromosome. These genes contain the recipes, for proteins that make up most of your body. Structural proteins form skin, hair, and muscle. Most proce ... ody. Structural proteins form skin, hair, and muscle. Most processes in yourbody are carried out by proteins called enzymes.The Double Helix is a truly amazing structure. The double Helix looks like a ...

(2 pages) 92 0 0.0 Sep/2003

Subjects: Science Essays > Biology