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Biochemistry

Biochemistry is the study of the structure, composition and chemical processes in all living organisms. It covers the structures and functions of various cellular components, including proteins, carbohydrates, nucleic acids, lipids, and other biomolecules.

8,065 Questions

What are polymers for rna?

RNA is a polymer that is made up of a sugar called ribose. Ribose is a simple sugar known as pentose monosaccharide.

The list of enzymes and their functions?

Enzymes produced by the pancreas include lipase, amylase, and trypsin. Each enzyme is responsible for breaking down something different in the body. Without these enzymes, the body is unable to properly digest the food you eat.

What is enzyme synthesis?

Enzyme synthesis is the process by which cells make enzymes through transcription and translation of the enzyme's gene into a functional protein. This involves the production of mRNA from DNA in the nucleus, and the subsequent translation of this mRNA into the enzyme in the cytoplasm. Enzymes are essential for catalyzing biochemical reactions in cells.

In photosynthesis is chlorophyll considered a reactant or a product?

Chlorophyll is actually a catalyst, an enzyme that facilitates the chemical reaction but is not changed by the reaction. When writing the photosynthesis equation out, the word 'chlorophyll' is often written over the "yields" arrow to indicate "in the presence of chlorophyll yields".

What is expressed when neither copy of an allele completely masks expression of the other but see a blending of alleles?

When neither copy of an allele is completely expressed or completely masked, it is called Incomplete Dominance. When incomplete dominance is present, then the offspring will have a blend of both parental phenotypes but will always be a slight bit slower to one parent than the other.

What phase in cellular respiration releases the oxygen?

glycosis, where a six carbon sugar is split into two molecules of a 3 carbon sugar.

How can you tell the difference between a fatty acid and a protein?

A protein is a biochemical macromolecule made up of amino acid monomers (of which there are 20), while a fatty acid is generally a long aliphatic (hydrocarbon) chain attached to a carboxylic acid moiety. Functionally, fatty acids can be turned into energy, or up to three can be attached to a glycerol backbone to create a di- or tri-acylglyceride to become a component of the bilayer membrane of cells. Proteins can perform a variety of functions in the cell, and can provide structure to the cell (actin filaments), be involved in signaling (G proteins), or have catalytic activity (enzymes).

What is the smallest piece of matter a compound can be broken into and still have the same properties?

The smallest piece of matter a compound can be broken into and still have the same properties is a molecule. When a compound is broken down into individual molecules, the chemical properties of the compound remain unchanged because the molecules contain the same types and numbers of atoms that give the compound its characteristic properties.

Why are some red blood Cells darker than brighter Cells?

Mature red blood cells resemble a donut, with a sort of membrane in the center. Under a light microscope, the thinner center of the red blood cell allows more light through, and the transparency gives it a lighter shade.

What chemical substance do yeast consume?

Yeast uses sugar in respiration.

Glucose is the primary substrate.This is oxidized during respiration

How many functions does one enyme have?

One function. A enzyme is particular about it's substrate, so the enzyme can catalyze one reaction by lowering that reaction's activation energy.

What are some examples of complex lipids?

phospholipids, glycero phosphilipids, and sphingophospholipids

What are the percentages of the food types in a balanced diet?

For a balanced diet 33 percent of your food should be fruits and vegetables. Dairy products should be 15 percent of your food intake, breads and starches should be 33 percent and fats and sugars should only be 7 percent. Proteins like meat, fish and beans should be 12 percent of your calorie intake.

What can you do about the ammonia smell in your urine?

You can remove the smell of urine by using a vinegar/water solution. Your question doesn't say whether the fabric is furniture, carpet or clothes. So, I'll cover all of them. On fabric and carpet, I use my shampooer. I use the recommended amount of shampoo, but for the water I use a 50/50 mix of vinegar and water. If you don't have a shampooer, the easiest thing to do is to mix a 50/50 solution in a spray bottle and spray the spot. Really soak it. Use an old towel to dab it dry. If it is something that can be laundered, pour up to 1/2 a SMALL box of baking soda in the washer, over the clothes. Add your detergent and anywhere from 1 to 4 cups of vineger. It will work best if you actually pour the baking soda and vinegar directly on the soiled items. The baking soda will make it fizz like crazy, but it won't overflow. You can even use more vinegar if it doesn't work to your satisfaction. The vinegar smell will disappear when it dries. Another thing that works, is if you have access to a washer with a "sanitize" setting, it will sometimes get the odor out without the vinegar and baking soda.

ATP is described as?

ATP is known as adenine tri phosphate and read this article for more information on this fascinating topic {http://biochemistry.suite101.com/article.cfm/what_is_atp}

mainly it is the universal unit of energy used in all living cells. This molecule is produced and broken down in metabolic processes in all living systems.

Adenosine triphosphate is the source of about 95% of the body's energy requirements. Adenosine triphosphate is also known as ATP. ATP is the chemical in our bodies that fuels all muscular contractions and is the source of energy that powers skeletal muscles. Adenosine triphosphate is a nucleotide, which is a chemical compound that bonds to nucleic acids. It is used in cellular metabolism as one of the basic methods of transferring chemical energy between chemical reactions. It is the primary molecule to which energy is transferred during the breakdown of fuel molecules, carbohydrates and fats.

ATP is indeed responsible for most of the energy dependent processes in living organisms but its chemistry is still largely unknown. ATP is also an essential factor in the healing process. Adenosine triphosphate is a nucleotide that consists of the base adenine, the sugar ribose, and a string of three phosphate groups. In addition to its crucial roles in metabolism adenosine triphosphate is a neurotransmitter. Adenosine triphosphate is synthesised by mitochondria in skeletal muscle tissue and is used in cytoplasm for myofibrillar contraction.

Formula for Glycerol?

a trihydric alcohol is called glycerol containing tree hydroxyl groups

Where is Calvin cycle occurring?

The Calvin cycle occurs in the stroma of the chloroplasts in plant cells. It is the second stage of photosynthesis, where carbon dioxide is converted into sugars using ATP and NADPH produced during the light-dependent reactions.

What are two reasons why having a basic knowledge of biochemistry is important fo everyone?

Define "basic knowledge of biochemistry" and then I will tell you what is important for EVERYONE to know and what is not. Seriously, if by biochemistry you mean "fundamentals of cellular metabolism," I am not sure how important it is to remember that Glucose is degraded to two 3-carbon compounds which are further broken down to CO2 and then made into ATP. Many people cannot make the connection as to what ATP is really used for. A more useful concept probably not taught cleanly to introductory biochem students is the Cori cycle. Now THAT is interesting. In graduate school they teach you how the Coris proved what happens in metabolism of the liver, skeletal muscle, and so on.

What happens when you eat too many fat-soluble vitamins?

Fat soluble vitamins are not as quickly eliminated from the body, but rather are stored in fat tissues and in various organs throughout the body. The regulation of the body levels of these vitamins is therefore not as precise as for the water soluble vitamins and long term consumption at levels above those required can mean the build up of toxic levels of fat soluble vitamins in the body. Toxic symptoms have been recorded but for some fat soluble vitamins such as vitamin E and vitamin K it has been difficult to establish the effects of chronic (long term) consumption levels.

What makes wood wood?

Wood is composed mostly of cellulose and lignin, in the form of fibers, and it comes from plants (trees or possibly shrubbery). Those are the defining characteristics of wood.

Do fructose and glucose contain reducing sugars?

No, it is a polysaccharide and like other polysaccharides it is a non reducing sugar.

What are the three chemical constituents that comprise every nucleotide?

One phosphate group, five-carbon sugar and nitrogenous base are the three basic chemical constituents that every nucleotide is comprised of. They act as the subunit or monomer of nucleic acids such as RNA and DNA.

How did Gertrude B Elion impact medicine today?

Elion used research methods that would also lead to the development of AZT, the drug for AIDS. She invented numerous pharmaceuticals herself that are of enormous value in medicine. Please see the link.