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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 is the relationship between ADP and Atp?

Adenosine diphosphate (ADP) has a structure that is similar to that of Adenosine triphosphate (ATP); the only difference is that ADP has two phosphate groups instead of three. When a Cell has energy available, it can store significant amounts of energy by adding a phosphate group to the ADP molecules producing ultra-energy rich ATP.

What is a protein pump?

it is a protein in a quatenary structure or three d sturucture with in the cell wall and transports macro molecules, hydrophobic molecules or molecules that are going agains the concentration(respectively are to big to go through, repel the cell wall, or are going against the traffic of osmosis) by using those molecules as a substrate( something that fits into a protein) and moves to the other side of the wall

What varies from one amino acid to the next?

The basic structure of an amino acid is HXN-CHR-CO2H, where, in the 20 most common biological amino acids, X=hydrogen. The R group attached to the amino acid base is what makes up the difference.

What are chromosomes made up of?

Chromosomes are made up of DNA, proteins, and small RNA molecules. DNA contains the genetic information that is passed on from one generation to the next, while proteins help in structural support and regulation of gene expression. Small RNA molecules are involved in processes such as gene regulation and maintenance of chromosome structure.

The various enzymes in your bodies are what?

Enzymes in the body are proteins that act as biological catalysts, facilitating chemical reactions in cells. They help speed up reactions by lowering the activation energy required for the reaction to occur. Enzymes are crucial for various physiological processes such as digestion, metabolism, and cell signaling.

Where is the energy stored in ATP?

ATP (made in your mitochondria) stores energy in the bond between the 2nd and 3rd phosphate group attached to it. engery is stored in all bonds but this is the min one broken to use the energy in the cell

Proteins are made on the what?

Proteins are made on the ribosomes within cells. The ribosomes read the instructions from messenger RNA (mRNA) to assemble amino acids into a specific order, forming a protein molecule.

How does fermentation enable glycosis to continue producing ATP?

During fermentation, cells convert NADH to NAD+ by passing high-energy electrons back to pyruvic acid. This action converts NADH back into the electron carrier NAD+, allowing glycolysis to continue producing a steady supply of ATP.

How does too much consumption of Vitamin C tax the kidneys?

If there is an excess of Vitamin C in the body, then the kidneys must work to remove it from your blood and get rid of it as liquid waste.

However, this does not strain the kidneys nearly as much as taking most drugs would (except for those which strain the liver, instead), so you shouldn't have anything to worry about. Just use reasonable amounts (when you are not sick, 4 to 5 grams should be plenty - even 1-2 grams will probably be enough) and you should be fine.

Why do color change in biuret test?

The copper atoms of Biuret solution (CuSO4 and KOH) will react with peptide bonds, producing a color change.

A deep violet or blue color indicates the presence of proteins and a light pink color indicates the presence of peptides.


http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20laboratory/chemical%20composition%20of%20cells/chemical%20composition%20of%20cells.htm

Which macromolecule contains deoxyribose?

DNA, which stands for deoxyribonucleic acid, is the macromolecule that contains deoxyribose in its structure. Deoxyribose is a sugar molecule that forms the backbone of the DNA double helix.

A punnett square is a shorthand way to show the events that occur during what?

A punnett square is a shorthand way to show the possible genetic outcomes or combinations that can result from a genetic cross between two individuals. It helps predict the probability of specific traits being passed on to offspring.

Show my the pH chart by strong and weak acid?

A strong acid completely dissociates into an H+ ion and an anion.

pH is defined as pH = -log(H+ concentration)

So if you have 0.01 mole hydrochloric acid (HCl) per 1 mole solution, since

each mole HCl contributes a mole of H+ and a mole of Cl-

then you would have H+ concentration of 0.01

pH = -log(0.01) = -(-2) = 2, so the pH = 2

Note that higher H+ concentrations result in lower pH number

What are elements in protein?

Proteins are made up of amino acids, which are the building blocks of protein molecules. There are 20 different amino acids that can be combined in various sequences to form different proteins. These amino acids contain elements such as carbon, hydrogen, oxygen, nitrogen, and in some cases sulfur.

Enzymes have optimal temperatures.most human enzymes have an optimal temperature of about?

The optimal temperature of enzymes in humans is about 37c, the same as the human body's temperature. However, some enzymes work at higher temperatures than 37 but not very high because higher temperatures denatures (destroy) the enzymes.

Is tRNA composed or ribonucleotides?

Yes, tRNA (transfer RNA) is composed of ribonucleotides. Each tRNA molecule is made up of a single RNA strand that is folded into a cloverleaf-like shape, with specific sequences of ribonucleotides that form the coding region and the anticodon loop.

What elements make up proteins?

Carbon, hydrogen, nitrogen, oxygen, and (often) sulfur. All amino acids contain the first four; cysteine and methionine contain sulfur as well. Some proteins have "cofactors" or other unusual groups which can contain just about anything... for example, the protein hemoglobin contains a heme group, which has iron at its center.

What color is Sudan iv?

Sudan IV is a reddish-orange dye that is commonly used in lipid staining techniques.

Why maltose gives sunflower shaped crystals in osazone test?

Maltose forms sunflower-shaped crystals in the osazone test because its structure allows for multiple hydroxyl groups to participate in the reaction with phenylhydrazine. The specific arrangement of these hydroxyl groups on maltose leads to the formation of complex crystalline structures, giving rise to the characteristic sunflower appearance.

What acts as a catalyst in biochemical reactions?

Biochemical reactions are the reactions taking place in the Biological systems. The biological systems contains proteins whose one of the main functions is to catalyse the reactions. The proteins involved in such type of reactions are called as an enzyme. The enzymes catalyse the reactions by lowering the activation energy (energy required to attain the transition state) and helps in the conversion of substrate into the required product.

What are nucleic acids chains made of?

Nucleic acid chains are made of nucleotides, which consist of a sugar molecule, a phosphate group, and a nitrogenous base. These nucleotides are linked together through phosphodiester bonds to form the chains in DNA and RNA molecules.

What is an organism that is able to make its own food?

Organisms that can produce their own food are known as autotrophs. There are two main categories of autotrophs, they are: phototrophs (derive their energy from sunlight) and chemotrophs (derive their energy from the oxidation of a chemical fuel). An example of photoautotroph is a pine tree, an example of a chemotroph is a Methanobacteria.

What do high temperatures do to enzymes?

When enzymes are heated to high temperatures they can denature which means that they sort of fall apart as the bonds which hold the amino acids (the molecule that makes up an enzyme) together. when the enzyme denatures it looses its shape and cannot bind with the substrate (the thing it is trying to break down).

Almost all enzymes are biochemically active at metabolic temperatures, i.e., mid 30's to 38 degrees Celcius. Moreover, the temperature affects directly to the tertiary and secondary structures disrupting hydrogen bonds, van der Walls and ionic forces

Where is an ATP nucleotide made?

ATP nucleotides are primarily synthesized in the mitochondria of cells through a process called cellular respiration. This process involves the breakdown of glucose to produce ATP molecules, which serve as a key energy source for the cell.