Biochemistry

Starch and cellulose are two common carbohydrates. Both are macromolecules with molecular weights in the hundreds of thousands. Both are polymers (hence "polysaccharides"); that is, each is built from repeating units, monomers, much as a chain is built from its links. The monomers of both starch and cellulose are the same: units of the sugar glucose. Starch contains alpha-glucose as monomer, whereas cellulose contains beta-glucose.

Lactose, a sugar found in dairy products, cannot be digested properly if the body does not produce enough lactase enzyme. This can lead to digestive issues such as bloating, gas, and diarrhea in individuals who are lactose intolerant.

New scientific ideas undergo scrutiny through experiments, peer review, and replication to ensure validity and reliability. They may face skepticism, criticism, and debate before being accepted by the scientific community. Only when the evidence consistently supports the new idea will it be incorporated into scientific understanding.

Not using enough vitamin A can lead to a condition called vitamin A deficiency. This deficiency can cause symptoms such as night blindness, dry eyes, and increased susceptibility to infections. Severe cases of vitamin A deficiency can result in irreversible blindness and even death.

Water (H2O) molecules, one on either side of the molecule.

Vitamin K deficiency can cause massive hemorrhaging in infants due to impaired blood clotting. This deficiency can occur because newborns have lower levels of vitamin K, which is needed for proper blood coagulation. Infants are typically given a vitamin K injection shortly after birth to prevent this deficiency.

Antiknock additives like tetraethyllead (TEL) or methylcyclopentadienyl manganese tricarbonyl (MMT) are added to petrol to prevent engine knocking. These compounds increase the octane rating of petrol, reducing the likelihood of premature ignition in the engine.

The cell membrane is considered a bi-lipid layer because it is composed of two layers of phospholipid molecules. These phospholipids have hydrophilic (water-attracting) heads and hydrophobic (water-repelling) tails, which arrange themselves into a bilayer structure to create a barrier around the cell.

Glucose is the carbohydrate used commercially in the silvering of mirrors. It is used to reduce silver nitrate to silver metal in a chemical reaction that creates the reflective surface on the mirror.

During oxidative phosphorylation, which is part of the electron transport chain, a total of 6 water molecules are formed when oxygen is reduced to form water at the end of the chain.

The tool scientists use to load DNA into a gel for electrophoresis is called a micropipette. It is a precision instrument that allows researchers to accurately dispense small volumes of DNA samples onto the gel.

Allosteric enzymes have an additional regulatory site (allosteric site) distinct from the active site that can bind to specific molecules, affecting enzyme activity. Non-allosteric enzymes lack this additional regulatory site and their activity is primarily controlled by substrate binding to the active site. Allosteric enzymes show sigmoidal kinetics in response to substrate concentration due to cooperativity, while non-allosteric enzymes exhibit hyperbolic kinetics.

In the inner membrane of the mitochondria.

Carbon dioxide cannot burn anything, unless of course when it is extremely hot. if anything, carbon dioxide will prevent you burning, for example if you are on fire, because it removes some heat and stops oxygen getting to the fuel.

The primary structure of DNA refers to its linear sequence of nucleotides, which are made up of a sugar-phosphate backbone and nitrogenous bases. The four bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G), which pair up to form the double helix structure of DNA.

According to the balanced chemical equation, 3 moles of hydrogen are required to produce 2 moles of ammonia. As 22.4 liters of any gas at STP is equal to 1 mole, 1 mole of hydrogen gas occupies 22.4 liters. Therefore, to produce 18 liters of ammonia, (18/22.4) x 3 = 2.68 moles of hydrogen were used. This equates to 2.68 x 22.4 = 60.03 liters of hydrogen gas used during the reaction.

Yes, an enzyme is a substance, an organic substance, because it is a protein, and all proteins contain carbon, which is the definition of an organic substance.

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Proline is found in high-protein foods such as meat, dairy products, and eggs. It is also present in certain plant-based sources like soy products, avocado, and nuts. Additionally, proline can be found in dietary supplements or protein powders.

Niels Bohr used Planck's idea of quantization to propose his model of the atom, which successfully explained the line spectrum of hydrogen. Bohr suggested that electrons orbit the nucleus in quantized energy levels, emitting or absorbing photons of specific energies when transitioning between these levels, which correspond to the observed spectral lines.

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They differ because the sequence of the ordered base pairs are different making a unique polypeptide chain in every organism. The amino acids can form lactic acid build up in the chest area because of this, resulting in loss of binancial fluid, brain hemerages, and Torres syndrome (Uncontrollable twitching of the pelvis area)

Genetic engineering is widely used in medical advances in today's society. One form of genetic engineering in medicine is cloning. Cloning allows for some body parts as well as bone marrow and other cells to be created and provided to people in need of them. Once perfected, this may help to reduce the wait times of organ transplants.

Metabolic pathways. These pathways involve a series of enzyme-catalyzed reactions that help regulate the flow of energy and molecules within a cell. Each step in a metabolic pathway is carefully controlled to ensure proper functioning and homeostasis in the cell.

Analytical Biochemistry as a field emerged in the early 20th century with the development of techniques for separating and quantifying biological molecules. In 1957, the first Journal of Analytical Biochemistry was published, solidifying the field's identity and importance in biological research.