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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

Would glucose solution produce a positive Benedicts test?

No, Benedicts reagent will show positive results if the carbohydrate is a reducing sugar. You will know if it is positive if the sample will turn from blue to green then to orange when you are cooling the solution, which is the last step when you are performing the benedicts test for carbohydrates.

What is the difference between digestive enzymes and papaya enzymes?

Digestive enzymes are natural substances produced by the body to help break down food for absorption. Papaya enzymes specifically refer to a type of enzyme found in papaya fruit called papain, which can also aid in digestion by breaking down proteins. While both can support digestion, papaya enzymes are derived from papaya fruit, whereas digestive enzymes can come from various sources and assist in breaking down different types of nutrients.

Which vitamin is needed to synthesize nonessential amino acids from essential amino acids?

Vitamin C is needed to synthesize nonessentail amino acids from essential amino acids.

Do enzymes produce proteins?

Enzyme are not producing proteins but they catalyses the steps in proteins synthesis. Proteins are produced in ribosomes by amino acids and RNA molecules such as tRNA and mRNA. Enzyme such as peptidyl synthetase catalyse the prptide bond formation between amino acids.

What are complementary proteins?

Complementary proteins are two or more proteins that, when combined, provide all essential amino acids needed by the body. By combining different plant-based protein sources, such as rice and beans or hummus and whole grain pita, you can ensure you are getting a complete protein profile.

Are anabolic pathways spontaneous?

You would expect a catabolic reaction to be spontaneous because this type of reaction involves the release of energy. You would expect reactions that require energy (anabolic reactions) not to be spontaneous due to the need for an input of energy.

What is gnrh hormone?

GnRH (Gonadotropin-releasing hormone) is a hormone produced by the hypothalamus in the brain. It regulates the production and release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the pituitary gland, which in turn control the release of sex hormones from the ovaries and testes. GnRH plays a crucial role in the regulation of reproductive functions in both males and females.

What is HBlg?

I'm not sure what "HBlg" refers to. Could you please provide more context or clarify your question?

What kind of vitamin you get in eye?

Vitamin A helps protect the surface of the eye (cornea), it is essential for good vision.

Studies show vitamin A eye drops are effective for the treatment of dry eyes. In fact, one study found that over-the-counter lubricating eye drops containing vitamin A were as effective for the treatment of dry eye syndrome as more expensive prescription eye drops formulated for dry eye relief.

Vitamin A eye drops also have been shown effective for the treatment of a specific type of eye inflammation called superior limbic keratoconjunctivitis.

Vitamin A, at least when in combination with other antioxidant vitamins, also appears to play a role in decreasing the risk of macular degeneration (AMD). In the landmark Age-Related Eye Disease Study (AREDS) sponsored by the National Eye Institute, people at high risk for the disease who took a daily multiple vitamin that included vitamin A (as beta carotene), vitamin C, vitamin E, zinc and copper had a 25 percent reduced risk of advanced AMD during a six-year period.

It also appears that a combination of vitamin A and lutein may prolong vision in people suffering from retinitis pigmentosa (RP). A recent four-year study conducted by researchers from Harvard Medical School and other prominent universities found that individuals with retinitis pigmentosa who took daily supplements of vitamin A (15,000 IU) and lutein (12 mg) had a slower loss of peripheral vision than those who did not take the combined supplements.

Because beta carotene is converted into vitamin A in the body, it's likely beta carotene (provitamin A) offers similar eye benefits as the pre-formed retinol type of vitamin A, though more research is needed to confirm this.

What general type of reagent might the body use to regenerate vitamin C that was lost in a cooked vegetable?

The body might use reducing agents, such as glutathione or NADH, to regenerate vitamin C that was lost in a cooked vegetable. These compounds have the ability to convert the oxidized form of vitamin C (dehydroascorbic acid) back to its active reduced form (ascorbic acid).

Can children take maru-man enzyme?

It is not recommended for children to take maru-man enzyme without consulting a healthcare professional first. Children have different nutritional needs and sensitivities compared to adults, so it is important to get proper guidance before giving them any supplements.

The largest group of hormones?

The largest group of hormones is the peptide hormones, which include proteins, glycoproteins, and small peptides. These hormones are made up of chains of amino acids and are produced in various organs including the pituitary gland, pancreas, and adrenal glands. Peptide hormones act by binding to specific receptors on target cells to trigger a cellular response.

Which part of the nephron is under the control of the hormones ADH and aldosterone?

The distal tubule and collecting duct are the parts of the nephron that are under the control of the hormones ADH (antidiuretic hormone) and aldosterone. These hormones regulate water reabsorption and sodium reabsorption, respectively, in these segments of the nephron.

What is the job of vitamin E called?

Vitamins from this group (8 vitamins E are known) are antioxydants.

What happens as ATP is synthesized in the electron transport chain?

During ATP synthesis in the electron transport chain, energy is used to pump protons across the inner mitochondrial membrane, creating a proton gradient. This gradient drives the flow of protons back across the membrane through ATP synthase, which couples the movement of protons to the synthesis of ATP from ADP and inorganic phosphate. This process is known as oxidative phosphorylation.

What type of macromolecule is polypeptide chain?

A polypeptide chain is a type of macromolecule known as a protein. Proteins are made up of one or more long chains of amino acids, which are linked together through peptide bonds to form polypeptides. These polypeptides then fold into specific 3D shapes to carry out various biological functions.

Why do children age 0-3 need carbohydrate?

Carbohydrates are a source of energy for young children, especially during rapid growth and brain development in the first few years of life. They help fuel their activities and support overall growth and development. Including carbohydrates in their diet also helps provide fiber for digestive health and regulate blood sugar levels.

Do enzyme or lipids cause molecules to change without themselves changing?

Enzymes are biological catalysts that facilitate chemical reactions without being consumed or altered in the process. They do this by lowering the activation energy required for a reaction to occur. Lipids, on the other hand, do not act as catalysts for chemical reactions and do not cause molecules to change without themselves undergoing changes.

What is Toluidine used for?

Toluidine is used in the manufacturing of dyes, pharmaceuticals, and agricultural chemicals. It can also be used as an intermediate in the production of synthetic resins and rubber chemicals.

What is the normal use of protein in the body?

Proteins are made up from 'building blocks' called amino acids. When consumed, enzymes break protein down into these base amino acids. They can then be used in other parts of the body, as many parts are made from protein.

How are enzyme usually named?

Enzymes are typically named based on the substrate they act on, with the suffix -ase added to indicate their enzymatic function. For example, an enzyme that breaks down lactose is called lactase. Sometimes enzymes are also named based on their function or the organism they are derived from.

What is the contribution of Julius lothar Meyer to the periodic table?

The periodic law was revised by English scientist Henry Moseley. While investigating the X-Rays of elements in the laboratory of Rutherford, he discovered that each element was specifically associated with an atomic number. The arrangement of the elements in increasing atomic number led to the correct alignment of the elements.