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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

A monosaccharide of five carbons is a?

A carbohydrate with five carbon atoms in its molecular structure.

10 hormones with their function?

  1. Insulin: regulates blood glucose levels by promoting glucose uptake by cells.
  2. Testosterone: responsible for male sexual characteristics and reproductive function.
  3. Estrogen: responsible for female sexual characteristics and reproductive function.
  4. Cortisol: involved in the stress response and regulation of metabolism.
  5. Thyroid hormones (T3 and T4): regulate metabolism and growth.
  6. Oxytocin: stimulates uterine contractions during childbirth and promotes bonding.
  7. Growth hormone: stimulates growth and cell reproduction.
  8. Melatonin: regulates sleep-wake cycles and circadian rhythms.
  9. Adrenaline (epinephrine): increases heart rate and blood flow in response to stress.
  10. Leptin: regulates appetite and energy balance.

Will gum myrrh dissolve in ethyl alcohol?

As the resins in myrrh do not readily dissolve in water,

the best way to prepare myrrh is in tincture form. Tinctured

myrrh is typically made in a 1:5 ratio meaning 1 part myrrh and

5 parts menstrum. The menstrum used in this particular tincture

is 90% ethanol alcohol, and 10% water.

Which pair of amino acid will have the highest absorbance at 280 nm?

Aromatic amino acids such as tryptophan and tyrosine will have the highest absorbance at 280 nm due to their aromatic ring structures. These amino acids have strong UV absorbance properties and are commonly used in protein quantification assays due to their unique spectral properties at 280 nm.

What is the primary source of energy for ATP formation?

Major source of energy is stored Fat in body. About 10 to 15 kg in average adult man of 70 kg weight. It gives 9 kilo calories (Calories.)/ gram of weight. For immediate release of energy, you have Glycogen stored in liver and muscles. About 150 grams each. Then about 1 gram/kg/day is broken down from body. Also other amine acids than 20 amine acids required by body are broken down to give you enegry. ( There are over 300 amine acids are found in nature.) Both give 4 kilocalories/ gram of weight. Glucose enters after Glycolysis and others enter in TCA cycle via Acetyl co A, to give enery to you in biological oxidation.

Why do living things depend on enzymes?

Living things depend on enzymes because enzymes are proteins that catalyze or speed up chemical reactions in the body. Enzymes are essential for processes such as digestion, metabolism, and cellular functioning. Without enzymes, these reactions would occur too slowly to sustain life.

Large macromolecules formed from many monosaccharides?

Polysaccharides are large macromolecules formed from many monosaccharides joined together by glycosidic bonds. They serve as energy storage molecules (e.g., starch and glycogen) and structural components (e.g., cellulose and chitin) in living organisms.

Meaning of NADH in biology?

It stands for Nicotinamide adenine dinucleotide phosphatewhich is a coenzyme, something that is used in chemical reactions.

It plays a role in anabolic reactions; reactions which involve creating something. One example of a reaciotn which uses NADP is photosynthesis (the process by which plants make food using light energy).

Have a look aon Wikipedia for more easy to understand info... or find a more reputable source on the internet, its not hard.

What Alpha amino acid is a diamino mono carboxylic acid?

Lysine is the alpha amino acid that is a diamino mono carboxylic acid, as it contains two amino groups (-NH2) and one carboxylic acid group (-COOH) in its chemical structure.

Which modeling method only gives information about the number and identity of atoms in a molecule?

The molecular formula provides information about the number and type of atoms in a molecule. This formula gives the actual number of each type of atom in a molecule but does not provide information on the arrangement or connectivity of the atoms within the molecule.

What are phenolic acids?

Phenolic acids are phytonutrients that are easily absorbed through the walls of your intestinal tract. They may be beneficial to your health because they work as antioxidants that prevent cellular damage due to free-radical oxidation reactions, and they may also promote anti-inflammatory conditions in your body. They include:

  • Ellagic acid, found in blackberries, cranberries, pecans, pomegranates, raspberries, strawberries, walnuts, wolf berries, grapes, and peaches, directly inhibits the DNA binding of certain carcinogens, and acts as anantioxidant by reducing oxidative stress.
  • Capsaicin, found in hot chile peppers, is used as a topical pain reliever, improves psoriasis and other skin problems, is used as a nasal spray to help with certain types of headaches, protects against stomach ulcers, inhibits the growth of prostate cancer cells, and makes your body produce endorphins, which create a euphoric feeling.
  • Tannic acid, found in apricots, asparagus, blackberries, broccoli, cabbage, chocolate, grapefruits, grapes, green tea, lemons, limes, melons, oranges, peas, pineapples,spinach, and wine, is a powerful antibacterial, antimutagenic, antioxidant, antitoxic, and astringent that can prevent diarrhea, and may prevent Alzheimer's disease, cancer, and diabetes.
  • Tetrahydrocannabinol (THC), found in the resinous glands covering the buds of the mature female marijuana plant, has anti-emetic, appetite enhancing, and relaxing effects, acts as an analgesic, can reduce intraocular pressure, controls seizure disorders, has some anti-inflammatory properties, cuts tumor growth in common lung cancer in half and significantly reduces the ability of the cancer to spread, and inhibits the proliferation of glioblastoma (brain tumors).
  • Monophenols are mainly found in herbs and have antioxidant properties, which means they can protect you from the damaging effects of oxygen-based reactions and have also been linked with cancer protection.

Areas where Microsoft Word is used in day to day work?

to produce suitable documents for the work place such as letters and memos it can also be used for mail-merging. to produce suitable documents for the work place such as letters and memos it can also be used for mail-merging.

What properties of membranes are responsible for self sealing of Cellular membranes?

in the case of living cellular environment,when a cellular membrane is departured or broken the hydrophobic areas,that is hydrophobic fattiacid region tend to aggregate together.

This is due to the fact that the Phospholipid arrangement is spontaneous and is thermodynamically most stable. A small tear in the bilayer creates a free edge and thus exposes a part of the hydrophobic tails to the polar environment and this is thermodynamically unfavourable, which is overcome by by closing on itself and forming a sealed compartment

Are hormones effective in low concentrations?

Yes, hormones can be effective in low concentrations as their effects can be highly potent and specific even at low levels. However, the effectiveness of hormones can vary depending on the specific hormone, its target, and the context in which it is acting.

What is the purpose of washing the precipitate?

because hot water can dissolve the precipitate.

What is the principle of aldehyde test for proteins?

The principle of the aldehyde test for proteins involves treating a protein sample with a reagent (such as 2,4-dinitrophenylhydrazine) that reacts with aldehyde groups produced from the oxidation of terminal amino groups in proteins. This reaction forms a yellow-orange precipitate, indicating the presence of proteins. This test is commonly used as a qualitative test to detect the presence of proteins in a sample.

What is the clinical importance of bilirubinuria of urobilinogenuria?

Bilirubinuria indicates liver or biliary tract disease, as it is not usually found in urine. Urobilinogenuria can occur in hemolytic diseases, liver diseases, or certain medications. Both can help diagnose conditions affecting the liver and bile ducts.

Why egg albumin and casein did not react ninhydrin reagent?

It should react to this reagent. However it must be HEATED before it will react.


This is due to the fact that when Ninhydrin is heated it stabilizes and the reacts with the -NH2 groups on the amino acid.

What is the meaning of the safety symbol for scissors?

The safety symbol for scissors typically indicates that users should exercise caution and be mindful of sharp blades to avoid injury. It serves as a reminder to use scissors only for their intended purpose and to store them in a safe manner when not in use.

What is Amylolytic Enzyme?

Amylolytic enzymes are a group of enzymes that break down starch molecules into simpler sugars like maltose, glucose, and maltotriose. They play a crucial role in various processes such as digestion in animals, brewing beer, baking bread, and producing ethanol. Examples of amylolytic enzymes include amylase, glucoamylase, and pullulanase.

How much do prenatal vitamins cost weekly?

The cost of prenatal vitamins can vary depending on the brand and quality. On average, they can range from $10 to $30 per week, but this price may fluctuate based on where you purchase them and whether you buy them in bulk or individually. It is recommended to consult with a healthcare provider to find a suitable and affordable option for your specific needs.

An enzyme acts to?

An enzyme acts to speed up chemical reactions by lowering the activation energy required for the reaction to occur. It does this by binding to specific substrates and facilitating the conversion of reactants into products. Enzymes are specific in their function, often catalyzing only one type of reaction.

What is clinical significant of urea?

The clinical significance of Urea is that it helps a doctor tell what is wrong with a patient. In order to do so, because of the nitrogen found within Urea, it can change the color of one's own urination.

Which femenine hormone is?

Estrogen is the primary feminine hormone. It plays a key role in regulating the menstrual cycle, supporting reproductive functions, and maintaining secondary sexual characteristics in females.