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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 last step of the Calvin cycle?

The last step of the Calvin cycle is regeneration of RuBP (Ribulose-1,5-bisphosphate) using ATP to continue the cycle. This is necessary to replenish the RuBP molecules that are used in the initial carbon fixation step.

How do chemists use this fact to create antibiotics that can destroy a bacterial infection without harming human cells?

Antibiotics attack proteins only found in bacteria. Each one targets a specific area, be it their cell wall, cell membrane, protein synthesis centers, and really any area that differs enough from human cells

What is the purpose of elementary composition of proteins?

Carbon, Hydrogen and oxygen= presence of the three can be tested by heating a (protein preferably Casein) containing solid in a test tube over a low flame.

Nitrogen= nitrogen's presence can be tested in casein through mixture with Soda lime and heat. the confirmatory product is NH3 gas which turns red litmus paper to blue.

to test for sulfur and phosphorus perform first the fusion reaction.

Sulfur= presence is indicated by a white precipitate BaSO4 through reaction with BaCl2 in acid medium

Phosphorus= addition of ammonium molybdate in acidic solution and heat forms yellow precipitate.

What is the building up and breaking down of chemicals in the cell?

Metabolism. The building up (synthesis) of molecules is anabolism, and breakdown of chemicals is catabolism. Metabolism is the term for all cell chemistry, including anabolism and catabolism, as well as other reactions, such as interconversions.

During which stage do two tRNAs properly align their two ammino acids so that they may be chemically attached to one another?

During the translation process, the aligning of two tRNAs with their amino acids occurs in the peptidyl transferase center of the ribosome during the stage of elongation. This is when the ribosome forms the peptide bond between the two amino acids, creating a growing polypeptide chain.

Provide the symbols for the four elements which are common to all proteins?

H = Hydrogen,

C = Carbon,

O = Oxygen, and

N = Nitrogen.

These are the Symbols for these four "proteinaceous" Elements.

Example Of Unsaturated Solution?

There's many unsaturated solutions, and example can be iced tea. It all depends of how much the liquid can handle. If you add the iced tea powder in water and some sugar is kept at the bottom that means it is saturaded, if you put less amount of the iced tea and keep stirring and adding more until its got enough and nothing is standing at the bottom then you'll know its unsaturated.

What is the goal chemosynthesis?

Photosynthesis is the process of converting light energy to chemical energy and storing it in the bonds of sugar. This process occurs in plants and some algae (Kingdom Protista). Plants need only light energy, CO2, and H2O to make sugar. The process of photosynthesis takes place in the chloroplasts, specifically using chlorophyll, the green pigment involved in photosynthesis.

Is Photosynthesis food production in organisms with chlorophyll?

No, photosynthesis is a process through which plants and some other organisms convert light energy into chemical energy in the form of glucose. This glucose can later be used as a source of energy, but it is not considered food production within the organism itself.

Are antibodies made of enzymes?

No, antibodies are not made of enzymes. Antibodies are Y-shaped proteins produced by the immune system and play a key role in identifying and neutralizing pathogens. Enzymes are a different type of protein that catalyze biochemical reactions in the body.

How does protein in food become protein in the body?

When we eat protein-rich foods, our digestive system breaks down the proteins into amino acids. These amino acids are then absorbed into the bloodstream and transported to cells throughout the body where they are used to build new proteins to support various functions such as muscle growth, repair, and hormone production.

What are the two tautomeric forms of cytosine?

The amino and inimo forms are the two tautomers of cytosine. The differ due to resonsnce around the double bond between C1 and N in the ring and C1 and N in the side chain.

The amino and inimo forms are the two tautomers of cytosine. The differ due to resonsnce around the double bond between C1 and N in the ring and C1 and N in the side chain.

In the presence of a metabolic poison that specifically and completely inhibits the function of mitochondrial ATP synthase what would you expect A. a decrease in the pH difference ac?

In the presence of a metabolic poison that inhibits mitochondrial ATP synthase, the pH difference across the mitochondrial membrane would increase. This is because ATP synthase plays a crucial role in generating ATP by utilizing the proton gradient (pH difference) across the membrane. Inhibition of ATP synthase would disrupt ATP production, leading to a buildup of protons on one side of the membrane.

What is the monosaccharide that results from the complete hydrolysis of amylose?

Amylose is made up of α(1→4) bonded glucose monomers, so glucose is the only product of complete hydrolytic breakdown.

What states that acceleration equals force divided by mass?

Newton's second law states that acceleration is directly proportional to the net force acting on an object and inversely proportional to its mass. This relationship is mathematically represented as F = ma, where F is the force, m is the mass of the object, and a is the acceleration.

List three mixtures commonly used to separate mixtures into their component substances?

  1. Filtration: This method separates mixtures based on particle size differences, where a porous barrier is used to separate larger particles from the smaller ones in a mixture.
  2. Distillation: By heating a mixture to its boiling point, the components with different boiling points are vaporized and then condensed into separate containers.
  3. Chromatography: This method separates mixtures based on differences in solubility and affinity for a stationary medium, allowing components to migrate at different rates and be isolated.

How do Meiosis and Mitosis differ?

Meiosis is a type of cell division that produces gametes (sperm and egg cells) with half the number of chromosomes as the parent cell, resulting in genetic diversity. Mitosis is a type of cell division that produces identical daughter cells with the same number of chromosomes as the parent cell, used for growth, repair, and asexual reproduction.

What is Nucleus DNA?

The nucleus is a cellular organelle that houses the cell's DNA and serves as the control center for cellular activities. DNA, or deoxyribonucleic acid, is a molecule that contains the genetic instructions for the development, functioning, growth, and reproduction of all living organisms. It is stored within the nucleus in eukaryotic cells.

Does chondriana reverse the aging process?

There is no scientific evidence to support the claim that chondriana can reverse the aging process. While some supplements may support overall health and vitality, they cannot halt or reverse the natural aging process. It is important to be cautious of products that make exaggerated claims about anti-aging benefits.

What is the difference between a filled and an unfilled orbital?

A filled orbital has either 2 electrons (if it is the first shell of an atom) or 8 electrons. This is the highest number of electrons these shell can hold Every orbital tends to complete itself to form a stable element.

A filled orbital could be any orbital, either 1st, 2nd, second last or last shell of the atom.

An unfilled orbital always has atleast one less electron than the shell can hold. It is always the last shell of an atom and always makes the atom unstable as atom tends to acquire inertness by trying to get this unfilled oribital filled.

Aerobic respiration is essentially the reverse equation of?

photosynthesis. In aerobic respiration, glucose and oxygen are used to produce carbon dioxide, water, and ATP, while in photosynthesis, carbon dioxide and water with the help of light energy produce glucose and oxygen.

What are the parts of a dry cell?

Break the cell from bottom with a hammer , take out the MGO2 from inside , hit the upper part of the cell and remove the carbon rod from it.

make the paste of the mgo2 with water and fix carbon rod and zinc plate as cathode and anode in a box and connect their wires in the galvanometer and you will get the current deflection on it

Can eating too many carbohydrates affect someones breathing?

Yes, consuming too many carbohydrates in one sitting can lead to a spike in blood sugar levels, causing the body to release excess insulin. The rapid decrease in blood sugar levels that follows can sometimes lead to symptoms like shortness of breath or difficulty breathing. Additionally, individuals with certain conditions like obesity or diabetes may experience further respiratory issues due to the impact of excessive carbohydrate intake on overall health.

What is the relationship between osmosis and active transplant?

I think you mean "Active Transport" The main differences between the two is that osmosis does not use energy and active transport does. Also osmosis moves from a higher concentration of solution to a lower concentration, whereas active transport can be used to go from a lower concentration of solution to a higher concentration.

What is a three carbon alkane with molecular formula C3Ho?

its is a bigraphic chemical within the industrialization between the crystalyzation of the neutrons chemically reacting with protons.