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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 another way of describing a dehydration synthesis reaction?

A hydroxyl group is removed from one molecule, a hydrogen atom from another molecule, and the two molecules are joined together to form a larger molecule. The OH and H combine together to form a water molecule.

Therefore, dehydration synthesis involves removing a water molecule from two molecules (dehydration) in order to form a larger molecule (synthesis).

This can be seen in many polymerization reactions, such as in forming a polypeptide from several amino acids.

In this particular case, the OH is removed from the carboxyl group of one amino acid, and an H is removed from the amino group of another amino acid. The two amino acids are joined together in a dipeptide bond, and a water molecule is formed from the OH and H that were removed.

Distinguish between the terms in each what pairs monosaccharide poltsaccharide?

Monosaccharides, or glucose, are the monomers of carbohydrates. While, polysaccharides, or starch, are the polymers of carbohydrates.

Sources: I just learned this yesterday in biology :)

What is potato enzymes?

Potato enzymes are proteins found in potatoes that play a role in various biochemical processes such as metabolism and growth. Some common potato enzymes include amylase, which breaks down starch into sugars, and catalase, which helps break down hydrogen peroxide into water and oxygen.

Why is dorsiflexion important during walking?

Dorsiflexion is important during walking because it helps lift the foot and clear it from the ground during the swing phase of the gait cycle, preventing tripping or stumbling. It also allows for proper alignment of the foot and ankle, promoting a more efficient and stable walking pattern. Additionally, dorsiflexion helps control the descent of the foot during the heel strike phase of walking, absorbing shock and reducing impact forces on the lower limb.

Where the egg cells are stored in a plant?

Yes; and the Ovary's of all plants produce - both only upon, and after, Fertilization - fruits that accompany and nourish their seedling-offsprings.

Yes, it is, for both animals and plants.



Are D-glucose and D- mannose enantiomers?

No.

Epimers are sugars that differ in the configuration around one carbon atom. D-Mannose and D-Galactose differ in two carbons (C-2 and C-4).

yes.

D-glucose and D-mannose are epimers (difference at C-2), D-glucose and D-galactose are epimers (difference at C-4), but D-mannose and D-galactose are not epimer(difference at C-2 and C-4).

Is gastrin an enzyme?

No, gastrin is a hormone produced by the stomach and pancreas that functions to stimulate the secretion of gastric acid by the stomach. It is not an enzyme but rather acts as a signaling molecule in the digestive system.

Which summerarizes the products of glycolysis?

The main products of glycolysis are two molecules of ATP (net energy gain), two molecules of pyruvate, and two molecules of NADH.

What greek letter represents a type of high frequency electromagnetic radiation?

The Greek letter "gamma" (γ) represents a type of high frequency electromagnetic radiation known as gamma rays. Gamma rays have the shortest wavelengths and highest frequencies in the electromagnetic spectrum.

Where are the proteins for the electron transport chain located?

The electron transport chain is located in the cristae of a mitochondria. It is the enzymes used during the Krebs cycle that are found in the matrix of the mitochondria.

In plants, the electron transport chain is located in the thylakoid membrane of a chlorophyll.

What is the deference between magnesium nitrate and magnesium sulfate in plant fertilizers?

Magnesium nitrate is a good source of magnesium and nitrogen for plants. It contains magnesium and nitrate ions which are readily available for plant uptake. Magnesium sulfate, on the other hand, provides magnesium and sulfur to plants. It contains magnesium and sulfate ions which can also be easily absorbed by plants. Both are beneficial for plant growth, but they differ in terms of the nutrients they provide.

What happens if water gets mixed with acid?

When done correctly (i.e. the acid poured into the water), the acid becomes diluted and there should be no other effects other than a slight amount of heat and possible splashing from the resulting exothermic reaction. When done stupidly (i.e. water poured into acid), the acid is rapidly partially neutralized by the water, resulting in extreme heat and definite splashing. Unless you think you would look really sweet with an acid burn, do NOT do this.

How many distinct pentapeptides can be made from the 20 amino acids?

There are 20 choices for the first amino acid, 20 for the second, and so on, resulting in 20^5 = 3,200,000 distinct pentapeptides that can be made from the 20 amino acids.

What are the four antiinsulin hormones?

The four antiinsulin hormones are cortisol, growth hormone, glucagon, and epinephrine. These hormones work to counteract the effects of insulin by increasing blood glucose levels to provide energy during times of stress or fasting.

In what bonds is the chemical energy stored in fats and in carbohydrates?

The chemical energy in fats and carbohydrates is stored in the bonds between their molecules. In fats, the energy is stored in the ester bonds of triglycerides, while in carbohydrates, it is stored in the glycosidic bonds between sugar molecules. When these bonds are broken through metabolism, energy is released for cellular processes.

How is proton gradient established?

A proton gradient is established with an electron transport chain, where energy from electrons is donated from an high-energy source (such as food) to provide intracellular enzymes the energy to pump protons across an impermeable membrane in order to form a region with a high concentration of protons.

Hope this helps! :)

What is the ultimate source of nutrition minerals?

The ultimate source of mineral nutrition is the Earth's soil and water. Plants absorb minerals from the soil through their roots, and animals obtain minerals by consuming plants or other animals. Through the food chain, minerals are transferred to humans when we eat plants or animals.

What enzyme in bile juice found?

There are no enzymes in bile to the best of my knowledge. It is primarily composed of bile acids, bile pigments, cholesterol, and phospholipids. If enzymes do exist in bile they are in minut concentrations and are unnecessary for its functioning. The primary purpose of bile is to emulsify fats. What that means is they increase the surface area of fats so that enzymes may work on them more effectively. These enzymes are secreted by the pancrease. drazx is the original author of this answer

Which enzyme should she use to join the sticky ends of the gene and the plasmid?

She should use a DNA ligase enzyme to join the sticky ends of the gene and the plasmid. DNA ligase catalyzes the formation of phosphodiester bonds between the nucleotides of the gene and the plasmid, sealing them together.

How many amino acid fragments will be produced from this polypeptide if it is incubated with a mixture of trypsin and v8 protease?

It depends on the specific cleavage sites for trypsin and V8 protease within the polypeptide sequence, as well as the length and composition of the polypeptide. Generally, these proteases cleave at specific amino acid residues, resulting in smaller peptide fragments. The number of fragments would need to be determined by analyzing the sequence of the polypeptide and the cleavage specificity of the proteases.

What are the courses related to chemistry?

Some courses related to chemistry include general chemistry, organic chemistry, physical chemistry, analytical chemistry, biochemistry, and inorganic chemistry. These courses cover various aspects of the field such as chemical reactions, molecular structures, thermodynamics, spectroscopy, and chemical bonding, among others.

Is adenine an enzyme?

No, adenine is not an enzyme. Adenine is one of the four nucleobases that make up DNA and RNA, while enzymes are proteins that catalyze biochemical reactions in living organisms.

Numerous ribosomes give it its name?

The rough endoplasmic reticulum is the organelle known for its numerous ribosomes attached to its surface, giving it a rough appearance. These ribosomes are responsible for protein synthesis within the cell.

Who used the term plasma first?

The term "plasma" was first used in the context of ionized gases by American physicist Irving Langmuir in the 1920s. Langmuir won the Nobel Prize in Chemistry in 1932 for his work on surface chemistry and plasma physics.

Which vitamin do you get from the sun?

Ultraviolet A (long wavelength) initiates production of vitamin D and melanin (tanning).

Ultraviolet B (short wavelength) damages the skin causing sunburns and in some cases cancers.