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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 a really good description describing the function of Atp in Cells?

Adenosine tri-phosphate is the primary intra-Cellular energy transfer molecule found in Cells. Starting with Adenosine mono-phosphate (Amp) we add a [highly] negatively charged phosphate moiety to obtain Adenosine di-phosphate (Adp). It takes a huge amount of energy to add the third [highly] negatively charged phosphate group to the chain to form Adenosine tri-phosphate; and - like a popcorn kernel popping - this biochemical energy is released on demand on individual basis's throughout the Cell as needed, and when the enzymatically controlled biochemical reaction takes the energy released when Atp dissociates to Adp + p and stores it in chemical bonds elsewhere.

Repeat; this biochemically stored energy is translocated and used in all areas of the Cell.

What is the chemical symbol C15H22O11 stands for?

After Chemspider 8 compounds have this formula; it is difficult to copy here all these long names.

Is propan-2-ol is optically active?

No, propan-2-ol (isopropyl alcohol) is not optically active because it does not have a chiral center. It does not have a stereocenter because the carbon atom attached to the -OH group has two identical methyl groups attached to it.

Why 1-chlorobutane is optically not active or 2-chlorobutane is optically active?

The 2-Carbon in 2-chlorobutane has 4 different substituent groups attached to it (Cl, CH3, H, CH2CH3) and hence is a chiral Carbon. There are no Carbon atoms in 1-chlorobutane which have 4 different substituent groups attached and hence is not optically active.

Is vitamin C water or fat-soluble?

Vitamin K (phylloquinone) is a fat soluble vitamin; it is mainly stored in liver and adipose tissues. is vit K fat or water soluble
The vitamins A, K, D, and E are all fat soluble vitamins.

What is the pH value of digestive juices?

pH of the saliva enzyme is slightly alkaline, that is above the 7. pH of the digestive juice is strongly acidic. that is some where between 2 to 4. pH of the intestinal juices is again alkaline.

What feature of the monomer molecules makes them unsaturated?

Unsaturated lipids will contain a number of double bonds. If a carbon is double bonded to one hydrogen, it's valence electrons are satisfied. So instead of holding on to two hydrogens, it has just one. These double bonds cause "unsaturation".

How much oxygen does the ocean give us?

The ocean produces about 50-85% of the Earth's oxygen through phytoplankton and seaweed. While the Amazon rainforest is often praised for its oxygen production, it actually contributes a smaller amount compared to the ocean.

Why is hair not a living organism?

Hair is made up of a protein called keratin, which is produced by hair follicles in the skin. Once hair grows out of the follicle, it is essentially no longer a living part of the body. Hair does not have its own blood supply, nerves, or cells required to maintain life processes.

What is lactose plus water equal?

Lactose plus water will form a solution in which the lactose dissolves. This is a physical change and does not involve a chemical reaction between lactose and water.

What has to happen before you can run DNA through gel electrophoresis?

Before running DNA through gel electrophoresis, the DNA sample needs to be extracted and purified from the biological material, such as cells or tissues. It also needs to be digested with restriction enzymes to produce fragments of different sizes for separation on the gel. Finally, the DNA samples are mixed with loading dye and loaded into wells on the gel for electrophoresis.

How does vegetative reproduction occur in rose?

In roses, vegetative reproduction typically occurs through methods such as cutting, layering, or grafting. This process involves taking a part of the parent plant, such as a stem cutting or a bud, and encouraging it to develop roots and grow into a new plant with identical genetic characteristics to the parent plant.

What is the process of producing glucose from non-glucose sources called?

The process of producing glucose from non-glucose sources is called gluconeogenesis. It involves converting molecules like amino acids, glycerol, and lactate into glucose in the liver and kidneys to maintain blood sugar levels.

When an ion or a polar molecule such as sucrose dissolves in water they are surrounded by multiple layers of water molecules collectively called?

These layers of water molecules surrounding an ion or polar molecule are collectively called a hydration shell. The water molecules orient themselves around the ion or molecule to shield its charge or polarity, allowing it to remain dissolved in the water.

Give examples of the types of problems chemists are trying to address within each area of research?

Organic chemistry (deals with substances containing carbon), Inorganic chemistry (deals with substances not containing carbon) Biochemistry (deals with processes in organisms) Analytical (deals with the composition of substances) Physical (deals with the mechanism, rate, and energy transfer) . The demand for energy requires conservation and production, including the development of alternate energy sources. Chemists contribute to the health and well-being of humans through the development of medicines and materials for replacement body parts. Chemists help to develop more productive crops and more effective, safer ways to protect crops from pests and diseases. Chemists help to identify pollutants and prevent pollution. Chemists analyze materials from locations other than Earth directly or indirectly.

What class of organic compounds do muscles belong to?

Muscles primarily consist of proteins which are large organic compounds composed of amino acids. Additionally, muscles also contain other organic compounds such as fats and carbohydrates which serve as energy sources.

What refers to the situation in which the binding of a substrate to the enzyme causes a change in the enzymes shape facilitating an enzymes function?

This situation is known as induced fit. When a substrate binds to an enzyme, the enzyme's shape can change to better accommodate the substrate, creating a more optimal environment for the catalytic reaction to occur. This induced fit mechanism helps enzymes to be more specific and efficient in their function.

Give example of the types of problems chemists are trying to address within each area of research?

Organic chemistry (deals with substances containing carbon), Inorganic chemistry (deals with substances not containing carbon) Biochemistry (deals with processes in organisms) Analytical (deals with the composition of substances) Physical (deals with the mechanism, rate, and energy transfer) . The demand for energy requires conservation and production, including the development of alternate energy sources. Chemists contribute to the health and well-being of humans through the development of medicines and materials for replacement body parts. Chemists help to develop more productive crops and more effective, safer ways to protect crops from pests and diseases. Chemists help to identify pollutants and prevent pollution. Chemists analyze materials from locations other than Earth directly or indirectly.

Is water released when a peptide bond between two amino acids is broken?

No, a water molecule is released during condensation(dehydration) reactions. There are two opposite reactions: hydrolysis and condensation. Hydrolysis breaks apart polymers into monomers. In the process, water molecules are broken apart to "cap" the ends of the monomers. In condensation reactions, two monomers are joined and a molecule of water is formed and removed.

What does D-Glucose and L- Glucose mean?

in D-GLUCOSE 'D' does not mean dextrose (for dextro we use small 'd') it is a series of monosaccharides in which a 'OH' group attached to C-5 is shown at right side of vertical carbon chain.

Is protista and protists the same thing?

Yes, Protista is a kingdom of eukaryotic organisms, and protists are the individual organisms that belong to this kingdom. So, while Protista refers to a specific taxonomic grouping, protists are the diverse group of single-celled and multicellular organisms within that kingdom.

What is the role of a cardiac enzyme?

Cardiac enzymes are proteins released into the bloodstream when there is damage to the heart muscle. They are used to diagnose and monitor heart attacks or other heart conditions. Elevated levels of cardiac enzymes indicate heart muscle damage and help healthcare providers assess the extent of the injury.

How does anucleate red blood cell make its proteins and enzymes?

Anucleate red blood cells make their proteins and enzymes while they are still developing in the bone marrow, where they have a nucleus to carry out protein synthesis. Once they mature and lose their nucleus, they rely on the proteins and enzymes already present in their cytoplasm to carry out their functions.

The process by which two hormones exert opposite effects is known as?

The process by which two hormones exert opposite effects is known as antagonism. Antagonism occurs when one hormone inhibits the actions of another hormone by competing for the same receptors or signaling pathways within the body. This leads to a counterbalancing effect that helps maintain homeostasis.