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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

Why is a very small trace of blood enough for DNA fingerprinting?

A very small amount of DNA (eg. from blood) is enough for DNA fingerprinting because of the use of amplification techniques.

Polymerase Chain Reaction (PCR) is an amplification technique that is commonly used for this purpose. It can begin with a very small amount of DNA and make copies of this - resulting in enough DNA to run multiple tests.

What products are released when hydrocarbons are burnt in plenty of air?

When hydrocarbons are burnt in plenty of air, the main products released are carbon dioxide (CO2) and water (H2O). Additionally, small amounts of carbon monoxide (CO) and nitrogen oxides (NOx) may also be produced.

What is a medicine that starts with b?

One example of a medicine that starts with "B" is ibuprofen, which is a common over-the-counter pain reliever and anti-inflammatory drug.

What about the rung parts of the ladder-like DNA molecule?

The rungs of the ladder in a DNA molecule are made up of nitrogenous bases (adenine, thymine, guanine, and cytosine) that pair up with each other through hydrogen bonds. This base pairing forms the genetic code that carries the instructions for an organism's development and functioning. The sequence of these bases determines the genetic information stored in the DNA molecule.

What is a protein building block other then amino acids?

Peptides are the building blocks of proteins, consisting of short chains of amino acids linked together by peptide bonds. They can be made up of just a few amino acids or up to 50 amino acids. Peptides play important roles in various biological processes and can also have specific functions in the body.

Why is saliva an enzyme?

Saliva contains enzymes like amylase that help break down carbohydrates in food into simpler sugars that can be absorbed by the body. This process begins the digestion of carbohydrates in the mouth before they reach the stomach for further processing.

How are biochemistry and metabolism related?

Biochemistry is the study of chemical processes within and relating to living organisms, including metabolism. Metabolism is the sum of all chemical reactions that occur within an organism to sustain life. Biochemistry delves into the molecular mechanisms of metabolism, providing insights into the breakdown and synthesis of molecules to generate energy and maintain cellular function.

What gland secretes a hormone that is vital in maintaining proper blood sugar levels?

The pancreas secretes the hormone insulin, which helps regulate blood sugar levels by facilitating the uptake of glucose from the blood into cells for energy production or storage. Insufficient insulin production can result in high blood sugar levels, leading to conditions like diabetes.

What provide energy for RNA polymerase?

How energy for movement RNA polymerase on DNA provide

Do the rna nucleotides pair exactly as they were DNA replication?

No, RNA nucleotides in transcription pair with complementary DNA nucleotides according to the base pairing rules (A-U, G-C), as opposed to replicating DNA in which DNA nucleotides pair with complementary DNA nucleotides (A-T, G-C).

Why anthranilic acid is not a amino acid?

Anthranilic acid is not an amino acid because it lacks an amino group (-NH2) within its molecular structure, which is a defining feature of amino acids. Despite its name containing "acid," anthranilic acid is actually a precursor to various amino acids but is not classified as an amino acid itself.

Why does the human liver and heart have the same number of dna bases?

The human liver and heart have the same number of DNA bases because all cells in the human body contain the same set of genetic information in the form of DNA. This DNA provides instructions for the development and function of different cell types, leading to the formation of specialized tissues like the liver and heart. This shared genetic blueprint ensures that each cell can perform its specific functions while also contributing to the overall functioning of the body.

How do you make a 10 codon sequence for a polypeptide?

To create a 10 codon sequence for a polypeptide, you would need to transcribe a DNA sequence into an mRNA sequence. Each codon consists of three nucleotides. Look for the start codon (AUG) to begin the sequence and then continue adding codons until you have 10 in total.

What is melanin synthesis?

Melanin synthesis is the process by which cells in the skin produce melanin, a pigment responsible for the color of skin, hair, and eyes. This process is influenced by genetics, exposure to sunlight, and hormonal factors. Melanin plays a key role in protecting the skin from the harmful effects of UV radiation.

What do you call the organelle that breaks down lipids carbs and proteins into small molecules that can be used by the rest of the cell?

The organelle that breaks down lipids, carbs, and proteins into small molecules for use by the cell is called the lysosome. Lysosomes contain enzymes that aid in the digestion of these macromolecules, releasing nutrients that can be utilized by the cell.

Does Karo syrup contain fructose?

From the Karo syrup web site, we see it is possible that the syrup may contain fructose, possibly a large proportion... What is corn syrup? Corn syrup is a mildly sweet, concentrated solution of dextrose and other sugars derived from corn starch. It is naturally sweet. Corn syrup contains between 15% to 20% dextrose (glucose) and a mixture of various other types of sugar.

How much nucleotides for 150 polypeptide?

To calculate the number of nucleotides required to code for a specific polypeptide, you need to know the number of amino acids in the polypeptide. Since each amino acid is coded by a codon made up of three nucleotides, you would need 3 times the number of amino acids to determine the total number of nucleotides required. For a 150 amino acid polypeptide, the number of nucleotides would be 150 (amino acids) * 3 (nucleotides per amino acid) = 450 nucleotides.

Who named synapse?

The term "synapse" was coined by the English physiologist Charles Scott Sherrington in 1897 to describe the junction between two neurons where electrical or chemical signals are transmitted.

Which type of bond joins amino acids in a peptide?

Amino acids are joined by peptide bonds. A peptide bond is a covalent bond that forms between two amino acids when the carboxyl group (COOH) of one amino acid reacts with the amino group (NH2) of the other amino acid, resulting in a C-N bond, which is a peptide bond.

Click on the related link below to see an image of a peptide bond.

What are the differences between sugars and bases of nucleotide of DNA and RNA?

Sugars in DNA are deoxyribose, while in RNA they are ribose. Bases in DNA are adenine, thymine, cytosine, and guanine, while in RNA thymine is replaced by uracil. DNA is double-stranded and RNA is typically single-stranded.

What is dilepathy?

Dilepathy is not a recognized term in psychology or any other field. It may be a misspelling or a combination of two words. Can you provide more context or clarify the term so I can give you a better answer?

Which diseases result from inherited changes in DNA sequence?

Some diseases that result from inherited changes in DNA sequence include cystic fibrosis, sickle cell anemia, Huntington's disease, and Duchenne muscular dystrophy. These diseases are caused by mutations in specific genes that can be passed from parents to their offspring.

What new substance is formed when milk is added to vinegar?

When milk is added to vinegar, it forms curds and whey. The acid in vinegar causes the protein in the milk, called casein, to coagulate and separate from the liquid whey component. This process is commonly used to make homemade cheese or paneer.

Deficiency of which vitamin causes mouth ulcers?

Look up "angular chelitis".... This is one of the many things that happened to my Dad in the sub-acute care facility he was in before his recent passing. It lasted a little more than a week and his lips were very chapped and sore.

Here's an excerpt:

Although the disease has an unknown etiology, the sores of angular cheilitis may become infected by the fungus Candida albicans (thrush), or other pathogens. Studies have linked the initial onset with nutritional deficiencies, namely riboflavin (vitamin B2)[2] [3]and iron deficiency anemia,[3] which in turn may be evidence of poor diets or malnutrition (e.g. celiac disease). Zinc deficiency has also been associated with angular cheilitis.

What can be found on the side parts of the ladder-like DNA molecule?

On the side parts of the ladder-like DNA molecule, you will find the sugar-phosphate backbone, which provides structural support to the molecule. The sugar-phosphate backbone serves as the outer framework that holds the nitrogenous bases together in the DNA double helix.