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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 carbon cool?

Carbon is cool because it has unique bonding properties that allow it to form a wide variety of compounds, including essential molecules for life like proteins and DNA. It is also a key component in many materials, such as diamonds and graphene, that have extraordinary physical properties. Furthermore, carbon is abundant in nature and plays a crucial role in the carbon cycle, regulating Earth's climate and supporting ecosystems.

What is the purpose of hydrolysis test?

The purpose of a hydrolysis test is to determine an organism's ability to break down certain compounds such as starch or gelatin using specific enzymes. This test is commonly used in microbiology to differentiate between different species of bacteria based on their enzymatic capabilities.

What molecule stores energy and forms cell membrane and acts as hormones and insulates?

The molecule that fits this description is lipid. Lipids store energy, form cell membranes as phospholipids, act as hormones like steroid hormones, and provide insulation through substances like adipose tissue.

Do you think that PH affects enzymes work and explain your answer?

yes I do,you see the enzymes are proteins that are easily denatured and the structure of an enzyme is necessary for it's work(lock and key hypothesis)so changes in pH would change it's structure causing malfunction.that why the liver and other parts of homeostasis work to maintain pH of body fluids

How is cellular respiration different from anaerobic?

Cellular respiration is the process by which cells break down glucose with the use of oxygen to produce energy in the form of ATP. Anaerobic respiration, on the other hand, does not require oxygen and produces energy through the breakdown of glucose without the use of oxygen, resulting in the production of lactic acid or ethanol as byproducts.

What about oxygen makes you age?

reactive oxygen species(ROS) comprising of superoxide radicals,hydroxyl free radicals and singlet oxygen arise as byproducts of oxidation.these are highly toxic to the body tissues and are one of the proposed causative agents of ageing

.The removal of electrons by oxygen is the oxidation process.. it increases the age of cell that leads to aging process. actually the oxygen does not completely remove the electrons but it produces the oxidants in cells while the process of Electron Transport Chain Process. this is nothing but simply cell respiration. during this time the oxygen produces the unpaired electrons( Oxidants) which are more active, instable and very quicky bind with other molecules. when the time of respiration these oxidants released and reacted with the protein molecules in the cell and thus collapse the Protein"s structure or denature it. Due to this the cell integerity was collapsed and get die. this increases the aging process. this oxidants also a major cause for cancer. because it collapse the normal cell mechanism and function. the abnormal cells can be produced because of this.

Anti oxidants will prevent this process or slowing process. Vit C, Green vegetables and fruits are rich in anti oxidants which helps to prevent aging and cancer.

What is protein marker and what is its use in electrophoresis?

A protein marker is a mixture of proteins of known sizes that is run alongside unknown samples in electrophoresis. It is used as a reference to help estimate the size of the unknown proteins based on their migration pattern in the gel. This allows researchers to determine the size of proteins in their samples and compare them to standards.

Does the Krebs cycle occur if glycolysis occurs?

Yes, the Krebs cycle occurs after glycolysis as part of cellular respiration. Glycolysis breaks down glucose into pyruvate, which then enters the mitochondria to be further broken down in the Krebs cycle to produce ATP and other molecules for energy production.

What happens for Dna to become more visible in the Cell?

During cell division, the DNA condenses into tightly coiled structures called chromosomes, which become more visible under a microscope. This condensation helps ensure that each daughter cell receives a full set of genetic material during cell division. Additionally, histone proteins play a role in packaging and organizing DNA, further contributing to its visibility within the cell.

Where does fructose and via facilitated diffuse to?

Fructose and via facilitate diffusion to be transported into the cell via GLUT5 transporters. These transporters are responsible for allowing fructose and via to cross the cell membrane and enter the cell for metabolism and energy production.

What is the nitrogenous base that takes the place of thymine?

Uracil takes the place of thymine in RNA. It pairs with adenine during transcription and translation processes.

What are spurce?

A spruceis a tree of the genus Picea(a genus of about 35 species of conferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal(taiga)regions of the earth

Who discovered the protoplasm?

The term "protoplasm" was coined by Czech physiologist Jan Evangelista Purkyně in 1839, but the concept of protoplasm as the living substance within cells was a collective discovery made by several scientists in the early 19th century, including Matthias Schleiden and Theodor Schwann. They observed that cells were composed of this material that exhibited properties of life.

What do you look up in the index of the CPT manual to locate the various enzyme immunoassay's?

To locate enzyme immunoassays in the CPT manual, you would search for "enzyme immunoassay" or the specific codes associated with the type of test you are looking for in the index. You can also check under the section related to laboratory tests or immunoassays for additional information.

What are chemical reactions that release energy in the abscence of oxygen called?

Anaerobic reactions, like fermentation or anaerobic respiration, occur in the absence of oxygen and release energy by breaking down glucose or other molecules into simpler compounds. These reactions are important for organisms that live in environments with low oxygen levels.

What the zygote is?

A zygote is single cell which is formed immediately after fertilization . IT then converts to morula followed by blastula (ZYGOTE DIVIDED INTO 16-32 cells) WHICH GETS IMPLANTED IN THE UTERINE WALL . IT THEN DIVIDES TO FORM EMBRYO WHICH AFTER 9 MONTHS IS RECOVERED FROM THE MOTHER

Why are vitamins important to enzymes and what is this relationship called?

First, not every Enzyme needs vitmains for function but a lot. Vitamins serve as special components in an enzyme or a protein and fullfill functions that cannot be done by simple polypeptides.

What happens to bacteria over time when exposed to antibiotics frequently?

Bacteria can develop resistance to antibiotics through genetic mutations or by acquiring resistance genes from other bacteria. Over time, the resistant bacteria population can grow, making the antibiotics less effective in treating infections caused by those bacteria. This can lead to treatment failure and the need for more powerful antibiotics.

How can 4 nitrogen bases code for thousands of proteins?

The genetic code is degenerate, meaning that multiple codons (sequences of 3 nitrogen bases) can code for the same amino acid. This redundancy allows for 4 nitrogen bases to encode for 20 different amino acids. By combining these amino acids in various sequences, thousands of different proteins can be synthesized.

What are the 3 elements that are mainly found in macromolecules?

The three main elements found in macromolecules are carbon, hydrogen, and oxygen. These elements are essential for building the complex structures of biological macromolecules like proteins, carbohydrates, and lipids. Additional elements like nitrogen, sulfur, and phosphorus can also be present in certain macromolecules.

What are the correct pairings of nucleotides in RNA?

The correct pairings of nucleotides in RNA are adenine (A) with uracil (U), and guanine (G) with cytosine (C).

Do lysosomes participate in autophagy?

Yes, lysosomes play a crucial role in autophagy. They fuse with autophagosomes, which are vesicles that contain cellular debris or organelles targeted for degradation. Once fused, lysosomal enzymes break down the contents of the autophagosome, recycling essential molecules for the cell.

Cells with a nucleus and organelles found in plants and animals?

Eukaryotic cells are cells with a nucleus and organelles, which are found in both plants and animals. Some common organelles in eukaryotic cells include the mitochondria, endoplasmic reticulum, and Golgi apparatus. These organelles support various functions such as energy production, protein synthesis, and cellular transport.

What are the different levels of protein structure and explain why tertiary structure must be maintained for protein function?

Primary = The polypeptide chain.

Secondary = Hydrogen bonding of the bases form alpha helix and beta sheets.

Tertiary = The R groups bond with each other ( hydrophobic, hydrophyllic, salt bridges, hydrogen bonding ) and the final form of the protein is this construction, so this form must be maintained so that the protein maintains function.

Quaternary = The building of structure from more than two protein ( tertiary ) subunits. Hemoglobin, for example.