What are some examples of internal and external signals that activate cell division?
Internal signals that activate cell division include growth factors and hormones such as insulin, while external signals include physical factors like cell-to-cell contact inhibition and chemical signals from neighboring cells indicating tissue repair or growth factors released by damaged tissue.
One technique is homology modeling, where the structure of a protein is predicted based on the sequence similarity with known structures. Another approach is ab initio modeling, which uses physics-based algorithms to predict the protein structure from scratch. Lastly, molecular dynamics simulations can refine and validate protein structures by simulating their behavior over time.
What does amino acids break down?
The newly formed (nascent) protein [amino acid] chain - as it exits the Ribosome Protein Bio-Assembly Miracle - is directed to either the exterior of the endoplasmic reticulum - also known as The Cytoplasm - or to the interior of the endoplasmic reticulum.
As it is extensively known that there are several types of {cytoplasmically periferal} ER, there are sequences of the nascent protein chain, called leader sequences, that direct the nascent proteins to their Cytoplasmic ER destination, - where either the leader sequence will be removed and the remaining protein segment activated, or a portion only of it is removed and the location process continues as above until the protein reaches it's Bio-desired active location.
When the protein reaches its destination its processing is completed and it is folded into its natural three dimensional conformation.
Further Aggregation may and often does occur.
Is the genetic code determined by the size of the nitrogen base?
No, the genetic code is determined by the sequence of nitrogen bases (adenine, thymine, cytosine, and guanine) in DNA. The order of these bases in a gene determines the specific sequence of amino acids in a protein. The size of the individual nitrogen bases does not influence the genetic code.
What links form the protein chain in protein synthesis?
Peptide bonds are formed between amino acids during protein synthesis. These bonds are created through a condensation reaction, where the carboxyl group of one amino acid reacts with the amino group of another amino acid, releasing a water molecule in the process.
What color is produced of hydrolyzed DNA in bial's test?
Hydrolyzed DNA in Bial's test produces a blue-green color due to the reaction of deoxyribose sugars with orcinol reagent and sulfuric acid. This color change indicates the presence of pentoses in the sample.
What hormone problems can occur with pituitary tumors?
A pituitary tumor is a build up fluid or tissue that attaches to the pituitary gland . I have a 2mm, it has been there a couple of years but has not grown any. Since this gland produces hormones it has to be regulated very closely and make sure the tumor is not growing. This can cause severe mood swings,erratic behavior, weight loss, and bad swelling of the breast along with leaking dicharge from the breast.There is a meication to help control this.
Amniocentesis is a prenatal procedure where a small sample of amniotic fluid is taken to test for genetic abnormalities in a fetus. It is usually done between weeks 15 and 20 of pregnancy and can help identify conditions like Down syndrome, spina bifida, and other chromosomal abnormalities.
What feeds by the secretion of extracellular enzymes on food?
Fungi and some bacteria feed by secreting extracellular enzymes onto their food source, breaking down complex molecules into simpler forms that can be absorbed for nutrition. This process is known as external digestion and allows these organisms to access nutrients from a wide range of organic materials.
Why catabolic reactions are called convergent reactions?
The various degradative pathways of catabolism are convergent. That is, many hundreds of different proteins, polysaccharides, and lipids are broken down into relatively few catabolic end products. The hundreds of anabolic pathways,however, are divergent. That is, the cell uses relatively few biosynthetic precursor molecules to synthesize a vast number of different proteins, polysaccharides, and lipids.
What hormone is primarily responsible for egg maturation and the distribution of fat in females?
Estrogen is primarily responsible for egg maturation in females. Leptin is a hormone that plays a role in the distribution of fat in females.
The heat content of the reaction in photosynthesis where a glucose molecule is formed is endothermic, meaning energy is absorbed. This is because sunlight is absorbed during the light-dependent reactions to produce ATP and NADPH, which are then used in the light-independent reactions to form glucose. Overall, photosynthesis is an energy-storing process.
Does heparin formed by mast cells?
What crops improve soil fertility?
Leguminous crops, such as peas and beans, fix Nitrogen from the air and make it available to plants. "Cover crops" - winter rye for example - planted on the land when it is fallow, and then "plowed under" later - also improve the fertility, if given a season to decompose.
All three options can speed up a chemical reaction. Applying heat provides more energy to the reactant molecules, increasing their kinetic energy and collision frequency. Increasing the concentration of reactants provides more particles to collide and react. Grinding up the substance increases the surface area, allowing more reactant molecules to come into contact and react with each other.
Magnesium chloride (MgCl2) is not an acid. It is a salt that is composed of magnesium ions (Mg2+) and chloride ions (Cl-). When dissolved in water, it dissociates into its respective ions but does not release H+ ions like an acid.
What are Cells or human Cells considered to be made of?
Cells are made of various organelles (such as the nucleus, mitochondria, and endoplasmic reticulum) surrounded by a cell membrane. The cell's cytoplasm contains water, proteins, lipids, carbohydrates, and other molecules necessary for cellular function. Additionally, cells contain genetic material in the form of DNA located in the nucleus.
What process produces new somatic Cells?
Cell division through mitosis produces new somatic cells. During mitosis, a single cell divides to produce two identical daughter cells. This process is important for growth, repair, and maintenance of the body.
Is salivary amylase water soluble?
Yes, salivary amylase is water soluble. It is an enzyme produced by the salivary glands that helps break down carbohydrates in the mouth during digestion. Its water solubility allows it to function effectively in the presence of saliva.
Why do you need to get rid f hydrogen peroxide from your bodies?
Hydrogen peroxide can be harmful in high concentrations because it can damage cells and tissues in the body. Our bodies naturally produce enzymes that break down hydrogen peroxide into water and oxygen to prevent this damage. If there is an excess of hydrogen peroxide that overwhelms these enzymes, it can lead to oxidative stress and contribute to various health issues.
"Zenamix" does not appear to be a recognized term or entity. It may be a product name, brand, or term specific to a particular industry or context. Additional information would be needed to provide a more specific answer.
If the phospholipids had only one hydrocarbon chain instead of two, the bilayer would be less stable and more permeable to molecules due to the reduced hydrophobic interactions. This would result in a less effective barrier for the cell, leading to potential issues with maintaining cellular structure and function.
Why is it necessary that RNA transcribes DNA before protein synthesis can occur?
RNA polymerase is guided to the correct place.
Why are humans carbon based life forms?
Carbon makes the kind of bonds useful for the chemistry of life, and makes four of them. So does silicon, but temperatures have to be extremely high by our standards for silicon to act like carbon.
Of course, somewhere out there could be a silicon fellow explaining that carbon works like silicon, but only works at a range of extremely low temperatures!