Biochemistry

Organic molecules containing oxygen atoms, like alcohols and ketones, are typically polar due to the electronegativity difference between oxygen and other atoms in the molecule. This polarity allows these molecules to form hydrogen bonds with water molecules, enhancing their solubility in water.

ATP, a nucleotide, has

1.ribose sugar.

2.phosphate.

3.adenine base.

DNA is a polynucleotide and has

1. deoxyribose sugar.

2.phosphate.

3. adenine base

4.A double helix shape of many monomers- ATP is a single monomer

The four vitamins and minerals typically listed on Nutrition Facts labels are vitamin D, calcium, iron, and potassium. These are considered nutrients of public health concern by the FDA and are mandatory to include on the label.

Most gram positive bacteria cannot grow on MacConkey Agar because the agar contains crystal violet and bile salts that inhibit the growth of gram positive organisms. Additionally, the agar is designed to selectively isolate and differentiate gram negative bacteria based on their ability to ferment lactose, producing pink colonies.

Glycine is a non-essential amino acid that can be synthesized in the body from serine. It is commonly used as a dietary supplement to improve sleep quality, mental performance, and muscle recovery. Additionally, glycine is used in the food industry as a sweetener and flavor enhancer.

The two bases that are present in equal amounts in a double stranded DNA molecule are cytosine and guanine. Cytosine pairs with guanine in A DNA molecule.

Phospholipids are a class of lipids, and a major component of all biological membranes, along with glycolipids, cholesterol and proteins. Phospholipids consist of a glycerol molecule chemically bonded to 2 long fatty acid chains and a phosphoester through a process called condensation. Phospholipids are amphipatic (has a hydrophillic region and a hydrophobic region) due to the hydrophillic phosphoester and the hydrophobic fatty acid chains.

Triglycerides are the chemical form in which most fat exists in food as well as in the body. They're also present in blood plasma. These consist of a glycerol molecule chemically bonded to 3 long fatty acid chains via a process called condensation. Triglycerides are hydrophobic as the long fatty acid chains are hydrophobic as they are far too long to react with water.

The pitch of a helix is defined as the distance along the helical axis that results in one full turn of the helix. In the case of amino acid helices, this value is an average value of about 5.5 Angstroms.

A-DNA B-DNA Z-DNA Right-handed helix Right-handed Left-handed Short and broad Long and thin Longer and thinner Helix Diameter 25.5A 23.7A 18.4A Rise / base-pair 2.3A 3.4A 3.8A Base-pair / helical turn ~ 11 ~ 10 ~ 12 Helix pitch 25A 34A 47A Tilt of the bases 20 deg -1 deg -9 deg Also see http://tigger.uic.edu/classes/phys/phys461/phys450/ANJUM04/

The E2A gene encodes two alternatively spliced products, E12 and E47. The two proteins differ in their basic helix-loop-helix motifs (bHLH), responsible for DNA binding and dimerization. Although both E12 and E47 can bind to DNA as heterodimers with tissue-specific bHLH proteins, E12 binds to DNA poorly as homodimers. An inhibitory domain in E12 has previously been found to prevent E12 homodimers from binding to DNA. By measuring the dissociation rates using filter binding and electrophoretic mobility shift assays, we have shown here that the inhibitory domain interferes with DNA binding by destabilizing the DNA-protein complexes. Furthermore, we have demonstrated that substitution of basic amino acids (not other amino acids) in the DNA-binding domain of E12 can increase the intrinsic DNA-binding activity of E12 and stabilize the binding complexes, thus alleviating the repression from the inhibitory domain. *This ability of basic amino acids to stabilize DNA-binding complexes may be of biological significance in the case of myogenic bHLH proteins, which all possess two more basic amino acids in their DNA binding domain than E12.* To function as heterodimers with E12, the myogenic bHLH proteins may need stronger DNA binding domains. http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=145871 Helix-capping interactions were found to contribute to helix stability, even when the substitution site was not at the end of the peptide- the H-bonds. BETA TURN. Many antiparallel beta sheets are formed by a single peptide chain continually looping back on itself. The loop between the two hydrogen-bonded segments, known as a beta turn, consistently contains one to three (usually two) amino acids. The amino acids in a beta turn do not form hydrogen bonds, but other interactions may stabilize their positions. A further consistency is that, from a perspective where the side chain of the final hydrogen-bonded amino acid projects outward toward the viewer, the turn is always to the right. http://science.jrank.org/pages/5539/Proteins.html -that is a good website

Water and hydrophilic molecules share the property of being polar, meaning they have regions of positive and negative charge that allow them to interact and dissolve in water. Additionally, they are both capable of forming hydrogen bonds with water molecules, enhancing their solubility in water.

Temperature can directly affect enzyme activity. Increases in temperature can cause the enzymes to operate at a quicker pace and cause the enzymatic reaction to move along faster, while decreases in temperatures can cause the enzymes to become sluggish and the reaction to slow down. If temperatures are too high, then the enzymes can fall apart, or denature due to the extreme heat, and if temperatures are too low, then the enzymes can slow down to a complete halt in some cases. Either way, the enzymatic reaction will stop. Most enzymes have an optimal temperature under which they can work the most efficiently and effectively.

Cells in the human body can freeze if they are subjected to cold for a long enough period. Frostbite is, and has been, a known threat to individuals who are out in the cold without protective clothing.

The order of bases in DNA determines the order of amino acids in the final protein through the process of transcription and translation. During transcription, DNA is used as a template to synthesize mRNA, which carries the code for the amino acid sequence. Then, during translation, the ribosome reads the mRNA sequence in groups of three nucleotides called codons and matches each codon to the corresponding amino acid, ultimately determining the order in which the amino acids are assembled into a protein.

There are hundreds of activating enzymes in the human body that play a vital role in various cellular processes. These enzymes help to catalyze chemical reactions that are essential for functions such as metabolism, DNA replication, and cell signaling. Each activating enzyme is specific to its substrate and carries out a particular biological function.

I wonder that bird's wings need carbohydrates to move up and down. The wings of birds are constituted of muscles and those muscles need proteins and carbohydrates to function, and I am referring to the flying birds, not to the land-based birds, although their wings need carbohydrates and proteins as well.

A gene is a segment of DNA sequence which can fold in any orientation and hence will code for a particular protein.

DNA molecule is a double helix structure formed by complementary base pairing of nucleotides.

Proteins are formed by particular t-RNA and are synthesized in ribosomes. Proteins are required for various metabolic activities occurring in the body.

A simpler way to say the same thing is:

A gene is a section of a DNA molecule that contains the information to code for one specific protein.

The four nitrogen bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G). They pair up in a specific way—A with T and C with G—to form the base pairs that make up the double helix structure of DNA.

No, Sodium Hydroxide or NaOH is a highly corrosive substance and when it comes in contact with skin it causes severe burns. Putting it on sunburn will do nothing but make it worse.

(To see what happens when NaOH spills on skin see the related link)

The stomach contains enzymes that break down protein.

Fructose, lactose, and sucrose are all types of sugars. Fructose is a simple sugar found in fruits and honey. Lactose is a sugar found in milk and dairy products. Sucrose, also known as table sugar, is a combination of glucose and fructose found in sugarcane, sugar beets, and many fruits and vegetables.

Well, Take fire, Put the potato in it and leave it for 2min after that get the the heat %'s... After it cools down see how fast till it totally calms down... Needed stopwatch and temperature meter, fire and fork...