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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 the cofactor found on yeast?
The cofactor found in yeast is NAD+ (nicotinamide adenine dinucleotide). NAD+ plays a crucial role in cellular metabolism by accepting electrons during oxidation reactions and transferring them to other molecules. It is essential for energy production and various metabolic processes in yeast cells.
What kind of molecule when glucose and fructose are combined?
Glucose and fructose combine to form sucrose, which is a disaccharide composed of one glucose molecule and one fructose molecule joined together by a glycosidic bond.
What is the name of the reactant that bind to an enzyme's active site?
The reactant that binds to an enzyme's active site is called a substrate.
How much protein fetal bovine serum contains?
That is a tough question to answer as the amount of protein in FBS varies from lot to lot. The last lot of fetal bovine serum I bought was from Biosera U.S. and it had 35.4 g/100ml.
Why lipids are called pseudomacromolecules?
Lipids are called pseudomacromolecules because they are composed of smaller building blocks like fatty acids or glycerol, but they can form large, complex structures similar to macromolecules. While they do not exhibit the same level of structural complexity as true macromolecules like proteins or nucleic acids, lipids can still play important roles in cell structure and function.
How much 50cent sold vitamin water for?
50 Cent sold his stake in Vitamin Water for a reported $100 million in 2007.
Where you can download the biology animations?
You can download biology animations from online platforms such as BioDigital or Biology Animation Library. These websites offer a variety of interactive animations for educational purposes. Additionally, many educational institutions and publishers also provide downloadable animations as part of their learning resources.
Autotrophs do not depend on obtaining preformed organic molecules from the environment for nutrition. They are capable of producing their own food through processes like photosynthesis or chemosynthesis. Examples include plants, algae, and some bacteria.
What is michelis menten curve how it is useful in the study of enzyme kinetics?
The Michaelis-Menten curve is a graphical representation of the relationship between the substrate concentration and the initial reaction rate of an enzyme-catalyzed reaction. It helps to determine important kinetic parameters such as the Michaelis constant (Km) and the maximum reaction velocity (Vmax), which are crucial for understanding enzyme-substrate interactions and enzyme efficiency. This curve is instrumental in studying enzyme kinetics and predicting how changes in substrate concentration affect the enzyme's activity.
Which hormone is responsible for decreased urination?
Antidiuretic hormone (ADH), also known as vasopressin, is responsible for decreasing urination by increasing the reabsorption of water in the kidneys, leading to concentrated urine and reduced urine volume.
Where D-loop replication is done?
D-loop replication occurs during the process of DNA repair in the mitochondria. This type of replication involves the formation of a displacement loop (D-loop) structure, which allows for the repair of damaged mitochondrial DNA by DNA polymerases.
What is the shape of galactosazone crystels?
- it is fluffy ball shaped
- Even lactosazone is fluffy ball shaped
Thymol is one of the main ingredients in oil of thyme. It has powerful antiseptic and antifungal properties and is sometimes used in mouthwashes and toothpaste both for that reason and because it has a pleasant smell. Chemically it's 2-isopropyl-5-methylphenol.
Which is NOT a common monosaccharide found in the diet?
galactose rarely occurs as a monosaccharide in food.It is usually bonded to glucose in thr form of lactose, the primary sugar in milk and dairy products
What is the structure of ethyl alcohol?
Ethyl alcohol, also known as ethanol, has a simple structure with a carbon chain of two carbons (ethyl group) bonded to a hydroxyl group (OH). It is a colorless liquid with a molecular formula of C2H5OH.
What are the function of alkaloids?
Alkaloids are nitrogen-based organic compounds that are commonly made from plants, which are nitrogen based. Demethyltryptamine (DMT) is a good example of an alkaloid made by plants, and is the only alkaloid naturally made by the human body. DMT has highly psychedelic properties, allowing us to dream at night and is ultimately responsible for the near-death experiences that people feel when they come close to dying.
We are carbon-based lifeforms, so when nitrogen-based compounds are introduced into our bodies, they heighten the perception of our senses and can be overwhelming depending on the alkaloid.
Some alkaloids are totally toxic and deadly, like nicotine. 50mg and you're dead.
Other alkaloids take you into la-la land, such as tryptamine.
Other alkaloids make you feel invisible and comfy, like cocaine.
Other alkaloids are so toxic that one molecule will kill you.
Many of the alkaloids that don't kill you instantly are converted by manufacturers into salts, such as hydrochlorides, after they are extracted.
Vitamin B itself is not an antioxidant, but some B vitamins like vitamin B2 (riboflavin) and vitamin B3 (niacin) have antioxidant properties by helping to combat oxidative stress in the body.
Does your hair fall out from lack of vitamin D?
A number of things can cause excessive hair loss. For example, about 3 or 4 months after an illness or a major surgery, you may suddenly lose a large amount of hair. This hair loss is related to the stress of the illness and is temporary.
Hormonal problems may cause hair loss. If your thyroid gland is overactive or underactive, your hair may fall out. This hair loss usually can be helped by treatment thyroid disease. Hair loss may occur if male or female hormones, known as androgens and estrogens, are out of balance. Correcting the hormone imbalance may stop your hair loss.
Many women notice hair loss about 3 months after they've had a baby. This loss is also related to hormones. During pregnancy, high levels of certain hormones cause the body to keep hair that would normally fall out. When the hormones return to pre-pregnancy levels, that hair falls out and the normal cycle of growth and loss starts again.
Some medicines can cause hair loss. This type of hair loss improves when you stop taking the medicine. Medicines that can cause hair loss include blood thinners (also called anticoagulants), medicines used for gout, high blood pressure or heart problems, vitamin A (if too much is taken), birth control pills and antidepressants.
Certain infections can cause hair loss. Fungal infections of the scalp can cause hair loss in children. The infection is easily treated with antifungal medicines.
Finally, hair loss may occur as part of an underlying disease, such as lupus or diabetes. Since hair loss may be an early sign of a disease, it is important to find the cause so that it can be treated.
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Why must urine be centrifuge for microscopic?
Urine must be centrifuged before microscopic examination to separate any cells, bacteria, and other solid components from the liquid portion, or supernatant. This allows for a clearer view of the cells and other elements present in the urine sample under a microscope, making it easier to detect abnormalities or infections.
Is operon the sequence of bases on a gene that does not code for protein?
operon is a group of genes regulated by a single promoter and operator. . . generally all the genes (structural genes of a particular operon) regulate a specific metabolic pathway. . (eg : lac operon in bacteria; where 3 genes are regulated by a single promoter sequece which help in the catabolism of lactose). . . if you have any doubts mail me at vegi.chaitanya@gmial.com
Is vitamin d 25-hydroxy payable by medicare?
Yes, for any of these diagnoses:
042 Human immunodeficiency virus (HIV) disease
252.00 Hyperparathyroidism, unspecified
252.01 Primary hyperparathyroidism
252.02 Secondary hyperparathyroidism, non-renal
252.08 Other hyperparathyroidism
252.1 Hypoparathyroidism
263.0 Malnutrition of moderate degree
268.0 Rickets active
268.2 Osteomalacia unspecified
268.9 Unspecified vitamin D deficiency
275.3 Disorders of phosphorus metabolism
275.41 Hypocalcemia
275.42 Hypercalcemia
277.00 Cystic fibrosis without meconium ileus
277.01 Cystic fibrosis with meconium ileus
277.02 Cystic fibrosis with pulmonary manifestations
277.03 Cystic fibrosis with gastrointestinal manifestations
277.09 Cystic fibrosis with other manifestations
345.00 - 345.91 Generalized nonconvulsive epilepsy without intractable epilepsy - Epilepsy unspecified with intractable epilepsy
555.0 - 558.9 Regional enteritis of small intestine - Other and unspecified noninfectious gastroenteritis and colitis
579.0 - 579.9 Celiac disease - Unspecified intestional malabsorption
585.3 Chronic kidney disease, stage III (moderate)
585.4 Chronic kidney disease, stage IV (severe)
585.5 Chronic kidney disease, stage V
585.6 End stage renal disease
588.81 Secondary hyperparathyoidism (of renal organ)
733.00 Osteoporosis unspecified
733.01 Senile osteoporosis
733.02 Idiopathic osteoporosis
733.03 Disuse osteoporosis
733.09 Other osteoporosis
733.90 Disorder of bone and cartilage unspecified
V45.86 Bariatric surgery status
V58.65 Long-term (current) use of steroids
Role of ethidiumbromide in gel electrophoresis?
Ethidium bromide is commonly used in gel electrophoresis to visualize DNA under UV light. It intercalates between DNA base pairs, causing the DNA to fluoresce when exposed to UV light. This allows researchers to see and analyze DNA bands in the gel.
Does blue colour release calming hormones to the brain?
There is some evidence to suggest that certain shades of blue can have a calming effect on the brain by lowering heart rate and blood pressure. However, the impact may vary depending on individual preferences and cultural associations with the color blue. It is important to note that the effects of color on emotions are complex and can be influenced by a variety of factors.
