An example is vitamin B1. Coal tar is a widely used foundational substance for this vitamin — typically a crystalline yellow coal tar (yes, this means it’s from coal, a fossil fuel). Hydrochloric acid is often added to allow precipitation. Then fermentation, heating, cooling, and other s...
Vitamin K2 is only found inanimal-sourced foods and certain fermented dishes. Small amounts are also produced by your gut bacteria ( 8 ). Natto, a Japanese dish made from fermented soybeans, is one of the best sources of vitamin K2. Other good sources include meat, liver and cheese ( 9...
Where does the NAD+ come from that is needed as substrate in glycolysis? (a) Only by import of niacin, a vitamin. (b) Only by fermentation in the cytosol. (c) Only by respiration (oxidation) of NADH in mitochondria. (d) By oxidation of NADH in the cyt ...
The B vitamins, specially vitamin B12, thiamine, and biotin, seem to be the most generally required. Some species may be unable to thrive until a particular vitamin, or group of vitamins, is present in the water. These vitamins are produced only by another species; hence, a succession of ...
Vitamin A is a class of nutritional compounds including retinol, retinal, retinoic acids, and numerous provitamin A carotenoids like beta-carotene. They are important in many functions around the body from gene transcription for lipid metabolism to vision....
The workhorse vitamin B-6 helps create red blood cells and supports hormone stability, immune system function, and skin health. High in healthy, unsaturated fats, sunflower seeds are a tasty way to help lower inflammation and promote heart health. WHERE IS IT GROWN? Ukraine is the world’s ...
Which vitamin has isoprene? Examples of isoprenoids include carotene, phytol,retinol (vitamin A), tocopherol (vitamin E), dolichols, and squalene. Heme A has an isoprenoid tail, and lanosterol, the sterol precursor in animals, is derived from squalene and hence from isoprene. ...
【1】Medicine shall not be kept where it is ___ (可接触的)to children. 【2】We have to make sure that our food is ___ (充裕地) supplied when in winter. 【3】All these plans shall be carried out upon the ___ (批准) of the board of directors. 【4】Nowadays an increasing numbe...
(b) How do we keep this amazing organ healthy and functioning as we need it? What are the three functions of the bile salts? What is the primary function of the small intestine? a. Waste secretion b. Absorption of water c. Absorption of nutrients d. Mineral secretion e. ...
What is the function of platelets? Explain the structure of platelets. What is the main function of platelets? Where do endogenous antigens come from? Where are the coagulation factors produced? What is the vitamin we need for coagulation? What circumstances lead to too much blood clotting or ...