Answer:
Niacin (Ans. A)
Explanation:
Nicotinamide adenine dinucleotide (NAD) is known as important cofactor which help in carrying electrons from one reaction to another reaction in the cellular respiration process.
Cells are able to restore performed compounds which are containing a pyrimidine base precursor vitamin for the synthesis of NAD: nicotinamide, nicotinic acid, and nicotinamide riboside.
These elements are taken up from the diet whos containing vitamin B3. Nicotinamide, and nicotinamide riboside both can be absorbed from the gut. Niacin or vitamin B3 also produced within cells with the help of cellular digestion of NAD+.
Ladybugs are among the 450,000 species of beetles. They vary with size, color, number of spots, and color of the spots. Asian beetles, which are the ladybugs with no spots, are what you are probably seeing.
The spots and the color are used as a warning for predators, such as many poisonous frogs.
Peptide bonds connect amino acids.
Please correct me if I'm wrong!!! I'd be happy to fix it!! :)
Normal cells in the body follow an orderly path of growth, division, and death. Programmed cell death is called apoptosis, and when this process breaks down, cancer begins to form.
The answer is B. By polluting near by streams with pesticides and herbicides
