They can be used to contain cellular waste and to isolate materials that may be harmful to the cell.
Answer:
Option B, Beriberi
Explanation:
Thiamin is caused due to the deficiency of vitamin B-1 /thiamine whose chemical name is thiamine pyrophosphate. Thiamin is a water soluble vitamin which occurs naturally and is a very essential nutrient as it plays an important role in energy metabolism and hence regulate the growth, development, and function of cells
Thiamin is stored in liver for a short duration as its life is extremely short and thus it should be ingested regulary.
The deficiency of thiamin causes beriberi and thus food like whole grains, meat, fish breads, cereals etc. must be taken in sufficient amount regularly.
If scientists believe that the newly discovered gene has two alleles A and a and that the alleles show incomplete dominance, the best way to prove this is to look for subjects who are homozygous with respect to the different alleles. The offsprings will all have the genotype of Aa and if indeed, the alleles show incomplete the dominance, the traits of the first generation will not manifest completely but a mixture of two will.
C. Sperm is produced in a male organism by meiosis
A negative charge that exists because of a covalent bond with hydrogen.