A primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records. A primary key's main features are: It must contain a unique value for each row of data. It cannot contain null values.
Mark may be getting lower amounts of nutrients and vitamins, namely omega-3s and omega-6s. This would directly affect the brain and normal body functions because the body needs vitamins/nutrients to thrive. This could affect the chemical balance in his brain, resulting in depression/schizophrenia/other issues, including eating disorders. Cutting down on fats might also result in overeating carbs and protein, which leads to an overbalance of nutrients -- and a host of other health issues.Not getting enough fat could also affect bone growth.
Hope this helps:D
Have a great rest of a brainly day!
Answer:
Specialization can be described as a process by which each cell of the body tends to specialize and perform a certain important function for the body.
Although, cells of the body might have a different structure and function, yet they all carry the same chromosomes and the same DNA. However, the expression of genes is what controls the functioning of each cell. The genes which might be expressed in one cell might be repressed in the other type of cell. Hence, this is the differentiation process which allows each cell to perform a unique function.
Answer:
protons and neutrons
Explanation:
they have nearly same mass of about 1.67×10^-24 grams..
ans...
DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).
Nucleotides are the building blocks of nucleic acids; they are composed of three subunit molecules: a nitrogenous base, a five-carbon sugar (ribose or deoxyribose), and at least one phosphate group.
