ribosomal RNA. n. 1. (Biochemistry) biochem a type of RNA thought to be transcribed from DNA in the nucleoli of cell nuclei, subsequently forming the component of ribosomes on which the translation of messenger RNA into protein chains is accomplished.Sometimes shortened to: rRNA.. (Biochemistry) biochem a type of RNA thought to be transcribed from DNA in the nucleoli of cell nuclei, subsequently forming the component of ribosomes on which the translation of messenger RNA into protein chains is accomplished.
However, in her book Zero Debt, Lynnette Khalfani-Cox suggests that a family of four can aim to spend only $125 per week on groceries. That means aiming to spend $125 per person on food each month rather than the Canadian average of $241.owever, in her book Zero Debt, Lynnette Khalfani-Cox suggests that a family of four can aim to spend only $125 per week on groceries. That means aiming to spend $125 per person on food each month rather than the Canadian average of $241.
Tax rates and insurance costs also affect how much you can buy depending on where you live. Not everyone chooses to purchase a new car, but Americans spend an average of $5,000 per year on gas and maintenance alone, as well as an average of $250 per month for a car payment.lothing and food expenses make up another big part of spending. It costs the average American family of four $146 to $289 per week to purchase groceries. The cost of feeding your family will change depending on your individual family needs, but it also changes based on where you live.