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.
The US Labor Department has calculated that food purchased at home and in restaurants is 13% of household purchases, behind 32% for housing and 18% for transportation. The average US family spent $280 per month or $3,305 per year at grocery stores in 2004.