What is a binomial nomenclature?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Were you able to observe the nucleolus in any of the cells if so which ones