Acell membrane is very specific about what it allows across. how does this the cell

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

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.