Is this a picture of chromosomes before or after DNA Replication during the s phase of interphase? Explain how you know

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

Someone me with this: a mineral' is determined by its actomic structure.

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.