Most biological macromolecules contains carbon, hydrogen and oxygen atoms. which of these has the carbon, hydrogen and oxygen in a 1: 2: 1 ratio? a. carbohydratesb. lipidsc. oilsd. proteins

The answer would be A. carbohydrates (carbs) because carbs are generally composed of sugars and glucose (as an example) has the ratio between carbon, hydrogen and oxygen in a 1:2:1 ratio in its form: C6H12O6

What is the difference between cytokinesis in plant and animal cells? animal cells dived by a cleavage furrow. plant cells divide by a cell plate that eventually becomes the cell wall. cytoplasm and cell membranes are necessary for cytokinesis in both plant and animals.