How are simple carbohydrates able to form larger macromolecules? A. Organic compounds chemically combine using carbon, hydrogen, and oxygen atoms.
B. Organic compounds chemically combine with inorganic compounds to form large macromolecules.
C. Larger macromolecules first break down into smaller macromolecules and combine during the reaction.
D. The hydrogen in the smaller macromolecules combine to form larger macromolecules.

Organic compounds chemically combine using carbon, hydrogen, and oxygen atoms.

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: