Which statements describe the structure of each type of macromolecule? Check all that apply. The building blocks of carbohydrates are sugars that are made of carbon, hydrogen, and oxygen.

The building blocks of lipids are molecules that contain mostly carbon and hydrogen.

The building blocks of proteins are amino acids made of carbon and nitrogen only.

The building blocks of nucleic acids are nucleotides made of carbon, hydrogen, oxygen, nitrogen, and phosphorous.

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:

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///

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answerthe above statement is (false);