Lipoproteins are globular structures that are responsible for transporting lipids through the blood stream. Two types of lipoproteins are LDL and HDL. Classify each description as applying to LDL, HDL, or both.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate