Early geneticists wondered how only four nucleotides could specify the sequence of 20 amino acids in proteins. today we know that there is a genetic code in which nucleotide(s) code(s) for each amino acid.

Five students—jalen, chris, juwan, jimmy, and ray—move into a house together and discover they share the odd habit of drinking milk with ice in it every night before bed. they own several ice trays and make a pact to always refill the trays when they are emptied so that the supply of ice will never run out. but the five often do not have the time or energy to refill the trays, and after a few weeks, it becomes quite common for them to meet in the kitchen and discover that they have no ice. this would best be characterized as what type of dilemma

How can congress clarify parts of the constitution that are unclear?

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.