Dna consists of four nucleotides (a, c, g, and t) joined together in a long chain. which of the following would be the best method for randomly choosing the next nucleotide to add to an imaginary dna segment?

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil

One brief stimulus of a skeletal muscle may result in a single isolated contractile event, which is called a twitch. one twitch can generate max tension in a muscle. are these statements true or false?