Which of the following statements is true? question 9 options: a. a promoter is part of an intron. b. a pre-mrna molecule is longer than the gene from which the molecule was transcribed. c. introns are sequences of dna. d. any mrna molecules made from the same gene are always edited the same way.

Which term refers to the total dollar value of the goods and services produced in a country in a year?

What best explains the inability for life to exist in earth early atmosphere

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.