1. What is the role of non-coding sequences in DNA? A. To help regulate the transcription and translation of the coding regions.
B. They have no role or purpose, they are just junk DNA
C. To prevent foreign DNA from being transcribed and translated.
D. To allow cells to undo mistakes in coding during transcription.
2. You inherited your eye color from your parents. The proteins that consist of the eye pigments were coded by genes on your chromosomes. What type of sequences are these genes?
A. Exons
B. Antons
C. Plasmids
D. Introns
3. Which type of cell contains MOSTLY exons in its DNA sequence?
A. Prokaryotes
B. Both prokaryotes and eukaryotes
C. Eukaryotes
D. Neither prokaryotes nor eukaryotes
4. Which of the following is NOT a characteristic of prokaryotes?
A. Conjugation
B. Cell nucleus
C. Plasmid
D. Haploid
5. Which of the following is NOT true of the genetic relationship between humans and chimpanzees?
A. Humans and chimpanzees are both eukaryotes
B. Humans and chimpanzees have the same number of chromosomes

C. Humans and chimpanzees share about 98% of their genome

D. Humans and chimpanzees have mostly introns and other non-coding sequences in their DNA strands