Sample Midterm Bio
Subject:
Biology [1]
1) S phase in the cell cycle is a. after G2 b. when DNA synthesis occurs c. directly before interphase d. when the cell divides e. characterized by growth of the cell 2) The microtubules play an important role in mitosis. Choose the correct process that they are involved in: a. formation of cleavage furrow b. disassembly of the nuclear membrane c. formation of the sister chromatids d. separation of sister chromatids e. pairing of sister chromatids 3) A mule is the offspring of a male donkey (donkey somatic cells contain 62 chromosomes) and a female horse (horse somatic cells contain 64 chromosomes) and is sterile. Which of the following is FALSE? a. The horse egg had 32 chromosomes b. The donkey sperm had 31 chromosomes c. Mule zygote has 63 chromosomes