HESI A2 Biology Entrance Exam: Questions & Answers(Updated Solution)

Which of the following is a correct description of metaphase during mitosis? A) The nuclear envelope disappears and the chromosomes begin to attach to the spindle that forms along the axis of the cell. B) Chromosomes gather on either side of the now separating cell. C)Chromosomes start to separate. D) Chromosomes align along the center of the cell. (Ans- D) Chromosomes align along the center of the cell. Where can ribosomes be found inside a cell? A) Attached to the endoplasmic reticulum and in the cytoplasm. B) Only in the cytoplasm. C) Only attached to the endoplasmic reticulum. D) None of the above. (Ans- A) Attached to the endoplasmic reticulum and in the cytoplasm. What is the role of the Golgi apparatus in the cell? A)To provide intracellular digestion. B)To provide transportation of materials throughout the cell. C)To uptake food through the cell membrane. D)To produce cellular respiration. (Ans- B)To provide transportation of materials throughout the cell. What characteristic of water allows for hydrogen bonding between molecules? A)Its high specific heat. B)Its cohesive properties. C)Its covalent bonds. D)Its polar nature. (Ans- D)Its polar nature. Which of the following is the MOST inclusive in the hierarchic system of organization? A)Kingdom. B)Class. C)Genus. D)Species. (Ans- A)Kingdom In which phase of the cell cycle is DNA replicated? A)G1 B)S C)G2 D)D1 (Ans- B)S Which of the following processes reduces cells originally classified as diploid to haploid? A)Meiosis. B)Mitosis. C)Both meiosis and mitosis. D)Neither meiosis and mitosis. (Ans- A)Meiosis. Which of the following is an example of a ce