HESI A2 Entrance Exam Biology Questions and Answers 2024

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. - 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. - 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. - 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. - 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. - A)Kingdom In which phase of the cell cycle is DNA replicated? A)G1 B)S C)G2 D)D1 - 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. - A)Meiosis. Which of the following is an example of a cell created by meiosis? A)Kidney cell. B)Sperm cell. C)Brain cell. D)Skin cell. - B)Sperm cell he Krebs cycle is a process described as: A)the creation of ATP and Pyruvate. B)the creation of GTP and NADH. C)the process by which plants take in carbon dioxide and produce oxygen. )a linear method of creating energy. - B)the creation of GTP and NADH. The plasma membranes of cells are composed of: A)a single layer of phospholipid molecules. B)a bilayer of phospholipid molecules. C)proteins that act as transport highways. D)mitochondria. - B)a bilayer of phospholipid molecules. Which of the following activities does NOT lead to cellular energy production? A)Glycolysis. B)Gluconeogenesis. C)Oxidative Phosphorylation. D)Cellular Respiration. - B)Gluconeogenesis.