HESI A2 Entrance Exam Biology questions and answers 100% guaranteed success.

HESI A2 Entrance Exam Biology questions and answers 100% guaranteed success. 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. - correct answers.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. - correct answers.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. - correct answers.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. - correct answers.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. - correct answers.A)Kingdom In which phase of the cell cycle is DNA replicated? A)G1 B)S C)G2 D)D1 - correct answers.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. - correct answers.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. - correct answers.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. - correct answers.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. - correct answers.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. - correct answers.B)Gluconeogenesis. Using garden peas, which of the following scientists discovered the basic principles of genetics? A)Galileo. B)Mendel. C)Curie. D)Hawking. - correct answers.B)Mendel. The alternative versions of a single gene are known as: A)traits. B)characteristics. C)RNA. D)alleles. - correct answers.D)alleles. What device makes it possible to predict the genotype and phenotype of the offspring of sexual reproduction? A)Punnett square. B)Chi square. C)PCR. D)Microscope. - correct answers.A)Punnett square. The traits which an organism shows (as opposed to what its genes code for), is known by which of the following terms? A)Phenotype. B)Genotype. C)Stereotype. D)Classification. - correct answers.A)Phenotype An organism that has a genotype of two dominant alleles for one gene is: A)Heterozygous. B)Homozygous. C)Multiparous. D)Nulliparous - correct answers.B)Homozygous. The method by which mRNA is created is begun by which of the following processes? A)Replication. B)Translation. C)Splitting.