evolve reach HESI A2 Practice tests Biology

Which organelle is responsible for protein synthesis A) mitochondrion B) Vacuole C) cell membrane D) ribosome - Correct Answer-B Why is yeast used to make bread rise? A) it engages in photosynthesis, which produces oxygen gas B) carbon dioxide forms while yeast carries out photosynthesis C) year carries out fermentation, producing ethanol and carbon dioxide D) yeast breathes in oxygen and produces carbon dioxide through aerobic respiration - Correct Answer-C How is mitosis different from meiosis? A) mitosis is the process by which sex cells are formed B) meiosis creates cells with half the chromosome of the parent cell C) telophase does not take place in mitosis D) spermatogenesis and oogenesis occur via mitosis - Correct Answer-C Which statement is untrue? A) DNA is single stranded B) RNA contains gracious C) DNA codes for protein D) DNA cannot be altered - Correct Answer-B Imagine that two parents both carry the recessive gene for cystic fibrosis. Any homozygous recessive offspring will manifest the disease. What percentage of the offspring is predicted to be carriers but not manifest the disease? A) 0% B) 25% C) 50% D) 100% - Correct Answer-C A cell is in a solution in which the concentration of solutes is higher inside the cell than outside the cell. What would you expect to happen to the cell? A) it will swell and possibly burst B) it will shrivel and shrink C) it will maintain its current size D) it will grow a supportive cell wall - Correct Answer-A What is the purpose of phloem tissue in plant stems? A) it conducts water up through the stem B) it conducts the energy of light to leaves C) It conducts food throughout the plant D) it conducts carbon dioxide throughout the plant - Correct Answer-D