HESI BIOLOGY LATEST FINAL EXAM UPDATED FOR 2025 GRADED A+ 100% CERTIFIED, ELABORATED & VERIFIED SOLUTIONS TOP SCORE, EXAMS OF BIOLOGY Nucleus A part of the cell containing dna and rna and responsible for growth and reproduction Ribosomes Non membrane bounded organelles responsible for protein synthesis Endoplasmic reticlum A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids Golgi bodies They receive proteins and other newlly formed materials from the er, package them, and distribute them to other parts of the cell Lysosomes Filled with enzymes used to break down food into particles that can be used Vacuoles Saclike structures that store materials such as water, salts, proteins, and carbohydrates in the cytoplasm Mitochondia "power plants" of the cell; contain enzymes and generators that break down food molecules and use the energy released to produce atp Chloroplasts Organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis Cytoskeleton A microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherenceCilia Short structures projecting from