Ati Teas 7 Anatomy And Physiology | Study Guide | Latest Version 2023-2024

ATI TEAS 7 ANATOMY AND PHYSIOLOGY | STUDY GUIDE | ... [Show More]

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lOMoARcPSD|28205643 ATI TEAS 7 ANATOMY AND PHYSIOLOGY | STUDY GUIDE | LATEST VERSION 2023-2024 CELLS & BASIC STRUCTURE Prokaryotessingle-celled (bacteria or archaea) with agella (for movement) Replicate through binary ssion split apart and make 2 exact copies of same cell DNA is contained in single circular chromosome Eukaryotes Plants, animals, fungi, bacteria Reproduce through mitosis or meiosis DNA is contained in multiple linear chromosomes All cells have cell membrane, cytoplasm, and DNA Plant cells contain all same organelles but contain cell walls with chloroplast Organelles that aid in photosynthesis ORGANELLES OF A CELL OrganelleFunctionCell membraneControls movement of solutes in and out of the cell (proteins, enzymes, chemicals) Selectively permeable Made of double layer of phospholipids (hydrophilic phosphate Nucleuscontains DNA Codes for protein (transcription process of making mRNA from gene) DNA replication NucleolusWhere most RNA and ribosomes are madeMitochondriaPowerhouse of cell Produce AT P via aerobic respiration Has a double membrane, small circular genome, and Endoplasmic Reticulumwhere proteins are built and stored Smooth ER = noTRANSPORT MECHANISMS Passive Mechanisms Does not require energy From a high to low concentration 1)Simple Diffusion a)Relies on concentration gradient to scatter molecules until equilibrium 2)Facilitated Diffusion a)Uses carrier proteins to transport molecules across cell membrane