ATI TEAS Dental Hygiene Entrance Exam (Top 2024/2025 EXAM REVIEW DOC )

ATI TEAS Dental Hygiene Entrance Exam What is the basic organizational unit of all living things? - the cell What is one thing that all cells have in common? - a cell membrane What is a membrane comparable to? - a semi-permeable plastic bag What is the membrane composed of? - phospholipids What are transport holes? - proteins that help certain molecules and ions move in and out of the cell What is cytoplasm? - the fluid that fills the cell; aka cytosol What are organelles? - groups of complex molecules that help a cell survive; larger the cell the more organelles needed What do all cells contain? - DNA and RNA What can all cells do? - synthesize protein What does each cell of an organism consist of? - nucleic acids, cytoplasm, and a cell membrane What are make the mitochondria and chloroplasts unique? - they are specialized organelles that have specific functions within the cell How do single-celled organisms differ from multicellular? - single-celled organisms contain all of the components necessary for life, while multicellular organism cells can be specialized How does life begin on the cellular level? - life begins as a single cell by either asexual or sexual reproduction How are cells grouped together? - in tissues How are tissues grouped together? - in organs How are organs grouped together? - in systems What is a considered a complete individual? - an organism What are ribosomes involved in? - synthesizing proteins