The Human Body in Health & Disease, 6th edition, Ch 3 Updated Questions and Answers_100% Already A+ Graded

The Human Body in Health & Disease, 6th edition, Ch 3 Updated Questions and Answers_100% Already A+ Graded 3 main parts of a cell - CORRECT ANSWER-(1) plasma membrane (2) cytoplasm (3) nucleus plasma membrane (structure) - CORRECT ANSWER-(1) encloses the cytoplasm or "living matter" forming the outer boundary of a cell (2) composed of two layers of phospholipids, with cholesterol dispersed to help stabilize the membrane, and contains proteins that may penetrate completely through the layers (3) selectively permeable plasma membrane (function) - CORRECT ANSWER-(1) keep the cell whole and intact (2) serves as a GATEWAY between the fluid inside the cell and fluid around the cell (3) serves as a communication device cytoplasm - CORRECT ANSWER-(1) internal living material of cells (2) gel-like substance filling the space between the plasma membrane and the nucleus (3) contains organelles ,"little organs" - small specialized structures cytoskeleton - CORRECT ANSWER-"cell skeleton" - made up of microfilaments and micotubules to provide support and movement for the cell 7 organelles found in the cytoplasm - CORRECT ANSWER-(1) ribosomes (2) endoplasmic reticulum (3) golgi apparatus (4) mitochondria (5) lysosomes (6) centrosome (7) cell extensions ribosomes (structure) - CORRECT ANSWER-(1) made of 2 tiny subunits mostly made of ribosomal RNA (rRNA) (2) may be attached to rough endoplasmic reticulum (ER) or lie free in the cytoplasm ribosomes (function) - CORRECT ANSWER-(1) manufacture (synthesizes) enzymes and other protein compounds (2) PROTEIN FACTORIES endoplasmic reticulum (structure) - CORRECT ANSWER-network of interconnect canals and sacs, some with ribosomes attached (rough ER) and some without attachments (smooth ER) endoplasmic reticulum (function) - CORRECT ANSWER-(1) carry proteins and other substances through the cytoplasm (2) rough ER - receives, folds, and TRANSPORTS newly made proteins (from ribosomes) (3) smooth ER - SYNTHESIZES lipids and certain carbohydrates; makes new membrane golgi apparatus (structure) - CORRECT ANSWER-tiny, flattened sacs stacked on one another near the nucleus