Exam Guide for Nas 2 Course 2024 Q&A

Exam Guide for Nas 2 Course 2024 Q&A Basic unit of life - CORRECT ANSWER-Cell All organisms are composed of how many cells - CORRECT ANSWER-1 or more Cells come from what type of cells - CORRECT ANSWER-Pre-existing Cells come in a variety of - CORRECT ANSWER-Shapes and forms 2 major types of cells - CORRECT ANSWER-Prokaryotic, eukaryotic Characteristic of prokaryotic - CORRECT ANSWER-Very small cells, no nucleus or organelles Prokaryotic type of organism - CORRECT ANSWER-Bacteria Characteristic of eukaryotic - CORRECT ANSWER-Much larger cells, DNA contained in nucleus, several types of organelles Eukaryotic type of organism - CORRECT ANSWER-Protistans, plants, fungi, animals Number of chromosomes in human germ cell - CORRECT ANSWER-23 Human germ cells are - CORRECT ANSWER-Haploid Number is chromosomes in somatic cells - CORRECT ANSWER-46 Somatic cells are - CORRECT ANSWER-Diploid Two types of germ cells - CORRECT ANSWER-Sperm and ova Unspecialized cells are called - CORRECT ANSWER-Stem cells Stem cells typically capable of - CORRECT ANSWER-Cell division Differentiated cells are called - CORRECT ANSWER-Specialized Specialized cells typically do NOT - CORRECT ANSWER-Divide Cell membrane - CORRECT ANSWER-Forms boundary of the cell, controls movement in and out of the cell Cytoplasm - CORRECT ANSWER-Fluid medium of the cell for chemical reactions Nucleus - CORRECT ANSWER-Contains DNA, controls cell activity Organelles - CORRECT ANSWER-Perform specialized cellular functions 3 components of the cell membrane - CORRECT ANSWER-Phospholipid bilayer, membrane proteins, cholesterol Function of phospholipid bilayer - CORRECT ANSWER-Forms a barrier Function of Membrane proteins - CORRECT ANSWER-Allow cell interactions Function of Cholesterol - CORRECT ANSWER-Stabilized the membrane What are the 6 membrane proteins - CORRECT ANSWER-Transport, receptors, attachment, enzymes, intercellular joining, recogniti