BIOL 1500 EXAM 2 | 123 QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+ | NEW 2025

BIOL 1500 EXAM 2 | 123 QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED
A+ | NEW 2025

basic features of a cell - ANSWER plasm membrane; cytosol; chromosomes;
ribosomes


describe prokaryotic cells - ANSWER no nucleus; DNA in nucleoid; no
membrane-bound organelles


describe eukaryotic cells - ANSWER DNA in nucleus; membrane-bound
organelles; cytoplasm in region between plasma and nucleus


describe plasma membrane - ANSWER selective barrier that allows sufficient
passage of oxygen, nutrients, and wastes


describe nuclear envelope - ANSWER encloses nucleus; double membraned


ribosomes - ANSWER build proteins either in cytosol or outside of ER


endomembrane system - ANSWER consists of nuclear envelope, ER, golgi,
lysosomes, vacuoles, and plasma membrane


Smooth Endoplasmic Reticulum (ER) - ANSWER detoxifies drugs and poisons;
synthesizes lipids; stores calcium ions

, Rough Endoplasmic Reticulum - ANSWER studded with ribosomes that secrete
glycoproteins; distribute transport vesicles


Golgi apparatus - ANSWER modifies products of ER; sorts and packages
materiels


Lysosomes - ANSWER digest macromolecules; work best in acidic
environments


What is phagocytosis? - ANSWER Cell eating


What are vacuoles? - ANSWER large vesicles derived from the ER and Golgi
apparatus


What are food vacuoles? - ANSWER associated with food digestion


what are contractile vacuoles? - ANSWER found in many freshwater protists,
pump excess water out of cells


what are central vacuoles? - ANSWER found in many mature plant cells, hold
organic compounds and water


Mitochondria - ANSWER sites of cellular respiration which generates ATP