organelles - Answer-delimited intracellular structures that perform specific cellular functions
protists and fungi - Answer-2 most common groups of eukaryotic microbes
cytosol - Answer-Fluid portion of cytoplasm
microfilaments, intermediate filaments, and microtubules - Answer-3 kinds of f...
MCB3020 Exam 1- Module 2b Questions
and Answers
organelles - Answer-delimited intracellular structures that perform specific cellular
functions
protists and fungi - Answer-2 most common groups of eukaryotic microbes
cytosol - Answer-Fluid portion of cytoplasm
microfilaments, intermediate filaments, and microtubules - Answer-3 kinds of filaments
that form the cytoskeleton
Endoplasmic Reticulum - Answer-A system of membranes that is found in a cell's
cytoplasm and that assists in the production, processing, and transport of proteins and
in the production of lipids.
MAJOR site of cell membrane synthesis
rough ER - Answer-That portion of the endoplasmic reticulum studded with ribosomes.
ribosomes responsible for synthesis of proteins
smooth ER - Answer-That portion of the endoplasmic reticulum that is free of
ribosomes.
site of lipid synthesis
Golgi apparatus - Answer-A system of membranes that modifies and packages proteins
for export by the cell
lysosomes - Answer-An organelle containing digestive enzymes (from the ER) that arise
from the Golgi apparatus
histone - Answer-protein molecule around which DNA is tightly coiled in chromatin
chromatin - Answer-Clusters of DNA, RNA, and proteins in the nucleus of a cell
nucleosome - Answer-segment of DNA wrapped around a core of histones
nucelar envelope - Answer-double membrane enclosing the nucleus; perforated by
pores; continuous with ER, continuous with the ER
nuclear pores - Answer-holes in the nuclear envelope that allow materials to pass in and
out of the nucleus (mRNA, tRNA, immature ribosomal units)
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