NWHSU Histology 1 - Exam 1 Questions
And Answers
why does the cell membrane need to be thin to let necessary chemicals in/out of the cell
what is the purpose of cell wall thickening protection
Compare and contrast: Mitochondrion vs. nucleus 1. both have double unit membrane
2.Mitochondria make...
why does the cell membrane need to be thin to let necessary chemicals in/out of the cell
what is the purpose of cell wall thickening protection
Compare and contrast: Mitochondrion vs. nucleus 1. both have double unit membrane
2.Mitochondria makes ATP, Nucleus is the control center of the cell
compare and contrast: centrioles vs. microtubules 1.centrioles are organelles and
microtubules are modification of the membrane
2. both are involved in forming mitotic spindles
3.both are non-membrane bound
4. centrioles -> basal bodies to anchor microtubules
compare and contrast : microvilli vs cilia 1. both are extensions of the membrane
2.cilia are long and microvilli are short
3.cilia are movement, microvilli are absorption
, NWHSU Histology 1 - Exam 1 Questions
And Answers
4. cilia have 9 doublets and 2 singlets
compare and contrast: microtubules vs microfilaments 1.both are non-membrane bound
2.microtubules are hollow, microfilaments are solid
3.microtubules are the core of cilia, microfilaments are core of microvilli
4.microtubules are bigger than microfilaments
compare and contrast: ribosomes vs. nucleolus ribosomes (rER) translate proteins for
export, nucleolus synthesizes ribosomes
2.both are non-membrane bound
3.ribosomes come from nucleolus
compare and contrast centrioles vs cilia 1.centrioles are organelles, cilia are not
2. centrioles have 9 triplets, cilia have 9 doublets plus 2
3. both have microtubules
4. cilia=movement. centrioles= organize cell division
compare and contrast: golgi vs. rER 1. golgi has double membrane, rER has a single
, NWHSU Histology 1 - Exam 1 Questions
And Answers
2.golgi is responsible for packaging and sorting (glycosylation), rER transports protein
components to golgi.
3.rER is a site of translation
2 types of epithelium that act as a primary line of defense 1.stratified
2.keratinized epithelium
epithelium associated with absorption 1. simple epithelia
2. microvilli
epithelium associated with secretion glandular epithelium
epithelium associated with diffusion of gases simple squamous epithelium
epithelium lining small intestine simple columnar with microvilli and goblet cells
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