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NWHSU Histology 1 - Exam 1 Questions and Answers (100% Pass)
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NWHSU Histology 1 - Exam 1 Questions and Answers (100% Pass)
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1|Page | © copyright 2024/2025 | Grade A+NWHSU Histology 1 - Exam 1
Questions and Answers (100% Pass)
What is the term for a storage of charge across a membrane
✓ capacitance
what is the difference of charge on the inside of a membrane
✓ -70mv
what are 5 characteristics of a bilipid layer
✓ 1. thin membrane
✓ 2. semipereability
✓ 3. allows protein to float around (fluid mosaic)
✓ 4. membrane proteins control what comes in, and goes out of the cell
✓ 5. gycocalyx
what is the function of the glycocalyx
✓ adhesion and communication
give 2 examples of organelles with double unit membranes
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ nucleus, mitochondria
give 3 examples of organelles with a single unit membrane
✓ rER, sER, and lysosomes
what is caused by a decrease in myelenation of axons
✓ Multiple sclerosis
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
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ 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
✓ 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
Master01 | October, 2024/2025 | Latest update
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