Nwhsu histology 1 - Study guides, Class notes & Summaries

What is the term for a storage of charge across a membrane - ANSWER-capacitance what is the difference of charge on the inside of a membrane - ANSWER--70mv what are 5 characteristics of a bilipid layer - ANSWER-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 - ANSWER-adhesion and communication give 2 examples of organelles w...

NWHSU HISTOLOGY 1 What is the term for a storage of charge across a membrane - Answer- capacitance what is the difference of charge on the inside of a membrane - Answer- -70mv what are 5 characteristics of a bilipid layer - Answer- 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 - Answer- adhesion and communication give 2...

NWHSU Histology Exam 1 Review Questions and Answers (100% Pass)

NWHSU Histology Exam 1 Review Questions and Answers

NWHSU Histology Exam 1 Review Questions And Answers The inner nuclear membrane on the nuclear envelope is supported by: Nuclear Lamina During mitosis what causes the disassembly of nuclear envelope? Phosphorylation of the lamin Steps of creating chromosomes -Double helix DNA wound around 8 histone proteins assemble into nucleosomes(structural unit of chromatin packaging) -these chromatins are fibrils which fold together with each other to make fibers. (tight fold is heterochromatin, ...

Chromatin function: - ANSWER-Synthesis of rRNA Chromatin is made up of what? - ANSWER-Double Stranded DNA and nucleoproteins(Histones) Euchromatin - ANSWER--Vesicular and leptochromatic -transcriptionally active and electron-lucent Heterochromatin - ANSWER--Condensed and pachychromtic -Transcriptionally inactive and when stained has basophilic clumps Nuclear envelope consists of: - ANSWER--2 parallel membranes (outer and inner nuclear membrane) -Outer is continuous with rER Th...