Cell Anatomy Flashcards
What does nucleus contain? 2 Things
Nuclei Acids (RNA & DNA), Proteins (Enzymes & Histones
Nucleic Acids are polymers of what?
Nucleotides
Nucleotides consist of what 3 parts?
Phosphate, Sugar, and Base
What two nucleic acid bases are purines?
Adenine and Guanine (PURe As Gold)
What are the two types of nucleic acid bases?
Purines and Pyrimidines
Which two important DNA processes take place in the Nucleus?
Replication & Transcription
Translation takes place where?
Cytoplasm
What is it called when DNA are with Proteins?
Chromatin
When DNA is wrapped around 8 histones it is called what?
Nucleosome
The lightly shaded area around the nucleolus is what?
Euchromatin (Transcriptionally Active)
The dark shaded area around the nucleolus is what?
Heterochromatin (Transcriptionally Inactive)
The functional section of a chromosome are called what?
Genes
Karyotyping is the picture of what in a cell?
Chromosomes
What makes the rough ER “rough”?
Ribosomes attached to the membrane
Which ER is responsible for detoxifying drugs, Smooth or Rough?
Smooth Endoplasmic Reticulum
Which ER is responsible for the synthesis of membrane and secretory proteins, Smooth or Rough?
Rough Endoplasmic Reticulum
Which ER is responsible for the synthesis of steroids and lipids?
Smooth Endoplasmic Reticulum
Which ER is rich in hepatocytes, adrenal cortical & gonadal cells?
Smooth ER, remember SER is responsible for synthesis of steroids and detoxification so this makes sense.
For which destination are proteins tagged ny the phosphorylation of mannose inside the Golgi complex
Lysosome destination
What is this?
Rough Endoplasmic Reticulum
What is this?
Smooth Endoplasmic Reticulum
What is this?
Golgi Complex
What are these?
Mitochondria
The Cytoskeleton is made up of microfilaments which are made up of _______ globules.
Actin globules
Microtubules are made up of _______.
Tubulins
Explain Axonal Trafficking
When microtubules facilitate transport inside the cell
Dynein attaches to the microtubules to help in transportation in which direction?
Retrograde, toward the cell body.
Kinesin attaches to the microtubules to help in transportation in which direction?
Anterograde, away from the cell body.
What is this?
Microtubule
Which is longer microvilli or cilia?
Cilia
Which is shorter microvilli or cilia?
Microvilli
Which is made of microfilaments, microvilli or cilia?
Microvilli
Which is made of microtubules, microvilli or cilia?
Cilia