The Endomembrane System
0.0(0)
Studied by 3 people0.0(0)
View linked note
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/23
Earn XP
Description and Tags
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
24 Terms
1
New cards
Enzymes
________ present in the Golgi lumen modify the carbohydrate portion of glycoproteins by adding or subtracting individual sugar monomers.
2
New cards
Endoplasmic reticulum
________ (ER): a system of membranous channels and saccules.
3
New cards
Ribosome assembly
________ occurs in the nucleolus.
4
New cards
Chromosomes
________: composed of DNA and proteins= chromatin.
5
New cards
Perinuclear space
________: continuous with ER lumen.
6
New cards
endomembrane system
The ________ regulates protein traffic and performs metabolic functions in the cell.
7
New cards
Nuclear matrix
________: filamentous network; organizes chromosomes.
8
New cards
Smooth ER
________: synthesize lipids; metabolizes carbohydrates; detoxifies poison; stores calcium (Sarcoplasmic reticulum)
9
New cards
H2O + O2
Catalase then converts H2O2 into ________.
10
New cards
Golgi
The ________ modifies proteins and lipids that arrive from the endoplasmic reticulum.
11
New cards
Rough ER
________: studded with ribosomes and is the site of protein synthesis and processing.
12
New cards
Chromosomes
composed of DNA and proteins = chromatin
13
New cards
Nuclear matrix
filamentous network; organizes chromosomes
14
New cards
Inner nuclear membrane
specific proteins that act as binding sites for chromatin and for the nuclear lamina
15
New cards
Outer nuclear membrane
continuous with ER membrane; studded with ribosomes
16
New cards
Perinuclear space
continuous with ER lumen
17
New cards
Endoplasmic reticulum (ER)
a system of membranous channels and saccules
18
New cards
Rough ER
studded with ribosomes and is the site of protein synthesis and processing
19
New cards
Smooth ER
synthesize lipids; metabolizes carbohydrates; detoxifies poison; stores calcium (Sarcoplasmic reticulum)
20
New cards
Cis face
receiver (of vesicles)
21
New cards
Trans face
shipper (of vesicles)
22
New cards
Components of the endomembrane system
Nuclear envelope
Endoplasmic reticulum
Golgi apparatus
Lysosomes
Vacuoles
Plasma membrane
Endoplasmic reticulum
Golgi apparatus
Lysosomes
Vacuoles
Plasma membrane
23
New cards
Lysosomes
Spherical organelles containing a single layer membrane
Contain hydrolytic enzymes
Involved in enzymatic breakdown of macromolecules and organelles
Contain hydrolytic enzymes
Involved in enzymatic breakdown of macromolecules and organelles
24
New cards
Peroxisomes contain
oxidative enzymes which remove hydrogens from specific substrates that in turn produces H2O2
Flashcards (56)