Chapter 4 Notecards Flashcards
1
Q
What are the Functions of the Nucleus?
A
- Location of most of the genome
- Gene Expression and regulation
- Organization and protection of the chromosomes via the nuclear matrix
- site for ribosome subunit assembly
2
Q
What are the functions of the cytosol?
A
- Coordination of responses to the environment
- Coordination of metabolism
- Synthesis of peroxisome
- Organization and movement via cytoskeleton and motor proteins
3
Q
What is included in the endomembrane system?
A
- Nuclear Envelope
- Endoplasmic Reticulum
- Golgi Apparatus
- Lysosomes/Vaculoles
- Peroxisomes
- Plasma Membrane
4
Q
What is the function of the nuclear envelope?
A
It is a double membrane that surrounds the nucleus.
5
Q
What is the function of the endoplasmic reticulum?
A
- Protein Secretion and sorting
- Glycosylation - the process by which a carbohydrate is covalently attached to a target macromolecule, typically proteins and lipids.
- Lipid Synthesis
- Metobolic functions and accumilation of Ca2+
6
Q
What are the functions of the golgi apparatus?
A
- Protein secretion and sorting
- Glycoslycation -the process by which a carbohydrate is covalently attached to a target macromolecule, typically proteins and lipids.
7
Q
What is the function of lysosomes and vacuoles?
A
- Degredation of organic molecules
- Storage of organic molecules
- Accumilation of water (in plants)
8
Q
What are the functions of peroxisomes?
A
- Break down toxic molecules like H202
- Breakdown and synthesis of organic molecules
9
Q
What are the functions of the plasma membrane
A
- uptake and excretion of ions and molecules
- Cell signalling
- cell adhesion
10
Q
What are the semiautonomous organelles?
A
- Mitochondria
- Chloroplasts
11
Q
What is the function of Mitochondria?
A
- synthesis of ATP
- Synthesis and modification of other organic molecules
- Production of heat
12
Q
What is the function of Chloroplasts?
A
- Photosynthesis of Plants and Algae
