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What are some of the characters from living entities?
Are highly organized compared to natural inanimate objects;
What is a genome?
A Genome is like a programe which provides all the DNA which instructs the Cell how to function
What are the functions of Cytoplasm and Cytosol?
Is responsible for giving a cell its shape
What sentences are true refer to cell variability?
contain identical copies of the DNA of the species
Explain Phagocytosis and Autophagy
Phagocytosis: Way in which large particles are degrade by special cells
Autophagy: It is the turnover of cytoplasmic organelles. The first step of autophagy is the enclosure of an organelle in membrane derived from the ER
What are the three target main destinations from funtional groups after released from the Golgi apparatus?
-Cell Membran: Process is continuously
-Secretion from the Cell (for othe parts of the body): Requirement is a special chemical signal that needs to be released before it 'is allowed' to pass the cell membrane
-Sent to Lysosomes to get hydralyzed
What is a mitochondrion and what are the three main steps?
It is a organellen with a double layer membrane.
They are self-replicating and have their own DNA and ribosomes (=> produce their own proteins).
The primary function of mitochondria is to generate large quantities of energy in the form of adenosine triphosphate (ATP)
3 main steps:
- Breakdown of large macromolecus to small subunits, like glucose (outside the cells)
- Glycolysis: glucose -> pyruvate (in the cytosol),
- Oxidative phosphorylation -> ATP synthesis (in the mitochondria).
What are Viruses?
They are non living aggregates of macromolecules provided with biological properties
What are the two types of Cells?
Prokaryotes are organisms without a cell nucleus (= karyon), or any other membrane-bound organelles.
Eukaryotes are organisms whose cells are organized into complex structures by internal membranes. The most characteristic membrane bound structure is the nucleus.
Most Pluricellular
What are Plasm Membrane?
Its so called the Cell Skin, it is Selectively permeable and it is a double layer of protein and lipids. Sperate the Cytoplasm from its surroundings.
How the cells in particellular organism are organised?
- tissues: groups of similar cells that work together on a specific task;
- organs: structures made up of two or more tissues organized to carry out a particular function;
- organ systems: groups of organs with related functions.
What are the functions of a Cytoskeleton?
Helps the cell maintain its shape and gives support to the cell;
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