Chapter 3 Flashcards
What are three different types of cells that exist in nature?
Prokaryotes
Eukaryotes
Archaeans
What’s cell theory?
All organisms are made up of basic living units called cells, and that all cells come only from previously existing cells.
In prokaryotic cells, what’s the cell wall made of?
Peptidoglycan
Rotating filament that pushes bacteria forward
Flagellum
Plu: flagella
What’s the gel-like coating outside the cell wall of bacteria ?
Capsule
Hairlike bristles that allow the adhesion of bacteria to surfaces
Fimbriae
فيمبريا
Prokaryotes have a single chromosome located within a region of cytoplasm called …
Nucleoid
The cytoplasm of bacteria cell has thousands of …for the synthesis of protein.
Ribosome
What’s the name of photosynthetic bacteria?
Cyanobacteria
What are the light sensitive pigments in Cyanobacteria ?
Thylakoids
Where is the genetic material of cell stored in eukaryotes?
Nucleus
…chromatin contains DNA and associated proteins in the nucleus
Chromatin
When cell is dividing, chromatin changes to ….
Chromosomes
How many chromosomes are there in human cells?
46
Chromosomes are immersed in semigloss medium called ….
Nucleoplasm
Where the ribosomal RNA is produced?
In nucleolus
What’s the double membrane of nucleus called ?
Nuclear envelop
… Are responsible for the synthesis of protein in cell
Ribosomes
What does endomembrane system consist of?
Nuclear envelope, the Endoplasmic reticulum, the Golgi apparatus, and several vesicles
What’s the transportation and product processing section of the cell?
Endomembrane system
Smooth ER produces …
Phospholipids found in cell membrane
The transporting vesicles are formed in ….
Smooth ER
What’s the shipping center of the cell?
The Golgi apparatus
… Collects, sorts, packages, distributes material in the cell.
Golgi apparatus
…is also involved in the formation of lysosomes?
Golgi apparatus
What’s the garbage disposal of the cell?
Lysosome
A large membrane sac which is larger that vesicles ?
Vacuole
…,…,….can all carry out photosynthesis.
Plants, algae, and Cyanobacteria
What’s the formula of photosynthesis?
H20+CO2+solar energy»»»O2+C6O12H12
Stroma in chloroplast contains has single circular ….and ….
DNA
Ribosome
In mitochondrion, the inner fluid filled space is called …
Matrix
The inner membrane of mitochondrion invaginate a to form ….
Cristae
What’s the structural and functional unit of an organism ?
Cell
