Cells Flashcards
What are the 5 parts of a animal cell?
Nucleus, Mitochondria, Ribrosomes, Cytoplasm and the cell membrane
What are the 8 parts of plant cell?
Nucleus, Mitochondria, Ribrosomes, Cytoplasm, Cell membrane, Cell wall, Vacuole, Cell wall
What are the 8 parts of a bacteria cell?
Nucleoid(DNA), Ribrosomes, Cell wall, Pilli, Cytoplasm, Plasmid, Plasma membrane, Capsule
What type of cell is a bacterial cell?
Prokaryotic
What type of cells are plants and animal cells?
Eukaryotic
What are the main features of a sperm cell?
Head with nucleus and enzymes
Middle section
Tail for more movement
What are the main features of an egg cell?
Spherical shape
Nucleus in the middle
Cytoplasm containing yolk around the nucleus
Jelly layer on the outside
What are the main features of a nerve cell?
Connections to pass electrical signals
Long to pass electrical signals
What are the main features of a red blood cells?
No nucleus
Large surface area
Contains haemoglobin to get oxygen
What are the main features of a muscle cell?
Elongated to contract and relax and have more mitochondria for energy
What are the main features of xylem?
Made of dead cells with a hole in the middle
Carries water and minerals
One way transportation
What are the mains features of phloem?
Transports food
Made of living cells with small holes
Transports both ways
What are the main features and jobs of root hair cells?
Absorbs food and minerals from the soil
Large surface area to absorb more things from the soil
How many chromosones does a human diploid cell have?
46 (23 pairs)
How many chromosones does a human haploid cell have?
23
What are genes?
Sections of DNA that control characteristics
What are alleles?
Different forms of the same genes
What are stem cells?
Cells that are early in development and aren’t specialised
What is the difference between embryonic and adult stem cells?
Embryonic stem cells can become anything whereas adult stem cells can only become where they were born