revision question Flashcards
5 sub cellular structures both plants and cells have.
Cytoplasm,Nucleus,Cell membrane,Ribosomes,Mitochondria
3 things plant cells have but animals don’t
Chloroplast, Vacuole , Cell wall
what type of organism are bacteria?
Prokaryotic
Which gives higher resolution- a light microscope or an electron microscope
Electron microscope
what is cell differentation
the process by which a cell changes to become specialized for its job.
how is a sperm cell adapted for swimming to an egg cell
lots of mitochondria so they can last longer, tail for swimming and streamlined head for burrowing.
what are chromosomes
coiled up lengths of DNA molecules
what is the cell cycle
The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells. In bacteria, which lack a cell nucleus, the cell cycle is divided into the B, C, and D periods.
what is mitosis used for by multicellular organisms
mitosis produces more cells for growth and repair.
Binary fission
Binary fission (“division in half”) is a kind of asexual reproduction. It is the most common form of reproduction in prokaryotes
cell division
the division of a cell into two daughter cells with the same genetic material