término  |
definición |
|
empezar lección
|
|
the smallest funcional unit of all organisms
|
|
|
Cell theory (3 main principles) empezar lección
|
|
1. All organisms are composed of one or more cells. 2. Cells are the smallest units of life. 3. All cells come from pre-existing cells.
|
|
|
|
empezar lección
|
|
Metabolism, Response, Homeostasis, Growth, Reproduction, Excreation, Nutrition
|
|
|
|
empezar lección
|
|
Chemical reactions that release energy for cellular use.
|
|
|
|
empezar lección
|
|
An irreversible increase in size
|
|
|
|
empezar lección
|
|
Producion of offspring (sexual or asexual)
|
|
|
|
empezar lección
|
|
ability to react to changes in the environment
|
|
|
|
empezar lección
|
|
maintaining stable internal conditions
|
|
|
|
empezar lección
|
|
obtaining food needed for energy and growth
|
|
|
|
empezar lección
|
|
Removal of waste products of metabolism
|
|
|
Common features of every cell empezar lección
|
|
surrounded by a membrane, containins genetic material, conducts chemical reactions, have energy release system
|
|
|
Why cells can be thaught of as the smallest living structures? empezar lección
|
|
Because nothing smaller can survive
|
|
|
|
empezar lección
|
|
special cells that are able to develop into many different cell types
|
|
|
|
empezar lección
|
|
Single-celled and can carry out all of the functions of life independently
|
|
|
|
empezar lección
|
|
Have specialised cells to carry out specific functions
|
|
|
|
empezar lección
|
|
Observation -> Hypothesis -> Test -> Corroborte --(Repeat)-> THEORY
|
|
|
|
empezar lección
|
|
He disproved the theory of spontaneous generation
|
|
|
|
empezar lección
|
|
Can differentiate into any type of a cell e.g. Zygote
|
|
|
|
empezar lección
|
|
Can differentiate into many types of cell e.g. Induced pluripotent stem cells
|
|
|
|
empezar lección
|
|
Can differentiate into few closely related types of cells e.g. Haematopoietic cells
|
|
|
|
empezar lección
|
|
Can regenerate but can only differentiate into their associated cell types e.g. Skin cells
|
|
|
