Stem cells are cells of the body that can divide and become differentiated. stem cells specialise and take specific functions when an organism grows
mature tissues such as muscle, blood, tissue, bone, nerves, liver all have different types of cells.
they come from three to five day old embryo cells.
they represent potential in the regeneration and repair of damaged tissue. some therapies actually currently use stem cells for this reason
Answer:
d. sampling unit
Explanation:
<u>Sampling unit:</u>
Refers to the unit or group of elements that are selected from an original population during an investigation. The sampling unit might be composed of a statistical unit or a group of statistical units.
The statistical unit or element is the elemental unit that composes the target population.
The sampling unit is a basic concept to keep present during the development of the investigation project. It is the minimal unit of observation that will be used to take information about the variables of interest. All the sample unit composes the population and is defined by an <em>N</em>, while only some representative sample units compose the sample, and are represented with an <em>n</em>.
So, the whole population can not be measured because of its size, or the individuals´ characteristics, among other many factors. So we need to take a random and representative sample or group of the population to proceed with our investigation. This sample or group is composed of some of the original population individuals, which are defined as "sample units".
Answer:
Homeostasis involves maintaining a balance of several factors that make a cell healthy.
Explanation:
The cell membrane is a lipid bilayer that prevents that passage of water and ions. This allows cells to maintain a higher concentration of sodium ions out the outside of the cell.
Biology is a branch of science that deals with living organisms and their vital processes.
Chemistry is the science that deals with the properties, composition, and structure of substances
Physics is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force
