Answer:
Telomeres
Explanation:
Telomeres are present at the ends of chromosomes and prevent the lose of genes. They shorten as a person ages. Thus lengthening them may slow down age related problem.
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Answer:</h2>
There are three types of meristems on the basis of position, i.e
- Apical meristem.
- Lateral meristem.
- Intercalary meristem.
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Explanation:</h2>
A meristem is the tissue present in most plants containing undifferentiated cells, found in zones of the plant where growth can take place. Generally differentiated cells(the cells other than meristems) do not divide and produce of a different type of cells.
Meristems are classified on the basis of their location in the plant:
- Apical meristem - these are the meristems located at root and shoot tips of the plant.
- Lateral meristem - these are the meristems located in the vascular and cork cambia in plants.
- Intercalary meristems - these are the meristems located at internodes, or stem regions between the places at which leaves attach, and leaf bases.
Result: There are 3 types of meristems.
The long bones are those that are longer than they are wide.
They are one of five types of bones long, short, flat, irregular and sesamoid.
If you want a description of Bryophyte or how it looks like is that:
It is a small green plant that is flowerless and consists of Mosses and Liverworts. It can also be referred as Embrophytes.
