A stem cell is an extraordinary, early stage, unspecified cell that has the potential to develop into a number of specialized cell types.
there important because they can replace cells that have been lost or damaged
When winds move air masses, they carry their weather conditions (heat or cold, dry or moist) from the source region to a new region. When the air mass reaches a new region, it might clash with another air mass that has a different temperature and humidity. This can create a severe storm.
so therefore the answer is a,b,and c
Answer:
Point D
Explanation:
Point D is the point that is most likely to not have any plants growing in it. The reason why this point of the body of water will not have any plants is because of the lack of light. This part of the body of water is dark, with no light penetrating to it. The plants need light to survive, as it is a vital element in the process of photosynthesis. If there isn't any light, the plants can not perform photosynthesis, thus they can not produce their own food, which in turn means that they will not exist in such a place.
Post-transition stage
(Technically the 4th stage)
Answer:
Explanation:
Bands are used in separation of agarose gel during electrophoresis. It helps to separate DNA fragments. DNA strands are negatively charged and are moved towards the anode according to there sizes this creates the bands that is seen. The Bands are viewed ender ultraviolet rays of light.
The bands are usually clear and distinguishable when viewed but smearing could occur and this makes the band lump together.