Answer:
Submergent Vegetation. Various life forms arrive at the pond and the debris level increases at the bottom.
Emergent Plants. Emergent plants begin to grow at the edges of the pond. ...
Marsh, Swamp, Meadow, Forest, Grassland.
Explanation:
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The correct answer is the cell.
The best answer would be:
A. The stage during which the cell carries out normal cellular functions and makes copies of its DNA.
If you'd like to know more about it, read on:
The cell actually spends most of its life in this phase of the cycle. This is the point where the cell grows and makes copies of its DNA in preparation for cell division.
Interphase is divided into 3 steps:
G1 phase - the cell grows larger and it makes copies of its organelles. (also known as the first gap phase)
S phase - the cell synthesizes copies of its DNA that is found in the nucleus.
G2 phase - it grows more and makes proteins in preparation for cell division. The cell even reorganizes its organelles in this phase.
Hi!
Science is entirely focused on giving 100% <em>factual </em>answers, based on the physical world. In order to do this, we must <em>avoid </em>bias at <em>all costs. </em>
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By injecting Mesenchymal Stem Cells with ability to express high amount of Akt or protein kinase B in myocardium, researchers witnessed restored cardiac function and inhibition of ventricular remodeling. The effect was seen after two weeks of administration of cells. The culture containing hypoxic Akt-MSCs (conditioned medium) inhibits apoptosis or cell death induced due to hypoxia. Also, it triggers in vitro contraction of cardiomyocytes, the cardiac cells specifically responsible for contraction function.
The desired functional improvement can occur in short time which is less than 72 hours, the reason for which was hypothesized as paracrine action of cells. Hypothesis was proved by upregulation of genes that code for factors responsible for above mentioned effects (apoptosis and contraction). The factors are FGF-2, VEGF, HGF etc.
Learn more about stem cells -
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