Two well-understood sncRNAs in eukaryotic cells are: microRNA and siRNA. SncRNAs are small non-coding RNAs with the main function in the regulation of different stages in gene expression. micro RNA are involved in RNA silencing (negative gene expression) and post-transcriptional regulation of gene expression(microRNA is complementary to a part of mRNA and can inhibit translation of that mRNA). siRNAs also <span>called</span> silencing RNA because of their possibility to inhibit translation by degrading mRNA after transcription.
This process is called differentiation.
<h3><u>Explanation:</u></h3>
We know that during sexual reproduction, the mating results in fertilization between sperms and ova with production of zygote. This zygote is a single cell, which divides for thousands of time to produce a whole multicellular organism.
Each and every cell which is produced from the embryo have the same DNA and the same number of genes. But during the intrauterine life of the embryo, some cells start expressing some gene while others the different genes. This paves the way for organ differentiation and tissue differentiation. So the process by which the different cells of a multicellular organism expresses different gene inspite of having same DNA is called Differentiation.
Those are graphs....
with population and size on Y and X axis respectively
Answer:
Unicellular. Bacteria are single-cell organisms. Bacteria are microscopic, usually 0.5 to 5 microns in length, and are generally smaller than eukaryotic cells. Unlike a human muscle cell or blood cell, a bacterial cell is a self-sufficient living being.
Answer: photosynthesis - chloroplast; cellular respiration - mitochondria
Explanation: