Answer:
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Answer:
The tubule adjusts the level of salts, water, and wastes that will leave the body in the urine. Filtered blood leaves the kidney through the renal vein and flows back to the heart.
Pee leaves the kidneys and travels through the ureters to the bladder. The bladder expands as it fills.
Stem cells can be defined as the cells that have the ability to form any specialized type of cells. These undifferentiated cells have the potential to differentiate to form the different cell types. These stem cells can be derived either from the embryo or from certain adult tissues. Certain genes are activated in these cells to form a specific type of the cell. Lily used the stem cells so that certain genes can be activated in them to produce the new rod cells.
Hence, the correct answer is 'Option B'.
The microbes that usually live on or in a person are collectively referred to as human microbiota.
Microbes are the very small organisms that cannot be seen through unaided eyes. These include bacteria, viruses, fungi, archaebacteria, etc. They can be visualized under a microscope. They can be found in several habitats like water, sand, air or even inside some other living organism.
Human microbiota specifically includes all those microorganisms present above or inside the humans. Inside the humans, majority of the microbes are found in the digestive system. They are known to help in the process of digestion. Outside the humans, maximum microorganisms are found upon the skin.
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An accurate summary of meiosis is D. A CELL DIVIDES INTO GAMETES.
Meiosis is a special type of cell division wherein only have of the DNA copies are made. Meiosis divides cells two times. First cell division is Meiosis I and second cell division is Meiosis II.
In Meiosis I, homologous chromosome pairs are segregated into two new daughter cells. In Meiosis II, the two new daughter cells produced in Meiosis I are again divided producing four daughter cells.
These four daughter cells become gametes when they mature. Some types of gametes are sperm, ova, pollen, or spores. They contribute to sexual production when facilitated together with fertilization.