Answer:
Haemoglobin (Hb) is a protein present in red blood cells that transports oxygen and gives blood its dark/vivid red color. The amount of haemoglobin in the blood varies from person to person. Men's levels are often greater than women's. This is scientifically proven however, it is often but not all the time.
Answer and Explanation:
Mitosis is a process in which a single cell distribute into two identical cells. Mitosis include five phases which depend on the physical state of the spindle and chromosomes. Every phase of the mitosis use pipe cleaners to signify the chromosomes. Body cells have about 46 chromosomes. For simplification we use 4 chromosomes. Pipeline activity of the mitosis include different kind of material. In step 1 take two plates and stack them on the top of each other. Plates signify the cell. On the top plate, place 4 pipe cleaner. In step 2 pipe cleaner of the same length and color subsequent to each other. Then twist each pair together. “X” signify the duplicate chromosomes. Two different colors shows that one chromosome came from the mother and one from the father. Through the process of DNA duplication, chromosomes are copied. In the S stage of interphase, DNA copying take place before mitosis. When the chromosomes become visible, prophase might be identified. Then in the center of the plate, line up the chromosomes in a single line, that represent a cell in metaphase. In Anaphase, separate each chromosome by unraveling them. Telophase is the last phase of the mitosis. Cytokinesis begins in this phase. In mitosis, chromosomes goes back to the correct parent so making the data in accurate.
There are six aorganells in an animal cell. The Nucleus, Ribosomes, Endoplasmic reticulum, Golgi apparatus, Chloroplasts and the Mitochondria.
Answer:
Option (a), (c), and (d).
Explanation:
The DNA is the genetic material of almost all the living organisms but in case of some viruses RNA acts as the genetic material. The DNA requires the binding of proteins and factors for the proper functioning of the cellular system.
The DNA and protein interaction is bounded by non covalent interactions as these interactions are not permanent in nature. The non covalent interaction include the hydrogen bonding, vander walls and ionic interaction. The covalent interaction is the strongest interaction present in nature.
Thus, the correct answer is option (f).
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