Answer:
going through Cytokenesis.
Explanation:
This is the process which climax cells division in plans and animals where the cells cytoplasm divides and two new daughter cells are formed. it occurs both in plants and animals but in different forms.
The point of initiation of cytokinesis is determined by the mitotic spindles and basically Cytokineses marked the beginning of new generation of cells.
it occurs in 4 stages which are initiation, contraction, stage of insertions of the membrane and completion of division. It is the contraction of the membrane and the eventual formation of the two daughter cells that resulted in fig -8- shaped under microscope.
Denaturation refers to the loss of protein three-dimensional structure when temperature or pH is altered.
Denaturation is the phenomenon in which the tertiary structure of the protein is broken down due to the breakage of bonds between the amino acids of proteins. This breaking of bonds occurs due to the change in pH or temperature from the normal at which the protein remained active.
Three-dimensional structure of the protein is its form in which the protein remains active and functional. It is generally tertiary structure of protein. This active tertiary structure is decided by the sequence of amino acids in the primary structure of protein, where the protein exists as a linear chain.
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Answer:
4) It allows the exchange of nutrients between the embryo and the mother, while at the same time filtering out harmful material.
Explanation:
The placenta is an organ present in all mammals. She is confirmed between the 6th and 8th week of pregnancy and has as main function the exchange of substances between the mother and the fetus. Among these substances are nutrients, gases and even secretions. The placenta also has the function of fighting infections and promoting immunity to the fetus, in addition, it can act as the lung, the intestine and the liver, while the fetus does not develop its organs.
Answer:
Option (2) and (3).
Explanation:
Cancer is the uncontrolled division of the cell that might results in the loss of apoptosis in the cells. The cancer cell shows the property like angiogenesis and loss of contact inhibition.
Both the hereditary factors like mutations in some gene and environmental factors like any mutagen may inhibit the process of the cell division. Both these factors mainly inhibits the gene that are responsible for the regulation of the cell cycle like p53, Rb.
Thus, the correct answer is option (2) and (3).
The answer is c hope this helped
