The mechanics of cytokinesis are not yet completely understood, but a great deal is known about the critical timing of its events and other aspects of the final step in the cycle of any one cell. The four stages of cytokinesis are initiation, contraction, membrane insertion and completion .
The elements that are best known for helping performers memorize an epic poem are rhyme, rhythm, and repetition of certain words.
Answer: Option (4)
Explanation: Methane (CH4) is one of the green house gas which is about 0.00017% by volume at present.
With the increasing number of factories and the industries, a noticeable amount of methane has been released to the atmosphere so far, and they have the ability to exist in the atmosphere for about 10-12 years. It can also be reduced when undergoes chemical reaction in the atmosphere.
Hence, the correct option here is (4)
Answer: The reproductive capacity of the star fish is asexual.
Explanation: The starfish is known to reproduce another of its kind by fragmenting. It is by breaking a part of its one or more arms. The broken fragment grows to be individual starfish. And if you are wondering the broken arm of the parent starfish, well it regrows.
You can observe this phenomenon in plants as well and definitely with other sea creatures and bacteria, e.g., corals, sponges, and cyanobacteria
Answer:
d. Pancreas
Explanation:
The digestive system structure which releases sodium bicarbonate into the small intestine, resulting in a change in the pH of chyme from acidic to basic is called the pancreas. It makes use of the pancreatic duct in releasing the bicarbonates into the small intestine.
The bicarbonates aids the digestive processes and also neutralizes the duodenum from acidity. This is due to the the acidic food from the stomach and is as a result of the stomach being acidic and having acids such as dil. Hcl.
