Define the following:
1. Ribosomes
2. Chromatin network
3. Digestion
4. Peristalsis
5. Emulsification of fats
Answers
Answer:
1. Ribosomes- Ribosomes are minute particles consisting of RNA and associated proteins that function to synthesize proteins. Proteins are needed for many cellular functions such as repairing damage or directing chemical processes. Ribosomes can be found floating within the cytoplasm or attached to the endoplasmic reticulum.
2.chromatin network - Chromatin is a mass of genetic material composed of DNA and proteins that condense to form chromosomes during eukaryotic cell division. The chromatin is the network of the cell nucleus, which contains all the DNA of the nucleus of the cell. ...
3.digestion- the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body. the function or power of digesting food: My digestion is bad.
4. peristalsis- Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach. ... The motion mixes and shifts the chyme back and forth.
5. Emulsification of fats- Fat emulsification is the process of increasing the surface area of fats in the small intestine by grouping them into small clusters. This is the responsibility of bile, a liquid created by the liver and stored in the gallbladder. Actual digestion of the fats is then accomplished by lipase, an enzyme from the pancreas.
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Explanation:
Chromatin is a mass of genetic material composed of DNA and proteins that condense to form chromosomes during eukaryotic cell division. The primary function of chromatin is to compress the DNA into a compact unit. Most of the chromatin is in a less compact form known as euchromatin. The chromatin is the network of the cell nucleus, which contains all the DNA of the nucleus of the
Digestion is the process that involves The breakdown of food into small components. Further, they get absorbed and assimilated into the body. Digestion includes three stages. The first stage is when the gastric juices are secreted in response to the smell and sight of food is the cephalic phase. The second stage includes the gastric phase of digestion and the third stage is the intestinal phase of digestion.