Answer
Villi are small finger-like projections found inside the inner walls of the small intestine. They v increase the surface area for absorption of the digested food. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials
Explanation:
Answer:
It is usually of uniform thickness. (Ans. E)
Explanation:
In the plant cell wall primary cell wall is existing between the mid lamella and the secondary cell wall. The structure of the primary cell wall is thin, and flexible in nature and they are made up of pectin, hemicellulose, cellulose.
The primary cell wall is the part of the cell wall that has the capability to enlarges the layers by the mechanism known as an acid growth mechanism, with the help of this mechanism plant cells grow via plant cell wall enlargement at a poor pH level.
D the discovery of genes changed how scientists think about life
"Parasitic particles" is the one characteristic among the following choices given in the question that <span>is exhibited by viruses to test your understanding of a third type of microorganism. The correct option among all the options that are given in the question is the fourth option or the penultimate option. I hope it helps you.</span>
