Enzymes boost the speed of chemical reactions.
They are very important because in absence of that, process of digestion would take place in several months.....
Enzymes speed up reactions such as digestion. Without them, we'd take weeks to digest our food, which means we wouldn't be able to survive.
Answer:
Genetically identical
Explanation:
Mitosis is a simpler cell division as compared to the meiosis cell division. Here , the genetic material on the chromosome replicates itself and produces exactly the same set of chromosomes which after Cytokines lead to formation of similar cells.
This kind of cell division is common is non sex cells which are required to replicate fast and in large numbers to form body organs. These cells play an important role in development of embryos.
A)diamond
B)graphite
C)sand
D)silicon
Answer:
Graphite is the only allotrope of carbon which is acts as lubricant and it is soft in texture.
Option: B
Explanation:
The atoms of graphite are set in a hexagonal structure. Graphite is soft because the atoms are bounded by Van deer Waal forces which are week.
This graphite is called as dry lubricant as the carbon atoms are loosely packed and free to move hence, it is used as lubricant. As graphite is a dry lubricant this can be used where wet lubricant is not being used. It is only non-metal which is electrically conductive.
Answer:D
Explanation:if I know ittttt
B. 46, 23 pairs
C. 90, 45 pairs
D. 140, 70 pairs
b. made of muscle and very strong.
c. surrounded by a hard shell.
d. controlled by fluid pressure. Reset Selection