Two of the most important energy-carrying molecules are glucose and ATP.
Answer:
a. Osteogenic cells can differentiate into osteoclasts
Explanation:
Osteoblasts are the cells that are formed from osteogenic cells. The osteogenic cells enter the process of bone formation. There is a secretion of organic compounds and salts to form osteoblast. Osteoclasts are the very large cells that are formed when many monocytes fuse together and are concentrated in endosteum. Osteoclasts are the cells responsible for bone resorption.
<span>The youngest rock layers are at the top and the oldest are at the bottom, which is described by the law of superposition.</span><span>Fossil layers are fossils that formed in sedimentary rock. Sedimentary rock is rock that is formed in layers by the depositing and pressing of sediments on top of each other. </span>
1. compound
2. element
3. element
4. compound
elements are only one type of thing, compounds are more than one type of thing
Answer: Fourth option is correct.
Explanation:
Germ theory of disease stated that Diseases are caused by the presence and action of specific microorganisms inside the body.
It says that the pathogens are responsible for causing diseases.
These pathogens are too small to see without the use of microscope attacks human, animals and other hosts.
That pathogens caused infection due to which diseases occur in the body.
Hence, Fourth option is correct.
