The first step in the development of a complex organism is the establishment of a pattern of cells with different states that can differentiate along different pathways. … [P]atterning processes require signalling between and within cells, leading ultimately to gene activation or inactivation. Such a process can lead to reliable patterns of cell activities only if all the cells have the same set of genes and obey the same rules<span> [</span>
In stem cell transplants, stem cells replace cells damaged by chemotherapy or disease or serve as a way for the donor's immune system to fight some types of cancer and blood-related diseases
Answer:
A
Explanation:
by definition, cell membrane receptor are specialized membrane proteins, allowing communication between the cell and the extracellular space.
Answer:
arrange the following statements about DNA live cricket in the correct order of complementary nitrogen base is added to organ in the end we can buy DNA polymer help the unit digit in DNA to begin the process of DNA replication r r n a presence in the place of brennan and direct DNA DNA fragments are sealed and lead to end of the process of
Humus is the passive fraction of soil organic matter. :)
The organic matter in humus is made of soil.
