D
Embryonic stem cells are capable of self-renewal and unlimited differentiation.
Explanation:
An embryo is at the earliest stages in the growth and development of a higher organism. The cells of an embryo are pluripotent meaning that at the stage, they can differentiate into any type of cell of the organism. Therefore these cells are not determined and are referred to as stem cells. These cells are also self-renewing meaning that the cells can divide more stem cells.
Over time, these cells will begin to differentiate into tissues, organs, organ systems and ultimately into the whole organism. Some of the cells like the nerve,blood and muscle cells will also lose their self-renewal capacity.
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Answer:
A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms.
Explanation:
<span>B is the correct answer. The enzymes that the lysosome emits to digest waste in the cell are made in the Golgi apparatus. </span>
Producers are always found at the lowest trophic level because they are the foundation of the foodweb. Which means that in the ocean you will find producers like algae and fungi because they dwell in the bottom as producers.
