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:
Therefore, undertows must contribute to the slowing down of incoming waves and the buildup of water molecules that cause the waves to increase in height. Extra-large breakers are crashing into the surf.
Explanation:
Answer:
Helicase
Explanation:
Helicases are enzymes. They break the hydrogen bonds, using ATP energy, between the nitrogenous bases of the two strands. This allows the DNA polymerase of RNA polymerase to access single-stranded DNA for replication and transcription respectively.
Answer: when one is lost, one is formed
