The ecosystem is an ecological system consisting of all of its biotic and abiotic factors
Answer:
D. They rented farmland from white landowners.
Explanation:
Answer:
Pancreas secrets two hormones called insulin and glucagon which helps in maintaining the glucose level in the blood.
Explanation:
Pancreas secrets a hormone called as insulin, which helps the cell in absorbing the glucose by reducing the blood sugar and providing glucose for energy. On falling of the sugar level pancreas releases a hormone called glucagon. This glucagon informs the pancreas about the presence of low sugar in blood, after which it releases the stored glucose, and helps in raising the blood sugar level. Alpha cell of pancreas produces glucagon.
DNA is the molecule, which is the source of information for transcription.
• During the process of transcription, RNA polymerase is an enzyme, which is accountable for copying a sequence of DNA into a sequence of RNA.
• The RNA polymerase monitors the phenomenon of transcription.
• At the time of transcription, the information is stored within a molecule of DNA, which is further copied into a new molecule of messenger RNA.
Thus, the correct answer is DNA.
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