Answer:
a. Only the DNA of β cells contains the gene for insulin; only the DNA of chief cells contains the gene for pepsinogen
Explanation:
As stated in the question above, insulin production is exclusive to β cells in the pancreas. This is because only these cells have a gene that manages the production and excretion of insulin within an organism. Similarly, only the main cells of the stomach have the capacity to produce pepsinogen, which indicates that the gene responsible for managing this production is unique to these cells.
Answer:
A
Explanation:
During respiration organisms use up oxygen given off by plants and give off carbon dioxide as by product
Answer:
The correct answer would be gray water.
Explanation:
Graywater is used water from all over buildings and houses including their bathroom sinks, tubs, showers and other. This water not contacted with feces or from the toilet.
It may contain dirt, grease, and certain household cleaning products and still able to recycle.
Thus, the correct answer would be gray water.
Answer:
Soil
Explanation:
Ecological succession, which refers to the series of changes that occurs in an ecosystem over time, is of two types viz: primary succession and secondary succession. In primary succession, a new or barren area (usually a rocky surface) is colonized by organisms such as lichens called PIONEER SPECIES.
However, in secondary succession, an ecological disturbance such as natural disasters disrupt the ecosystem causing the area, which was made void, to be recolonized by organisms. Note that, despite the disturbances, a key factor which is SOIL is still present in the environment to sustain the growth of the recolonizing organisms in secondary succession
The answer is A. Differentiation