Answer:
D) Expressed in the stomach, but not in the cells of the small intestine
Explanation:
Answer:
In this case, the question asked is "To what lengths must we go to protect plants and animals?", which is not specific and cannot be used for scientific research.
The ecological researches for the safety of the environment involves the protection of the plants and the animals on the basis of their number and vulnerability to extinction. Almost all the length of the plants are ecologically important and can decrease in number due to the changes in the environment, the length is not a parameter to determine the protection boundary.
Any cells of the human body, except the cells of a placenta.
<span>D) composed of one or more eukaryotic cells</span>