Cell membrane is responsible
Answer:
Basement membrane
Explanation:
Epithelial tissues is one of the four types of tissues. They are widespread throughout the body and form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands .
They perform a lot of functions such as absorption, excretion, filtration, diffusion, and sensory reception.
They are anchored to the underlying connective tissue by basement membrane. A thin, fibrous, extracellular matrix of tissue.
The basement membrane acts as a mechanical barrier that prevents malignant cells from invading the deeper tissues.
A
There would bot be enough for everyone affected. The level of production is clearly insufficient to supply vaccines to all countries.Only a limited number of vaccine does would be available, particularly in the early stages of pandemic and most of them would be supplied to industrialized countries. Developing countries will be forced to confront the next pandemic with few or no available vaccines.
Answer:
Do you know what the Law of Conservation of mass says? Matter is neither created nor destroyed. Therefore, you have started with 12.7 g Cu and 3.2 g S on the left for a total of 15.9 g; therefore, you must obtain 15.9 g of product(s). If Cu2S is the only product there must be 15.9 g Cu2S.