B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.
Answer:
(D) all of the above
Explanation:
The rough endoplasmic reticulum is part of the endoplasmic reticulum, the other one is known as the smoother endoplasmic reticulum.
1. This rough endoplasmic reticulum is considered rough because it has ribosomes bound to it.
2. Also, it is part of the membrane system found throughout the cell's cytoplasm, even though its density is considered to be higher in some places, such as near the nucleus.
3. It is also is connected to the nuclear envelope or membrane
Some of its functions include
1. It produces antibody in certain leukocytes
2. It produces insulin in pancreatic cells
Hence, in this case, the correct answer is Option D "all of the above."
Answer:
a cell wall (because a plant cell is less rigid than an animal cell)
- a large central vacuole (where plant cells store water)
- chloroplasts (which plants use to carry out photosynthesis)
Explanation:
Adam Smith described self-interest and competition in a market economy as the "invisible hand" that guides the economy. This episode of the Economic Lowdown Podcast Series explains these concepts and their importance to our understanding of the economic system.
Answer:
the cell membrane is the semi-permeable protective cover that keeps the cell held together. the cytoplasm is semi-fluid within the cell membrane that keeps the cell in shape.
Explanation: