Answer:
C.
Explanation:
Here, surface area is the area of the outside of the cell, called the plasma membrane. The volume is how much space is inside the cell. The ratio is the surface area divided by the volume. This indicates how much surface area is available compared to how big the cell is.
Answer:
C. Plants must be able to increase their mass using substances in addition to what is found in soil
Explanation:
The plant increased its mass by 74.4 kg, and the mass of the soil decreased only by 54 g (less than 0.1 % the mass of the plant).
The plant must have gotten its mass from someplace other than the soil.
A is wrong. The plant gets its mass from someplace else.
B is wrong. Plants don't need soil as such, but they need the water that is in the soil.
D is wrong. The water contains no food. It is just water.
E is wrong. The experiment demonstrated nothing about oxygen.
Answer:
To visualise the DNA, the gel is stained with a fluorescent dye that binds to the DNA, and is placed on an ultraviolet transilluminator which will show up the stained DNA as bright bands. Alternatively the dye can be mixed with the gel before it is poured
Explanation:
Answer:
It depends on the mg of pill, weight of your body and your body tolerance level.