It is true that a mixed reference "locks" one part of the cell reference while the other part can change. Mixed reference contains both relative and absolute references, where mixed reference locks one part and while the other can change. when one enters a formula into a cell, Excel interprets cell references in the formula in relation to a cell's location. In excel the numbers, text, or cell references used by the functions to return a value.
Answer:
Its probably option A (I think).
They attach to the membrane at specific receptor sites. Once attached the virus injects its DNA or RNA into the cell. Enveloped viruses are enclosed in a membrane similar to that of the host cell. The virus and the envelope fuse and the virus enters the cell through endocytosis. To make it easier viruses hijack a cell then they inject their genetic material into the cell and try to take over then it uses the cell to make more
Answer:
Greenhouse effect is a natural process that warms up earth's atmosphere. Sun radiations when hit the ground are absorbed and some reflected back to the atmosphere and absorb by the greenhouse gases. ... But due to excessive human activities, greenhouse effect is high and making the earth hotter
Explanation:
The liver is the main site