Explanation:
SARS, Ebola, swine flu, rabies
Answer:
The answer is A.
Explanation:
The example experiment given in the question would be a valid experiment because there is more than one variable.
For an experiment to be valid, there have to be a dependent variable, an independent variable, a constant and a control aspect.
In the example, we can say that the independent variable which has the direct effect on the aspect that we are looking for, the freezing point, is the amount of salt in the water. Therefore the dependent variable is the freezing point which is the part being observed for any change. The constant can be the amount of water used because it is static and the control can be the temperature the mixtures are exposed to which does not change throughout the experiment.
Therefore the answer is option A.
I hope this anwer helps.
Answer:
For the first question I think it's C - The mRNA was not bound by a ribosome. I'm not 100% sure sorry if I'm wrong. I tried my best to figure it out.
Explanation:
For question two I think it's C- Replication replacing an amino group. I'm not 100% sure sorry if I'm wrong. I tired my best to figure it out.
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Answer:
b. can no longer undergo cell division.
Explanation:
Terminally differentiated cells are those cells completely specialized in their functions that have lost their ability to proliferate. They are cells that have a unique, very specific, function, whereas undifferentiated cells do not have specialized functions that serve to replace old and dead cells. Examples of terminally differentiated cells include skin cells derived from epithelial stem cells, red blood cells and white blood cells generated from hematopoietic stem cells, etc.