to give birth to youg one
Answer:
<em>Hello There the correct answer A change in the size of a population over a given period of time is that population's The growth rate is the birth rate minus the death rate. Over time, the growth rates of populations change because birth rates and death rates increase or decrease. Growth rates can be positive, negative, or zero.</em>
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Students should always wear goggles in the laboratory
Answer:
The correct answer is D. production of new cell-surface proteins with a different molecular structure by each new generation
Explanation:
Trypanosomes infections is famous for evading the immune response of the body because it has the ability to make change in its variant surface glycoprotein having different molecular weight and this phenomenon is called antigenic variation.
So adaptive immune system is not able to recognize the trypanosome by its glycoprotein because the old surface glycoprotein against which the memory cells were produced previous time is now changed.
Therefore the immune system will not recognize the new generation of trypanosome with different variants of cell surface glycoprotein. Therefore the right answer is D.
Answer:
Strategies to Repair the Nervous System. The nervous system is a complex organ made up of nerve cells (also called neurons) and glial cells, which surround and support neurons
