Answer:
False.
Explanation:
The membrane potential may be defined as the difference in the electric potential of the cell between the outside and inside environment. The unequal distribution of ions is responsible for membrane potential.
Different cells that carries the resting membrane potential are nerve cell, muscles cell and many more. The resting membrane potential of nerve cell is -70mV.
Thus, the correct answer is option (b).
Answer:Both birth rate and death rate will decrease.
Explanation:
Demographic transition: The process whereby a country moves from high birth and death rates to relatively low birth and death rates.
The decline in death rate is due to better economic and social conditions of the country which leads to control of pre-existing diseases, better medical facilities,more food production,increased jobs,better sanitation and hence better quality of life.
Decline in birth rate is due to improved quality of life and also could be due to availability of family planning services in highly developed countries.Moreover access to education especially in female population has created awareness regarding birth control.
I believe the answer is smelting not sure
Many rickettsia are PATHOGENS.
Pathogens are micro organism that cause diseases and rickettsia are majorly disease causing organisms. They are rod shaped bacteria and most species are gram negative. They are natural parasite of some arthropods and they cause diseases in both humans and animals.
Answer:
1 factor deffer which is independent variable which is controled in control groups
