Answer:
C
Explanation:
As air passes through our own body causing respiration
The immune system has many kinds of white blood cells to fight infections. HIV finds the white blood cells, called CD4 cells. But with cancer the white blood cells are being killed off.
An experiment is where scientific data is gathered and analysed to form inferences. Moreover, we can establish a testing ground on the daphnia population, let say by embryology. Hence, we can observe ina controlled manner how temperature influences the growth and formation of offspring by mothers of the daphnia population considering that offspring can contribute to population growth.
Answer:
30%
Explanation:
Together, that is 40 percent of the total sample. You can subtract that 40 percent from 100 percent and determine 60 percent of the sample must be adenine and thymine together. Since those two bases always exist in equal concentrations, you know the DNA sample is 30 percent adenine.
