A scientist wants to perform a test that will indicate wether a nulciec acid sample is composed of RNA or DNA. Testing for the presences of which of the following is most approite in this situation?A) phosphate
B) nitrogen
C) guanine
D) uracil
E) thymine

What is histamine and what is its role in allergic reactions

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy