According to Chargaff's rule of base pairing, which of the following is true about DNA? O A=G and C=T
O A=T and C=G
O A=T=G=C
O A=C and G=T

Football players often sustain lateral blows to the extended knee. which of the ligaments is (are) damaged as a result? a. suprapatellar b. oblique popliteal and extracapsular ligament c. medial collateral, medial meniscus, and anterior cruciate d. arcuate popliteal and the posterior cruciate

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

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation