A.G＞A＞T＞C B.A＞T＞G＞C C.C＞G＞T＞A D.G＞C＞A＞T
A.103拷贝/ml B.104拷贝/ml C.102拷贝/ml D.105拷贝/ml
A.鸟嘌呤 B.尿嘧啶 C.胸腺嘧啶 D.腺嘌呤
A.Friderick Griffith B.Alfred Hershey C.Martha Chase D.Oswald Avery
微信扫一扫关注公众号后联系客服
微信扫码免费搜题
