what is the characteristics of the germ-free mice ？
A: GF mice require 30% more calories than SPF mice
B: GF mice require 30% less calories than SPF mice
C: GF mice require almost the same calories than SPF mice
D: No definite phenotype.
A: GF mice require 30% more calories than SPF mice
B: GF mice require 30% less calories than SPF mice
C: GF mice require almost the same calories than SPF mice
D: No definite phenotype.
举一反三
- MICE represents the combination of Meetings, Incentives, Conferences and Exhibitions(MICE) （ ）
- mice ________%
- The mice with cherry red skin were ( ) A: Hypoxic rats B: carbon monoxide poisoning C: sodium nitrite poisoning D: Potassium cyanide poisoning mice E: normal mice
- The acronym “MICE” came into being in the mid 1990s, it's fully recognized that the term MICE relates to meetings,______ ,______ ,______ .
- MICE是指（）、（）、（）、（）。