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【单选题】工化 2.4.6 同温同体积下,在 A 和 B 混合气体中,若混合气体总压力为 101.3 kPa , B 的摩尔分数为 0.200 ,则 A 的分压为 ( )
A.
20.2 kPa
B.
81.0 kPa
C.
85.1 kPa
D.
101.3 kPa
【单选题】What will happen if the amino acid sequence is used directly for primer designing?
A.
There would be certainty because the genetic code is unique for each amino acid
B.
There would be uncertainty as the genetic code is degenerate and none of the amino acid is having a unique code
C.
There would be uncertainty as the genetic code is degenerate but some of the amino acids such as methionine are having a unique codon
D.
The amount of uncertainty or certainty is a matter of chance
【简答题】下列程序段的输出结果是 _______ 。 void main() { int a=1,b=1,c=1; a+=b; b+=c; c+=a; printf("(1)%d\n",a>b?a:b); printf("(2)%d\n",a>c?a--:c++); (a>=b>=c)?printf("AA"):printf("CC"); printf("\na=%d,b=%d,c=%d\n",a...
【单选题】下列程序段的输出结果是()。 int aa[4][4]={{1,2,3,4},{5,6,7,8},{3,9,10,2},{4,2,9,6}}; inti,s=0; for(i=0;i<4;i++) s+=aa[i][1]; printf("%d\n",s);
A.
11
B.
19
C.
13
D.
20
【单选题】What will break an ionic bond between amino acids?
A.
condensation
B.
hydrolysis
C.
low temperature
D.
pH change
【简答题】下列程序段的输出结果是()。int aa[4][4]={{1,2,3,4},{5,6,7,8},{3,9,10,2},{4,2,9,6}};int i,s=0;for(i=0;i<4;i++)s+=aa[i][1];printf("%d\n",s);A. 11 B. 19 C. 13 D. 20
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