题目内容

Amino acid chains built by the ribosome in the RER then move to

A. Golgi apparatus
B. lysosome
C. cytoplasm
D. mitochondria

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Traditions Clothing Store is having a sale. Shirts that were regularly priced at $20 are on sale for $17.what is the percentage of decrease in the price of the shirts? () A. 3% B 15% C 18% D 85%

A. 15%
B. 18%
C. 85%

18% , and the true value is 80.13%,could you find the absolute error of measurable result? ( )

A. 0.05
B. -0.05
C. 0.05%
D. -0.05%

The electron configuration of element 25 is [] 3d54s2, then it is in () period of periodic table.

A. 2
B. 3
C. 4
D. 5

What is the conjugate acid of HCO3-? ( )

A. CO32-
B. H2CO3
CO2
D. H2O

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