Considering bread production, the fermentation is caused by

carbolic acid
carbon dioxide
methane
ethane
carbon dioxide  

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The protein content which is extracted from mixed or pure cultures of yeasts, bacteria, algae, and fungi is called
A. triple cell protein
B. single cell protein
C. double cell protein
D. tetra cell protein
The 2nd step of genetic engineering is
A. growth of genetically modified organism
B. expression of gene
C. isolation of gene interest
D. insertion of gene into vector
Fermentation of powder is done by
A. bacteria
B. virus
C. yeast
D. rhizome
The third step of genetic engineering is
A. isolation of gene interest
B. insertion of gene into vector
C. transfer of recombinant DNA
D. expression of gene
The study of DNA helps to identify
A. inheritance
B. genes
C. patients
D. criminals
The restriction endonucleases enzyme is used to
A. cut the gene
B. ligase the gene
C. multiply the gene
D. copy the gene
A plasmid is the extra
A. chromosomal RNA
B. chromosomes DNA
C. gene
D. chromosome

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