In eukaryotes, the template strand for synthesizing new RNA strand is in 3 to 5
ID: 176037 • Letter: I
Question
In eukaryotes, the template strand for synthesizing new RNA strand is in 3 to 5 orientation a. TRUE b. FALSE The transcriptional start site (+1) is usually located at the 3 end of coding region. Promoter proximal elements are located downstream of TATA box. a. TRUE b. FALSE Polyscistronic m-RNAs are commonly found in eukaryotes and they are rarely seen in prokaryotes. a. TRUE b. FALSE Which of the following is not found in eukaryotic gene is/are transcribed? a. only the exons b. only the introns c. both the exons and introns d. exons, introns, promoter, and terminator In eukaryotes, transcription take place inside the nucleus. a. TRUE b. FALSE In eukaryotes, the processing of m-RNA take place in the cytoplasm. a. TRUE b. FALSE In eukaryotes, the processing of m-RNA takes place in the cytoplasm. A. TRUE. b. FALSE In lace operon, the repressor protein binds to__. a. lactose b. another protein c. transcriptional start site d. operator One-gene-one-enzyme hypothesis was proposed by Watson and Crick. a. TRUE b. FALSE Hemoglobin has a total of 4 beta polypetides. a. TRUE b. FALSE In a hemoglobin molecule, the allele for normal beta polypeptide is a. beta^b. B- c. beta^+ d. beta^h e. bb Only one type (normal or mutant) of beta polypeptide can be found in a given hemoglobin molecule. a. TRUE b. FALSE Sickle-cell trait or sickle-cell anemia is caused by a mutation in which the base 'A' is replaced by the base 'C'. a. TRUE b. FALSE In lac operon, __structural genes are driven by a single promoter. a. 1 b.2 c. 3 d. 4 e. 5 The genotype of normal people (without sickle-cell anemia or sickle-cell trait) is__. a. beta^A beta^A b. beta^s beta^s c. beta^A beta^S d. b and c are correct e. none of these are correctExplanation / Answer
17. Promoter proximal elements are located downstream of TATA box - b. False
18. Polycistronic mRNA are commonly found in eukaryotes and t hey are rarely seen in prokaryotes. b. False
21. In eukaryotes, transcription takes place inside the nucleus. a. True
23. In lac operon, the repressor protein binds to the - d. opertaor.