Description : In contrast to eukaryot ic mRNA , prokaryotic mRNA (A) Can be polycistronic (B) Is synthesized with introns (C) Can only be monocistronic (D) Has a poly A tail
Last Answer : Answer : A
Description : 5’-Terminus of mRNA molecule is capped with (A) Guanosine triphosphate (B) 7-Methylguanosine triphophate (C) Adenosine triphosphate (D) Adenosine diphosphate
Last Answer : Answer : B
Description : All of the following statements about post-transcriptional processing of tRNA are true except (A) Introns of some tRNA precursors are removed (B) CCA is added at 3′ end (C) 7-Methylguanosine triphosphate cap is added at 5′ end (D) Some bases are methylated
Last Answer : Answer : C
Description : In RNA moleule ‘Caps’ (A) Allow tRNA to be processed (B) Are unique to eukaryotic mRNA (C) Occur at the 3’ end of tRNA (D) Allow correct translation of prokaryotic mRNA
Description : What is true about ribosomes? (a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient. (b) These are composed of ribonucleic acid and proteins. (c) These are found only in eukaryotic cells. (d) These are self-splicing introns of some RNAs
Last Answer : (b) These are composed of ribonucleic acid and proteins.
Description : What is true about ribosomes ? (1) These are self - splicing introns of some RNAs (2) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient (3) These are composed of ribonucleic acid and proteins (4) These are found only in eukaryotic cells
Last Answer : (3) These are composed of ribonucleic acid and proteins
Description : Which one of the following is common between prokaryotic and eukaryotic chromosomes? a. Presence or absence of introns. b. Loop or linear chromosomes. c. Genetic recombination occurrence in RNA. d. Mutations occur in the DNA.
Last Answer : d. Mutations occur in the DNA.
Description : What is a difference between prokaryotic and eukaryotic cells in making protein? a. Eukayotes have introns that stay inside the nucleus b. Prokaryotes can transcribe and translate at the same time c. the process is faster in prokaryotes d. A-C are correct
Last Answer : d. A-C are correct
Description : Post-transcriptional modification of hnRNA involves all of the following except (A) Addition of 7-methylguanosine triphosphate cap (B) Addition of polyadenylate tail (C) Insertion of nucleotides (D) Deletion of introns
Description : Splice sites are present in (A) Prokaryotic mRNA (B) Eukaryotic mRNA (C) Eukaryotic hnRNA (D) All of these
Description : Post-transcriptional modification does not occur in (A) Eukaryotic tRNA (B) Prokaryotic tRNA (C) Eukaryotic hnRNA (D) Prokaryotic mRNA
Last Answer : Answer : D
Description : One of the following is not used as a second messenger by hormones: (A) mRNA (B) cAMP (C) Calcium ions (D) Myoinisotol 1, 4, 5 triphosphate
Description : mRNA of prokaryotes can code for (A) More than one polypeptide (B) Only one polypeptide (C) Many exons and introns (D) Introns only
Description : DNA finger printing is based on the presence in DNA of (A) Constant number of tandem repeats (B) Varibale number of tandem repeats (C) Non-repititive sequences in each DNA (D) Introns in eukaryotic DNA
Description : Diphtheria toxin inhibits (A) Prokaryotic EF-1 (B) Prokaryotic EF-2 (C) Eukaryotic EF-1 (D) Eukaryotic EF-2
Description : CAAT box is present in (A) Prokaryotic promoters 10 bp upstream of transcription start site (B) Prokaryotic promoters 35 bp upstream of transcription start site (C) Eukaryotic promoters 25 bp upstream of transcription start site (D) Eukaryotic promoters 70–80 bp upstream of transcription start site
Description : Hogness box is present in (A) Prokaryotic promoters (B) Eukaryotic promoters (C) Both (A) and (B) (D) None of these
Description : Pribnow box is present in (A) Prokaryotic promoters (B) Eukaryotic promoters (C) Both (A) and (B) (D) None of these
Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses
Description : In a eukaryotic microbe, those sections of a primary RNA transcript that will NOT be translated are called a. Introns. b. Anticodons. c. ―Jumping Genes.‖ d. Exons.
Last Answer : a. Introns.
Description : The structure within a cell that distinguishes the cell as being eukaryotic, and prokaryotic is (A) Ribosomes (B) Cell membrane (C) Cell wall (D) Nucleus
Last Answer : (D) Nucleus
Description : Thymine is present in (A) tRNA (B) Ribosomal RNA (C) Mammalian mRNA(D) Prokaryotic mRNA
Description : Ribosomes match up the ______ of the mRNA and the ______ of the tRNAs. a. codons; anticodons b. introns; exons c. anticodons; codons d. genes; anticodons
Last Answer : a. codons; anticodons
Description : For production of eukaryotic protein by recombinant DNA technology in bacteria, the template used is (A) Eukaryotic gene (B) hnRNA (C) mRNA (D) All of these
Description : Eukaryotic initiation factors 4A, 4B and 4F bind to (A) 40 S ribosomal subunit (B) 60 S ribosomal subunit (C) mRNA (D) Amino acyl tRNA
Description : 1. Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? 2. What is the minimum age for election/appointment as member of the Rajya Sabha ? 3. When milk is churned ... the earth's surface? 20. During which movement was Mahatma' added before Gandhiji's name?
Last Answer : Answer : 1. Glyoxysomes 2. 30 years 3. Due to the centrifugal force 4. North-western 5. Portuguese 6. 1969 7. Mercury vapour 8. Clawed wings, teeth on jaw, tail 9. Katabatic ... . Southern Blotting 17. Nitrogen fixing bacteria 18. Mrs. Sarojini Naidu 19. Marine Ecosystem 20. Champaran satyagraha
Description : What is the difference between prokaryotic and eukaryotic cells?
Last Answer : Prokaryotic cells are smaller and simpler, lacking a nucleus and membrane-bound organelles. Eukaryotic cells are larger and more complex, containing a nucleus and other membrane-bound organelles.
Description : What is the difference between a prokaryotic and eukaryotic cell?
Last Answer : A: Prokaryotic cells are simpler in structure and lack a nucleus and other membrane-bound organelles, while eukaryotic cells are more complex and have a nucleus and other membrane-bound organelles.
Last Answer : A: Prokaryotic cells are smaller and simpler than eukaryotic cells, and lack a nucleus and other membrane-bound organelles found in eukaryotic cells.
Description : What is the difference between a prokaryotic cell and a eukaryotic cell?
Last Answer : A: Prokaryotic cells are smaller and simpler than eukaryotic cells, lacking a true nucleus and membrane-bound organelles, while eukaryotic cells are larger and more complex, with a true nucleus and various membrane-bound organelles.
Description : What is the difference between a prokaryotic and a eukaryotic cell?
Last Answer : A: Prokaryotic cells are cells that lack a true nucleus and other membrane-bound organelles, while eukaryotic cells have a true nucleus and membrane-bound organelles.
Description : What is the difference between a prokaryotic and a eukaryotic organism?
Last Answer : A: Prokaryotic organisms are unicellular organisms that lack a nucleus and other membrane-bound organelles, while eukaryotic organisms can be unicellular or multicellular and have a nucleus and other membrane-bound organelles.
Last Answer : A: Prokaryotic cells are small, simple cells that lack a nucleus and other membrane-bound organelles, while eukaryotic cells are larger, more complex cells that have a nucleus and other membrane-bound organelles.
Last Answer : A: Prokaryotic cells are simpler in structure and lack a distinct nucleus and other membrane-bound organelles, while eukaryotic cells have a more complex structure that includes a nucleus and various membrane-bound organelles.
Last Answer : A: Prokaryotic cells are simple cells that lack a nucleus and other membrane-bound organelles, while eukaryotic cells are complex cells that contain a nucleus and other membrane-bound organelles.
Last Answer : A: Prokaryotic cells are simple, single-celled organisms that lack a nucleus and other membrane-bound organelles, while eukaryotic cells are more complex, multicellular organisms that have a nucleus and other membrane-bound organelles.
Last Answer : A: Prokaryotic cells are smaller and simpler than eukaryotic cells, and lack a nucleus and membrane-bound organelles. Eukaryotic cells are larger and more complex, and contain a nucleus and various membrane-bound organelles.
Last Answer : A: Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and membrane-bound organelles.
Description : What is the difference between a prokaryotic and eukaryotic chromosome?
Last Answer : A: Prokaryotic chromosomes are typically circular and do not have associated proteins, while eukaryotic chromosomes are linear and are associated with histone proteins.
Last Answer : A: Prokaryotic cells do not have a nucleus or other membrane-bound organelles, while eukaryotic cells do.
Description : What features distinguish a prokaryotic cell from a eukaryotic cell? -Biology
Last Answer : answer:
Description : Distinguish the ribosomes of prokaryotic cells from that of eukaryotic cells. -Biology
Description : What is the difference between eukaryotic and prokaryotic ribosomes? -Biology
Description : Difference between a prokaryotic cell and a eukaryotic cell? -Biology
Description : Is cytoskeleton prokaryotic or eukaryotic? -Biology
Description : Difference between prokaryotic and eukaryotic transcription -Biology