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

1 Answer

Answer :

(3) These are composed of ribonucleic acid and proteins

Related questions

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 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 : In contrast to Eukaryotic mRNA, prokaryotic mRNA is characterized by (A) Having 7-methyl guanosine triphosphate at the 5’ end (B) Being polycystronic (C) Being only monocystronic (D) Being synthesized with introns

Last Answer : Answer : A

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 : In eukaryotic cells, ribosomes are A.70S B.60S C.80S D.Not specific

Last Answer : C.80S

Description : In eukaryotic cells, ribosomes are A- 70S B- 60S C- 80S D- Not specific

Last Answer : 80S

Description : Distinguish the ribosomes of prokaryotic cells from that of eukaryotic cells. -Biology

Last Answer : answer:

Description : In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the (a) ribosomes (b) nucleus (c) dictyosomes (d) ER

Last Answer : (a) ribosomes

Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Last Answer : C.80S ribosomes are distributed in cytoplasm

Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Last Answer : 80S ribosomes are distributed in cytoplasm

Description : What is the difference between eukaryotic and prokaryotic ribosomes? -Biology

Last Answer : answer:

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 : The common features of introns include all the following except (A) The base sequence begins with GU (B) The base sequence ends with AG (C) The terminal AG sequence is preceded by a purine rich tract of ten nucleotides (D) An adenosine residue in branch site participates in splicing

Last Answer : Answer : C

Description : Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Last Answer : (a) looping

Description : Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Last Answer : d) splicing.

Description : Which cell organelle is found in both prokaryotic and eukaryotic cells?

Last Answer : Ans. Ribosome

Description : In eukaryotic cells (A) Formylated tRNA is important for initiation of translation (B) Cyclohexamide blocks elongation during translation (C) Cytosolic ribosomes are smaller than those found in prokaryotes (D) Erythromycin inhibits elongation during translation

Last Answer : Answer : B

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 : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Last Answer : Gas vacuoles are present

Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Last Answer : (d) free ribosomes and RER.

Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Last Answer : (4) Free ribosomes and RER

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 prokaryotic and eukaryotic cells?

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 prokaryotic and eukaryotic cells?

Last Answer : A: Prokaryotic cells do not have a nucleus or other membrane-bound organelles, while eukaryotic cells do.

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Last Answer : The answer is 'Glyoxysomes'

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Last Answer : answer:

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Last Answer : answer:

Description : Which cells undergo cell divisionA. cells do not undergo cell divisionB. prokaryotic cells onlyC. cancer cells onlyD. both prokaryotic and eukaryotic cellsE. None of these answers are correct?

Last Answer : Both prokaryotic and eukaryotic

Description : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid.

Last Answer : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid. A. If both As and R are correct and R ... wrong D. If both As and R are wrong.

Description : What are characteristics of prokaryotic cells and eukaryotic cells?

Last Answer : they are both the same

Description : What are characteristics of prokaryotic cells and eukaryotic cells?

Last Answer : they are both the same

Description : Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes

Last Answer : (1) Mitochondria Explanation: Mitochondria are semiautonomous organelles that likely began as freestanding prokaryotes that invaded eukaryotic cells more than a billion years ago. A symbiotic ... lost the capacity for independent existence but became indispensible to the eukaryotic cells.

Description : Plasmid has been used as vector because (a) it is circular DNA which have capacity to join to eukaryotic DNA (b) it can move between prokaryotic and eukaryotic cells (c) both ends show replication (d) it has antibiotic resistance gene.

Last Answer : (a) it is circular DNA which have capacity to join to eukaryotic DNA

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells?

Last Answer : Glyoxysomes

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 : Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells ? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes

Last Answer : Mitochondria

Description : Where is ATP produced in prokaryotic cells? a. In The Mitochondria b. In The Chloroplast c. On The Cell Membrane d. On The Ribosomes

Last Answer : b. In The Chloroplast

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

Last Answer : Answer : B

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 : 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 : Which of the following statement(s) is/are true concerning the cell plasma membrane? a. The plasma membrane is composed of amphipathic molecules b. The hydrophobic core of the lipid bilayer of the ... contribute to the cell coat d. The membrane proteins of nerve cells are highly voltage-dependent

Last Answer : Answer: a, b, d The plasma membrane defines the boundary of the cell and serves to contain and concentrate enzymes and other macromolecule constituents. The plasma membrane is ... and bear carbohydrate moieties primarily as oligosaccharide chains that contribute to the cell coat or glycocalyx

Description : In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above

Last Answer : all above

Description : Thermococcus, Methanococcus and Methano- bacterium exemplify (a) bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria (b) bacteria that ... that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

Last Answer : (c) archaebacteria that contain protein homologous to eukaryotic core histones

Description : Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in ... endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Last Answer : found in vesicles and secretory granules

Description : Acid hydrolysis of ribonucleic acid would yield the following major products: (A) d- deoxyribose, cytosine, adenine (B) d-ribose, thymine, Guanine (C) d-ribose, cytosine, uracil, thymine (D) d-ribose, uracil, adenine, guanine, cytosine

Last Answer : Answer : D

Description : What is self-catalytic RNAs? 

Last Answer : Ribozymes - The term "ribozyme" was originally suggested by Thomas R. Cech, Nobel Prize winning biochemist, who first discovered this class of RNA molecules. A ribozyme is an RNA molecule that ... is catalyzed by the 23S ribosomal RNA, a potential ribozyme, rather than ribosomal proteins.  

Description : AN Eukaryotic ribosome is made up of ________ sub unit. (A) 40S and 60S (B) 40S and 50S (C) 40S and 80S (D) 60S and 80S

Last Answer : Answer : A

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.

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.