Explain why only bacteria and not eukaryotes can produce polyribosomes.
Q: Define nucleosomes.
A: Chromosomes are long-thread like structures that carry coded genetic information in the form of…
Q: Contrast the sizes of the chromosomes of bacteriophage l and T2with that of E. coli, and compare the…
A: Chromosomes are thread-like structures that are present inside the nucleus of the plant and animal…
Q: What do you mean by Error-Prone Repair by Nonhomologous End Joining?
A: Non-homologous end joining (NHEJ) is a pathway that repairs double strand breaks in DNA. NHEJ is…
Q: Draw a nucleosome, indicating the positions of DNA andproteins.
A: All organisms have genomes that are very large in comparison to the size of their cells. The large…
Q: what is telomerase
A: All cellular systems are controlled by proteins. Proteins are synthesized by the cell by a process…
Q: Describe the function and molecular structure of a telomere.
A: All cellular systems are controlled by proteins. Proteins are synthesized by the cell by a process…
Q: Describe two main reasons why the proteomes of eukaryotes are usuallymuch larger than their genomes.
A: Answer- Proteome is the complete set of proteins present in a cell or in an organism. The proteins…
Q: how can the chromosome packaging inside the nucleolus *
A: Chromosomal DNA is packaged inside microscopic nuclei with the help of histones. These are…
Q: Explain the term heterochromatin ?
A: Deoxyribonucleic acid (DNA) is a double stranded polynucleotide chain. Both the strands coil around…
Q: What is the reason that eukaryotic cells require telomerase, but bacterial cells do not?
A: Telomerase is also known as a terminal transferase. it is a ribonucleoprotein that is required to…
Q: How is the large discrepancy between DNA length and nucleus size addressed in eukaryotic cells?
A: To fit in the nucleus of every cell, DNA is tightly packed. Nucleosomes are formed when DNA…
Q: Explain why telomeres and telomerase are needed for replication of eukaryotic chromosomes but not…
A: Both eukaryotes and prokaryotes have their DNA packed in chromosomes. Prokaryotic chromosomes are…
Q: Explain linker domain
A: In order to stay intact in cells, some proteins occur in complex with the binding partners They…
Q: Define nucleocapsid.
A: Viruses are acellular, that is, biological organisms that have no cellular structure. The majority…
Q: Eukaryotic chromosomes have multiple origins of replication. Why would this be the case?
A: Eukaryotic chromosomes have multiple origin of replication while the prokaryotic chromosomes have…
Q: Explain how replication of the DNA in long eukaryoticchromosomes can occur in a short period of…
A: The DNA replication is the biological process of generating two similar replicas of DNA from one…
Q: How does the 1200-μm-long chromosome of E. coli fit into a bacterial cell 2.0 * 0.5 μm long?
A: Escherichia coli is a Gram-negative, rod-shaped bacterium. It is a facultative anaerobe that is…
Q: Explain why the bending of the double helix to form a superhelix falls into the area of geometry or…
A: Nucleic acids are important biomolecules. Nucleic acids are of two types. These are DNA…
Q: explain why DNA polymerase 3 and not dna polymerase 1 is responsible for replicating the bacterial…
A: Replication is a process where the genome is duplicated into it's exact copy. In bacteria,…
Q: Does Z-DNA have major and minor grooves? Explain.
A: Answer
Q: Why bacterial chromosome is circular?
A: Bacteria are single celled microorganisms and their cell structure is simpler than the other…
Q: why only bacteria can form polyribosomes a
A: Prokaryotes can be defined as the microscopic single-celled organism that does not consist of a…
Q: Explain the structure of an eukaryotic chromosomes.
A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are…
Q: how can the chromosome packaging inside the nucleolus
A: Histones generally define that they are been helped the chromosomal DNA to be packed inside tiny…
Q: Outline Chargaff's rule and give a detailed description of the B form of cellular DNA
A: DNA (Deoxyribonucleic acid) is a genetic material and it carries genetic information from one cell…
Q: Identify the leading and lagging strands for each (A through D) in the figure below. origin A 5' 3'…
A:
Q: Given the diagram of the replication fork below, indicate the chemical group (5'-P, 3'-P, 3'-OH or…
A: Replication is the process of duplication of DNA. It is a highly efficient process that requires a…
Q: Why is telomerase used by some eukaryotic cells but not prokaryotic cells? Clearly explain what the…
A: a. Telomere is and end of a chromosome. They are only present in eukaryotes but not in prokaryotes…
Q: Describe nucleosome supercoiling
A: Nucleosomes-In eukaryotes the DNA packaging process involves the histone proteins to create a…
Q: A polyribosome helps the cell to make multiple copies of the same polypeptide in a shorter time…
A: Ribosomes are present in the cytoplasm and on the surface of the nuclear envelop and endoplasmic…
Q: Do bacteria require telomerase? Explain why or why not
A: No, Bacteria do not require telomerase.
Q: The structure that gives terminal : stability of chromosomes is
A: A chromosome is a thread-like structure that is composed of DNA. They are found in the nucleus of…
Q: Write the base sequence that would be sticky with the sequence T-A-T-G-A-C-T.
A: Erwin Chargaff discovered the complementary base pair rule. according to the chargeoff base-pairing…
Q: Define Z-form DNA?
A: Deoxyribonucleic acid (DNA) is the genetic material of most organisms. DNA contains the instructions…
Q: Aside from the bacterial chromosome where may DNA be found in a prokaryotic cell and what ways is…
A: Prokaryotes are unique in possessing extra-chromosomal DNA called as PLASMIDS. Plasmids are…
Q: Given the following DNA sequence: 5’-ATGCGGCCAAGGTCAGAGTGACA-3’ a) If this DNA strand represents…
A: Given the following DNA sequence: 5’-ATGCGGCCAAGGTCAGAGTGACA-3’ a) Sense strand is also known as…
Q: Explain why a particular gene might be present in heterochromatin in one cell and euchromatin in…
A: The expression of gene is called the transformation process that is responsible for the production…
Q: Describe the structure of a nucleosome, the basic unit ofDNA packing in eukaryotic cells.
A: If we can have a view inside the nucleus through electron microscopy, we can see the DNA is…
Q: explain why the prokaryotic and eukaryotic chromosomes differ in their respective coding density
A: The cells are the primary unit of life. Unicellular organisms lack the cellular organelles like…
Q: Explain why telomeres and telomerase are needed for replication of eukaryotic chromosomes but not…
A: Prokaryotic chromosomes consists of circular DNA which are covalently closed whereas eukaryotic…
Q: The octamer core of nucleosomes contains: а. 4H2A, 4HB, 2нз, 2H4 b. 2H2A, 2HB, 2нЗ, 2H4
A: Nucleosome is the basic structural unit of DNA packaging in eukaryotes. The structure of the…
Q: If the rate of replication in a particular prokaryote is 900 nucleotides per second, how long would…
A: DNA replication a process by which DNA makes copies of itself and this process requires lots of…
Q: What size DNA fragment would be released after very mild digestion of chromatin with micrococcal…
A: Introduction Micrococcal nuclease in as example of endo-exonuclease which is obtained from…
Explain why only bacteria and not eukaryotes can produce polyribosomes.
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