A polyribosome helps the cell to make multiple copies of the same polypeptide in a shorter time true or false ?

Q: To define an SMC (structure maintenance of chromosomes) complex and give two example.

A: Introduction  Chromosomes are thread-like structures found within the nucleus of both animal and…

Q: Why do chromosomes have moredifferent types of nonhistone than histone proteins?

A: Both histones and non-histones are proteins that contribute to the DNA structure. These are the main…

Q: Unequal crossing-over can increase ordecrease ___________- number

A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…

Q: Why Heterochromatin spreads linearly?

A: Heterochromatin refers to the part of the chromosomal regions that appear dark due to the…

Q: Because DNA polymerase cannot copy the 5′ ends oflinear DNA molecules, chromosomes will shorten…

A: DNA (deoxyribonucleic acid) is defined as the self-replicating material that carries genetic…

Q: What is the difference between heterochromatin and euchromatin? What accounts for (or causes) the…

A: The chromosomes appear as a mass of greatly fine tangled string called "chromatin." Chromatin is…

Q: Letter 'a' corresponds to 3' 5' 5' 9. 3' 5' parental strands. daughter strands. O leading strand.…

A: Replication fork - It forms inside the long helical of DNA during the process of replication of DNA.…

Q: Briefly describe a summary of the flow of genetic information in cells with diagram.

A: Gene expression is that the method the cell uses to provide the molecule it desires by reading the…

Q: if base 4 is adenine, what is base 11'  ?

A:

Q: Which type/s of histones is/are not part of the histone octamer wrapped by DNA strands but is found…

A: Histones proteins are present as octamer (eight) complex at the center of nucleosome. It consist of…

Q: A son and his mother both have an inherited disorder that affects the nervous system. How would you…

A: Any abnormality in the nervous system structure and function that can be passed from one generation…

Q: Explain the term heterochromatin ?

A: Deoxyribonucleic acid (DNA) is a double stranded polynucleotide chain. Both the strands coil around…

Q: Letter 'c' corresponds to 5' 5' 3' 5' 3' 5' leading strand. daughter strands. lagging strand.…

A: Replication is the process in which the DNA is copied in the cell. The figure represents the typical…

Q: Eukaryotic genomes have many copies of genes H1, H2A, H2B, and H3, but some copies have accumulated…

A: This question is based on mutations and genome.

Q: The analysis of individual nucleosomes reveals that each unit contained one copy of each protein and…

A: Nucleosomes are the unit of chromosome.

Q: • Whether a mutation is recessive or dominant to wild typedepends on how drastically the protein…

A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…

Q: In eukaryotic cells, the nucleosomal core contains which arrangement of histone proteins? A. two H1,…

A: Histone proteins - Histone proteins are basic proteins which are present in the nucleus of the…

Q: Explain linker domain

A: In order to stay intact in cells, some proteins occur in complex with the binding partners They…

Q: Drag the term or statement to the correct column. Molecular Mechanism Change Cis or trans…

A: Epigenetics is the study of heritable phenotype changes.  It does not involve alterations in the DNA…

Q: Define the following terms:a. positive supercoilingb. negative supercoilingc. polyaminesd.…

A: Introduction DNA (Deoxyribonucleic acid) is a hereditary material that contains all of the genetic…

Q: How many copies of the H2B histone would be found in chromatin containing 50 nucleosomes? a. 5 b. 10…

A: The defined length of DNA is attached to a collection of histones called octamer. The total unit is…

Q: Which histone helps stabilize the solenoid structure of eukaryotic chromatin?   H4 H3 H2B H2A H1

A: Nucleosome are the just like a rounded ball which is wrapped by rope and are numerous in number . It…

Q: Which of the following statements about nucleosomes is NOT true? DNA is on the outside and is…

A: DNA- “deoxyribonucleic acid” is a complex structure that carries the unique genetic code of every…

Q: For each of the following pairs of chromatin types,which is the most condensed?a. 100 Å fiber or 300…

A: There are four levels of condensation: Nucleosome – DNA is tightly complexed with histones, wrapping…

Q: Consider the figure beow, which depicts chromatin within the neucleus of a eukaryotic cell. nucleus…

A: Topologically associating domain (TAD) also called chromosomal interacting domains in bacteria. They…

Q: Is a centromere a protein and tell What happens if a centromere does not break?

A: Centromere is a central chromosome structure that attaches sister chromatids during cell division.…

Q: it is a region of condensed pinched chromosomes?

A: The rod shaped or threadlike stainable condensed chromatin fibres are known as chromosomes. They are…

Q: How many types of histones and non histone  are there?

A: Histones are highly basic proteins present in the eukaryotic cell nuclei. They pack and order the…

Q: Which histone helps stabilize the solenoid structure of eukaryotic chromatin? Н4 H3 H2B H2A

A: Nucleosomes resemble a spherical ball wrapped in rope and are abundant in number. It consists of the…

Q: What is a centromere? How does the position of centromere form the basis of classification of…

A: The chromosomes are the thread-like structure in the cells of living organisms and contain tightly…

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: Histone _______ is not part of the histone octamer, but binds to linker DNA and is responsible for…

A: Histones are a family of basic proteins that associate with DNA in the nucleus and help condense it…

Q: What is the correct order for DNA packaging in the nucleus

A: In eukaryotes, the genetic material (DNA) is enclosed in the nucleus of the cell. The DNA is packed…

Q: Duplicated chromosomes are physically connected along an area of the chromosome known as the

A: Mitosis is a part of the cell cycle in which a single cell divides into two identical daughter…

Q: Hypothetically, a cell has DNA that weighs 10 picograms. This cell goes through S phase and is about…

A:

Q: How can this identical set of genetic instructions produce different types of cells?

A: Genes are hereditary components that are located on the chromosomes. They can be passed on from one…

Q: Put the following levels of chromosome organization in order from least complex (least packaged…

A: The word chromosome arises from the Greek word chroma means color and soma which means body because…

Q: Place the following eukaryotic DNA structures in order of thickness, smallest to largest…

A: These are positively charged proteins that strongly adhere to negatively charged DNA and shape…

Q: Explain the fate of transferred chromosomal DNA ifrecombination does not occur in the recipient…

A: Conjugation, transformation, and transduction are the three processes through which a cell can…

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 the nucleosome

A: In eukaryotes, DNAs are condensed and packed along with several proteins to form the chromatin…

Q: How come cells in a multicellular organism look different and have different functions? b) How…

A: Organisms  Organism are the entity that has life. Organisms can be unicellular or multicellular.…

Q: Why is chromatin packaging important?

A: Chromatin is a material that makes up the chromosomes consisting of DNA and proteins. DNA is the…

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: How many nucleosomes are involved per turn of the spiral arrangements of the chromatin fiber?

A: Nucleosome is the main and basic unit of DNA packaging in the eukaryotic cells. The structure of…

Q: You are running general tests in a cell solution and you have detected a large concentration Single…

A: Cell cycle is sequence of events before cell division occurs, it prepares cell for division. Without…