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Which of the following best explains the reason why DNA ligase is needed to complete the replication of internal chromosomal segments?
A. DNA ligase is able to delete the last nucleotide of the oligonucleotide that is left by RNaseH.
B. DNA ligase is able to incorporate nucleotides into the gap that is left by RNaseH and the exonuclease.
C. DNA ligase is able to obtain the final phosphodiester bond thereby fixing single stranded nicks that are left by DNA polymerase.
D. DNA ligase is capable to relieve the tangles that happen ahead of the replication fork.
Define the Primary Stain and Mordant? (i) Primary Stain - Crystal violet is the primary or first stain, which stains all the cells violet/purple. (ii) Mordant - Gram's iodin
is thare any excretory system found in echinoderms
Which type of genetic disease can be identified from the visual analysis of the number of chromosomes present in a karyotype? The counting and the identification of chromosomes
To observe yeast plants Borrow a microscope from a college, a high school, a doctor or a hospital. Place a some drops of the sugar solution which having yeast on a glass slide
Q. What are the cells responsible for the production of antibodies? The cells that produce antibodies that is the cells of the humoral immune system are the B lymphocytes (B ce
Q. Observation of Hemichordata ? • identify Balanoglossus as a hemicliordate and give its scientific and common name. • classify Balanogiossus LIP to the level of order.
when microbial culture must be harvested after giving osmotic stress to analyze osmotolerant genes?
Which of the subsequent statements concerning platelets is INCORRECT. Platelets: a) Are between 1/2 and 1/3 the diameter of the red cell b) Are roughly disk-shaped c) Hav
What is Carbohydrates? Carbohydrates : Carbohydrates function mainly as immediate sources of energy, stored energy such as starch, and structural components of cells. Carbohyd
Q. How is the respiratory system of beings of the phylum Annelida characterized? Respiration in annelids can be branchial or cutaneous. Cutaneous respiration takes place due to
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