The function of White Blood Cells (WBC) is to defend the body from various infections. They produce antibodies that help detect and fight the presence of foreign elements (say germs) in the body. They strengthen the defense mechanism, thereby improving the immune system of the body against germs
Fila is the answer
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The correct strategy for training for a specific running distance is to periodically (once a week or so) run that distance as a training run. This is what runners will refer to as a weekly 'long run'. This allows your body to adapt to the greater distance. At the same time, it is important that these long distances are interspersed with shorter and faster runs, as running long distances constantly can cause chronic injuries and tends to make runners slower.
Answer:
c. Primase is capable of synthesizing RNA without attaching the incoming nucleotide to a pre-existing, free, 3' hydroxyl group.
Explanation:
Primase is a RNA Polymerase involved in the process of DNA replication. DNA Polymerase is not able to initiate DNA replication without a primer because it needs a free 3'-OH (hydroxyl) group to add nucleotides. Primase does not require a free 3'OH group and makes a short RNA primer complementary to template DNA strand. DNA Polymerase can add nucleotides to this primer and initiate the process of replication. Later the RNA primer is replaced by DNA via 5' to 3' exonuclease.
To initiate DNA replication primase binds to DNA helicase forming a complex called as primosome. It then synthesizes a primer approximately 11 nucleotides long which can be extended by DNA Polymerase.
