1. What is the function of DNA helicase in DNA replication? a. To create replication bubbles by unravelling the parental strands of DNA b. To insert new bases during elongation, using the parent strand as a template c. To create an RNA primer to initiate DNA replication d. To anneal (splice) smaller fragments of DNA to create one continuous strand e. All of the above 2. What is the function of the TATA box in a sequence of DNA? a. To act as a promotor site for RNA polymerase b. To determine the direction of RNA polymerase transcription c. To determine the point of termination of the growing polypeptide chain d. To act as a promotor site for RNA polymerase and to determine the direction of RNA polymerase transcription e. To act as a promotor site for RNA polymerase and to determine the point of termination of the growing polypeptide chain

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A: Muscles are of two types voluntary and involuntary muscles.

Q: 10

A: Deltoid muscle

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Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.