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Which of the following increases the rate of chemical reactions?

Energy that is stored in compound for use at a later time is known as ________ energy.

What is a horizontal section through the body, dividing it into top and bottom, called?

Which of the following describes the structure of the plasma membrane?

Fig 1.4: use this illustration to answer the following matching questions.

__________ have the most varied functions of the macromolecules including use as structural materials, enzymes and for transport.

The __________ system controls the body with chemical molecules called hormones.

The enzyme responsible for synthesizing the new DNA strand from the template in DNA replication is:

The anatomical position is characterized as body erect, arms at sides, thumbs pointed laterally.

The flow of charged particles along a conductor or the flow of ions across a membrane is known as __________ energy.