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.

What level of protein structure is defined by having more than one polypeptide chain in the functional product?