Macromolecules are synthesized by a series of steps. Monomers are systematically added to the growing polymer. From what you have learned about the synthesis of macromolecules, can you suggest why people who are trying to lose weight are asked to drink plenty of water?
What will be an ideal response?
Since water is released in the synthesis of polymers like fats (condensation reaction), water will be needed for the breakdown of fat molecules (hydrolysis).
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The term eukaryotic means ____
a. having many nuclei b. before the nucleus c. having a true nucleus d. not having a nucleus e. not having DNA
Which one of the following is TRUE regarding knowledge gained through scientific investigation?
A) The knowledge can be used to prove or disprove religious beliefs. B) Scientific knowledge cannot be used to improve human life through technology. C) The information can be used to detect problems at an early stage and correct mistakes. D) Society as a whole generally ignores scientific information. E) The knowledge has resulted in less-efficient sources of energy yet better health care.
The organisms that cause ringworm, or tinea, use keratin protein as their growth substrate. This is why these infections
A. have a high mortality rate. B. cause a discoloration of the skin by damaging skin pigment protein. C. produce a rash all over the body during an infection. D. are restricted to superficial skin layers.
When comparing the DNA fingerprints of a parent and child, the parent's DNA fingerprint will have which of the following genetic traits?
A) all of the DNA bands that the child has B) more than half of the DNA bands that the child has C) DNA bands that match those in the child's fingerprint and that aren't from the other parent D) DNA bands that are very close to bands found in the child but do not match precisely