Errors or changes in the DNA of an organism are called ________
Fill in the blank(s) with correct word
mutations
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Are any of these vegetables actually fruit?
A. Sugar beets B. Corn C. Carrots D. Celery E. All of these are vegetables, none of them are fruit. Clarify Question What is the key concept addressed by the question? Gather Content What do you already know about fruit? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A researcher wants to develop a test that will distinguish charophytes and land plants from green algae. Which of the following chemicals would be the best subject for such an assay?
A) chlorophylla photosynthetic pigment B) carotenoidsa class of accessory photosynthetic pigments C) starcha food storage material D) glycolate oxidasean peroxisomal enzyme that is associated with photorespiration E) flavonoidsa class of phenolic compounds that is often associated with chemical signaling
Which of the following does correctly match the mineral with one of its functions?
a. manganese—may enhance the function of insulin b. selenium—important for the metabolism of carbohydrates and amino acids c. fluoride—hardens tooth enamel d. chromium—a co-factor for only four enzymes
A microorganism that causes an infection is called a
A. avirulent infection. B. colony. C. commensal. D. pathogen.