Members of what group are multicellular producers?
a. Animalia
b. Protista
c. Fungi
d. Plantae
e. none of these
Answer: d
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Which one of the following terms applies to the phylum Arthropoda?
A. radial symmetry B. diploblastic C. coelomate D. Parazoa E. deuterostome
Why would a photosynthetic organism have more than one type of pigment within their cells?
a. To provide a backup source of energy if the main pigment type fails b. To direct light towards the primary pigment c. To optimize the amount of energy that can be harvested in specific environments d. To provide structural support for the primary pigments e. To allow photosynthesis to occur at any time of the day
Two common methods for obtaining large quantities of a DNA fragment or gene of interest is by PCR or by DNA
cloning (for example, construction of a DNA library). Explain one advantage of using PCR and one advantage of using DNA cloning in a living cell. What will be an ideal response?
A bone marrow sample from Patient X has abnormally low numbers of megakaryocytes. What body process would you expect to be impaired in Patient X?
A. Temperature regulation by vasoconstriction or vasodilation of superficial blood vessels B. Defense against foreign microorganisms C. Maintaining normal osmotic balance between the blood and the interstitial fluids D. Transport of oxygen E. Blood clotting following injury to a blood vessel