In ____, pieces separate from the body of a parent and develop into new individuals
a. fission
b. fertilization
c. fragmentation
d. budding
e. parthenogenesis
ANSWER: c
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Tinea versicolor is a skin infection characterized by superficial brownish scaly areas most often on the trunk, arms, or shoulders. Which type of replacement therapy places patients at risk for developing this type of skin infection?
a. Hormone b. Lipid c. Saccharide d. Gene
Tooth morphology is not related to diet
a. True b. False
Research has shown that cytokinin levels fluctuate seasonally in temperate plants. What season would you expect to see the lowest levels of cytokinins and why would this be adaptive?
A. Spring, because lower levels of cytokinin allow auxin to promote rapid growth in stem height. This will allow the plant to compete effectively for sunlight. B. Winter, because lower levels of cytokinin will place buds into a dormant state. This will protect the underlying tissues from freezing until spring. C. Autumn, because lower levels of cytokinin at this time of year will induce the production of ethylene. This will result in maturation of fruit and ensure effective seed dispersal before winter. D. Summer, because lower levels of cytokinin would slow growth down and delay leaf aging. This will allow the plant to maximize the production of starch and increase it's sugar reserves. This will help ensure the plant's survival through autumn and winter.
Enzyme competition occurs when
A. one type of enzyme reacts with one type of substrate. B. an enzyme does not react with a substrate. C. three different types of enzymes react with one type of substrate. D. an enzyme stops a reaction.