Some secondary metabolites are bitter or toxic. What protective effect does this have for plants?
a. protection from overexposure to UV radiation
b. defense against pathogens
c. long distance signaling response
d. defense against herbivores
d. defense against herbivores
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Which three organelles are involved in the glycolate pathway?
A) lysosome, chloroplast, rough endoplasmic reticulum B) mitochondrion, nucleus, lysosome C) peroxisome, smooth endoplasmic reticulum, chloroplast D) peroxisome, chloroplast, mitochondrion E) Golgi complex, peroxisome, lysosome
Which of the following is NOT a logical hierarchy of biological organization?
a. cells, tissues, organs, organ systems, organisms b. family, order, class, phylum, kingdom c. cells, molecules, organelles, tissues, systems d. molecules, cells, tissues, organ systems, populations e. organisms, populations, communities, ecosystems, biosphere
A couple conceives a child on January 1st. Which day falls within the period of somitogenesis?
A. January 3rd B. January 7th C. January 17th D. January 31st Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about somitogenesis? 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?
Which of the following ratio is not likely to occur in crosses (F2 ) when one is dealing with two interacting, epistatic gene pairs?
A) 3:1 B) 9:3:4 C) 9:7 D) 12:3:1 E) 15:1