Conifer resin has what properties?
_____ It hardens on contact with air.
_____ It flows through ducts in the wood and leaves.
_____ It forms amber, often trapping insects and other organisms.
_____ It attracts insects and other organisms that facilitate reproduction.
_____ It can prevent attack by herbivores and pathogens.
__X__ It hardens on contact with air.
__X__ It flows through ducts in the wood and leaves.
__X__ It forms amber, often trapping insects and other organisms.
_____ It attracts insects and other organisms that facilitate reproduction.
__X__ It can prevent attack by herbivores and pathogens.
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Which of the following pairs is mismatched?
A. Helminths; multicellular B. Algae; multicellular C. Fungi; multicellular D. Protozoa; unicellular E. Protozoa; multicellular F. Fungi; unicellular
The enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of the respiratory tract is ________.
A. hyaluronidase B. kinase C. catalase D. reverse transcriptase E. neuraminidase
Which of the following is NOT a cell covering or part of a cell covering?
a. glycocalyx b. extracellular matrix c. cristae d. cell wall e. integrins
________ and ________ State that Martin Seligman's "preparedness" concept is activated by survival threats in evolutionary history and relatively resistant to intentional efforts to suppress the resulting fears.
Fill in the blank(s) with the appropriate word(s).