Weather patterns that occur over years or centuries in a particular region make up its ________
Fill in the blank(s) with correct word
climate
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Which of the following tissue types is characterized by having cells suspended within an extracellular matrix consisting of a mixture of fibrous proteins and carbohydrates?
A. nervous B. muscular C. epithelial D. connective E. digestive
Water has an unusually high boiling point for its molecular weight because water molecules ____
a. are very dense b. get much heavier as they are heated c. are held to each other by hydrogen bonds d. are held together by covalent bonds e. form hydration layers
Which of the following statements regarding the infection of root hairs by Rhizobium species is incorrect?
A. Nodules begin to form in the roots as both plant and bacterial partners differentiate. B. Attachment of Rhizobium cells to plant root hair cells induce curling of the root hair. C. The presence of Rhizobium triggers the formation of syncytial cells. D. This is a mutualistic relationship between plant and bacteria.
________ culture techniques are based on the expansion of the microenvironment to allow abundant growth of a microorganism formerly restricted to a small ecological niche.
Fill in the blank(s) with the appropriate word(s).