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Biology Review - Exam 2 Review for BIOL1104 Disclaimer...

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Exam 2 Review for BIOL1104 Disclaimer: These questions are my best guess at what material will be covered in the exam. I do not see the exam beforehand and I have no direct knowledge of what will be on it. Don’t depend on this review alone! I highly suggest looking over your notes, clicker questions, and mastering biology— then trying to work this guide from memory to see where you’re solid and to see where you need to study more. There is no answer key. Answers are generated in SI sessions by the students. Good luck! Vocabulary Node (as it pertains to plants, not phylogenetic trees!) - where the leaf attaches to the stem Pollination Statoliths Sieve tube element Companion cell Tracheid Fertilization Vessel element Stomata Guard cell Cotyledon Photoperiodism Meristem Hormone
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Thigmotropism Diffusion Osmosis Concepts 1. Plants have two organ systems, one which provides support and pathways for vascular tissue called ____________________, and the other which acts as an anchor and allows for water and mineral uptake called ____________________. 2. ____________________ are the plant cells which help to thicken cell walls. 3. You find a specimen of flower that is new to science. It has 12 petals. Is it a monocot or a eudicot? What else would you look for to categorize your new discovery? 4. A ____________________ is a bundle of xylem and phloem, covered by a waxy endodermis. 5. ____________________ is the plant hormone that tells guard cells to close stomata. 6. In ____________________, meiosis occurs and the genetic material from two different parents is blended, producing offspring that is genetically different from its parents. 7. The plant protein aquaporin provides what function in plant cell membranes? 8. Plants grow either by lengthening, which is called ____________________, or by ____________________, which is growth in girth. 9. ____________________ moves nutrients made from photosynthesis, and ____________________ moves water and minerals. 10. Contrast the major differences between phloem and xylem transport in plants (focus on the 4 big ones). 11. You are an apple farmer. This past season there was a terrible drought and most of your apples were much smaller in diameter than they usually are. This season, there has been plenty of
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water, but your fruits are still smaller than they have been in seasons past. Come up with a new hypothesis to explain your small fruits, and how you might test it.
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