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Bio 116 Exam 4 Questions And Answers
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Bio 116 Exam 4 Questions And Answers xylem travels _____, and it is used to transport _____ ANS up, water the capacity of a single parenchyma cell to regenerate into an entire plant is called ____ ANS totipotency what is a major component of the middle lamella? ANS pectin A nail is dri...

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  • October 5, 2024
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  • 2024/2025
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Bio 116 Exam 4 Questions And Answers
xylem travels _____, and it is used to transport _____ ANS up, water



the capacity of a single parenchyma cell to regenerate into an entire plant is called ____ ANS
totipotency


what is a major component of the middle lamella? ANS pectin


A nail is driven (6 feet above ground level) into the trunk of an oak tree. Oak trees grow 1 foot per
year. In 4 years (include spring growth in each year), the nail would be: ANS 6 feet above ground
level



what type of cell is most abundant in a banana? ANS parenchyma



the ____ is important in producing pollen and is included in the _____ part of the flower ANS
anther, male



a major difference between sclerenchyma and collenchyma cells is _____ ANS sclerenchyma are
specialized dead cells


the apical meristem (SAM) produces 3 primary meristematic tissues. these are the protoderm,
procambium, and the ______ ANS ground meristem



the procambium gives rise to the _____ ANS primary xylem, phloem, and some residual
meristematic cells


If you were shipping bananas to a supermarket thousands of miles away, which of the following
chemicals would you want to eliminate from the plants' environment? ANS ethylene


You are a very inexperienced Emerald Ash Borer-a tree-boring beetle-your parents have created a
diagram of an old woody Ash tree to direct you to the innermost pith—what is the proper order you

, encounter the following tissues if you started boring from the outside through the bark (some layers
are skipped for the sake of simplicity, just put the remaining layers in the correct order) [cork to pith]
ANS cork cambium, secondary phloem, vascular cambium, secondary xylem


Phototropism in plants is controlled primarily by the hormone _______ that accumulates on the
______ side of the stem (side facing towards or away from light source) causing increased growth,
thus bending the stem towards the light. ANS auxin; dark


Nitrogen is the element most required by plants (by weight); it can be obtained by plants only by
ANS both fixation of atmospheric nitrogen by bacteria and decomposition of organic matter



a barred owl is able to raise its young in the center of a living tree because ANS the secondary
xylem are dead cells and their decay or absence is not important to the vascular tissue.


We have discussed feedback inhibition throughout the semester with respect to gene regulation,
metabolism, and homeostasis. Which of the following illustrates the concept of feedback inhibition?
ANS When protein A reaches a certain concentration, the transcription of the gene for protein A
is reduced and/or the product of the final reaction in that pathway reacts with an enzyme somewhere
along the pathway at the enzyme's allosteric site closing down that pathway and stopping the final
product from synthesizing.


unlike the pine trees accumulating heavy snow, these trees lose their leaves and go dormant in the
winter ANS deciduous


Parabasalia and Oxymonadid are two lineages of protozoa that are active in digesting the cell wall of
the wood eaten by termites; these cell walls are primarily made of ANS cellulose



companion cells would be expected to be most associated with what type of cells? ANS sieve
tube elements


how do cells in a meristem differ from other cells in a plant? ANS they continue to divide



lateral roots are initially derived from the _____ ANS pericycle

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