✿ ▓ تَــ جْ ـمِـيّـ عُ آوُـلآلآدْ ـلإِخْ ـتِــ بَـ ـارٌ الـآحْ ـ ــيـُ ـآءٌ ▓ ✿

[rano00nah]

5)
If you eat a hamburger, you are mainly eating ground-up beef muscle. What levels of organization are represented in this ground-up muscle? A)
organism, population, and community B)
organ, organ system, and organism C)
community, ecosystem, and biosphere D)
organelle, cell, and tissue E)
tissue, organ, and organ system


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Factual Recall
52)
Which of the following statements about plant cell walls is false? A)
Plant cell walls consist of cellulose fibers embedded in a matrix of polysaccharides and proteins. B)
The cell wall of one plant cell is separated from the cell wall of another by a layer of sticky polysaccharides. C)
Plant cell walls are multilayered structures. D)
Plant cell walls protect plant cells by forming an impermeable layer around the cell. E)
Wood is primarily composed of plant cell walls

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53)
Which of the following statements regarding plasmodesmata is false? A)
Plasmodesmata penetrate plant cell walls. B)
Plasmodesmata are one type of cell junction in plants. C)
Plasmodesmata carry chemical messages between plant cells. D)
Plasmodesmata carry nutrients between plant cells. E)
Plasmodesmata are commonly found in single-celled organisms.

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4)
Which of the following statements is false?
A)
The ground tissue system of a leaf is called the mesophyll.
B)
Each vein in a leaf is composed of either xylem or phloem, but not both.
C)
The veins in a leaf are continuous with the veins of a stem.
D)
The pith of a stem is often important in food storage.
E)
Tissues that are neither dermal nor vascular are known as the ground tissue system.



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