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WSU Biology 106 Exam 1 Questions With 100% Verified Answers.
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©BRAINBARTER 2024/2025 WSU Biology 106 Exam 1 Questions With 100% Verified Answers. Three basic plant organs - answerroots, stems, leaves roots - answerAbsorbs water and minerals from the ground. Anchors plant in ground. Stems - answerCarry substances between roots and leaves; provide support...

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WSU Biology 106 Exam 1 Questions With
100% Verified Answers.



Three basic plant organs - answer✔roots, stems, leaves

roots - answer✔Absorbs water and minerals from the ground. Anchors plant in ground.

Stems - answer✔Carry substances between roots and leaves; provide support for plant; holds
leaves up to sunlight

leaves - answer✔The main photosynthetic organs of vascular plants.

Nodes - answer✔the points at which leaves are attached

internodes - answer✔the stem segments between nodes

axillary bud - answer✔A structure that has the potential to form a lateral shoot, or branch. The
bud appears in the angle formed between a leaf and a stem.

terminal bud - answer✔bud at tip of a stem responsible for terminal growth

petiole - answer✔The stalk of a leaf, which joins the leaf to a node of the stem.

Three plant tissues - answer✔dermal, vascular, ground

dermal tissue - answer✔tissue of the plant that makes up the waxy outer layer of the plant

vascular tissue - answer✔Plant tissue consisting of cells joined into tubes that transport water
and nutrients throughout the plant body.

ground tissue - answer✔tissue between the dermal tissue and vascular tissue of a non-woody
plant that functions in photosynthesis, storage, and support

Xylem - answer✔vascular tissue that carries water upward from the roots to every part of a plant

Phloem - answer✔Living vascular tissue that carries sugar and organic substances throughout a
plant

, ©BRAINBARTER 2024/2025


parenchyma - answer✔Fundamental tissue composed of thin-walled living cells that function in
photosynthesis and storage.

Collenchyma - answer✔type of ground tissue cell with a strong, flexible cell wall; helps support
larger plants

Sclerenchyma - answer✔type of ground-tissue cell with an extremely thick, rigid cell wall that
makes ground tissue tough and strong

apical meristem - answer✔Embryonic plant tissue in the tips of roots and in the buds of shoots
that supplies cells for the plant to grow in length.

lateral meristems - answer✔A meristem that thickens the roots and shoots of woody plants. The
vascular cambium and cork cambium are lateral meristems.

shoot apical meristem - answer✔dome-shaped mass of dividing cells at the shoot tip

Gymnosperms and eudicots - answer✔vascular bundles are arranged in a ring

Monocots - answer✔vascular bundles are scattered throughout the stem

secondary growth - answer✔Growth produced by lateral meristems, which thickens the roots and
shoots of woody plants.

vascular cambium - answer✔A cylinder of meristematic tissue in woody plants that adds layers
of secondary vascular tissue called secondary xylem (wood) and secondary phloem.

cork cambium - answer✔Lateral meristematic tissue that produces the outer covering of stems

turgor pressure - answer✔The pressure that water molecules exert against the cell wall

turgid - answer✔swollen, inflated

flaccid - answer✔deflated, limp

apoplastic route - answer✔water and solutes move along the continuum of cell walls and
extracellular spaces

Sympoplastic route - answer✔transport within the membrane

active transport - answer✔Energy-requiring process that moves material across a cell membrane
against a concentration difference

passive transport - answer✔the movement of substances across a cell membrane without the use
of energy by the cell

Bulk/mass flow - answer✔mass movement of liquid caused by pressure, gravity, or both

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