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Life cycle: germination → flowering → seed production → death
Life cycle: germination → flowering → seed production → death
Forums The Undercurrent it's literally just biology
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Tip of a root is covered by root cap - protects apical meristem, secretes polysaccharide slime
Tip of a root is covered by root cap - protects apical meristem, secretes polysaccharide slime
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3 zones behind the cap: cell division (meristem, new root cells) → elongation (cells grow, roots push into soil) → differentiation (maturation, distinct cell types)
3 zones behind the cap: cell division (meristem, new root cells) → elongation (cells grow, roots push into soil) → differentiation (maturation, distinct cell types)
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Monocot steles - core of unspecialized parenchyma cells, surrounded by alternating xylem/phloem
Monocot steles - core of unspecialized parenchyma cells, surrounded by alternating xylem/phloem
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Ground tissue of roots = parenchyma cells in the cortex (between vascular cylinder and epidermis)
Ground tissue of roots = parenchyma cells in the cortex (between vascular cylinder and epidermis)
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Stores carbs, transports water/salts from root hairs to center of root, diffusion
Stores carbs, transports water/salts from root hairs to center of root, diffusion
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Endodermis - inner layer of cortex, regulates passage of substances into vascular cylinder
Endodermis - inner layer of cortex, regulates passage of substances into vascular cylinder
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Pericycle - outer layer of vascular cylinder → meristem gives rise to lateral roots
Pericycle - outer layer of vascular cylinder → meristem gives rise to lateral roots
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Shoot elongation is due to lengthening of internode cells below the shoot tip
Shoot elongation is due to lengthening of internode cells below the shoot tip
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Apical dominance - a nearby active apical bud inhibits growth of axillary buds
Apical dominance - a nearby active apical bud inhibits growth of axillary buds
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Near soil surface - bundled vasculature of stem converges w/ vascular cylinder of root
Near soil surface - bundled vasculature of stem converges w/ vascular cylinder of root
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Eudicots - ring of vascular bundles in stem - xylem next to pith, phloem next to cortex
Eudicots - ring of vascular bundles in stem - xylem next to pith, phloem next to cortex
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Ground tissue of stems = parenchyma cells, reinforced by collenchyma (during primary growth) and sclerenchyma (fiber cells)
Ground tissue of stems = parenchyma cells, reinforced by collenchyma (during primary growth) and sclerenchyma (fiber cells)
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Guard cells (epidermal) regulate opening/closing of stomata pore on leaf epidermis
Guard cells (epidermal) regulate opening/closing of stomata pore on leaf epidermis
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Having you as a Voltie would be awesome.