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Show the sequence of secondary growth by drawing the row of cells from the boxed area below and labeling the vascular cambium cell (V), 5 xylem cells from oldest (X1) to youngest (X5), and 3 phloem cells (P1 to P3). Show what happens after growth continues by drawing and labeling a row with twice as many xylem and phloem cells. How does the vascular cambium’s location change?
A pear has a hard texture but juicy. State two cells that give the characteristics?
State the function of the transitional epithelium found in the mammalian urinogenital system.
(i) Identify type of tissue lines the air sacs of the lungs.
(ii) Explain how the tissue named in (i) adapted to its function.
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- In a microscopic field of Allium cepa root tip, how many number of cells undergo prophase, metaphase, anaphase, and telophase?Which one of the following statements about root hairs is CORRECT? Select one: a. They are found in the zone of cell elongation and help the root to fix nitrogen. b.They are found in the root cap and help the root sense gravity. c.They are found in the zone of cell division of the root and help anchor the plant in the soil. d.They are found in the root apical meristem and help the root to absorb water. e.They are found in the zone of cell differentiation in the root. Which of the following best describes the route to fruit formation in flowering plants? Select one: a. 1) pollination, 2) double fertilization, 3) embryo develops, 4) ovary matures, 5) ovule matures. b. 1) pollination, 2) germination of pollen, 3) endosperm develops, 4) ovule develops. c. 1) pollination, 2) endosperm develops, 3) embryo develops, 4) ovule matures. d. 1) pollination, 2) fertilization, 3) embryo develops, 4) ovary matures. e.1) pollination, 2) fertilization, 3) germination of pollen, 4) ovule…Look at As shown. Part (A) shows the lower half of a fusiform initial (actually most fusiform initials would be much taller than this), and part (B) shows the same cell after it has divided and one of the daughter cells is developing into a xylem cell. Did the fusiform initial divide with a periclinal wall or an anticlinal wall as it went from part a to part b? Part (D) shows that the same fusiform initial has now produced a second cell that is developing into a phloem cell. Was that phloem cell produced by a periclinal or an anticlinal division of the fusiform initial? Part (F) shows the fusiform initial dividing and forming a second fusiform initial. Is this division occurring by a periclinal wall or an anticlinal wall?
- Draw 1. ROOT TIP LONGITUDINAL CROSS SECTION – under medium power draw the whole tip. Label à Root cap, Zone of Cell Division, Zone of Elongation, Zone of Maturation, Apical Meristem. 2. ROOT CROSS SECTION – under medium power draw a pizza wedge to be able to view from the centre of the section out to the edge. Label à Epidermis, Endodermis, Cortex, Casparian Strip, Pericycle, and Vascular tissue 3. MONOCOT STEM CROSS SECTION – under high power focus the field of view on a vascular bundle and draw the vascular bundle and surrounding cells. Label à Xylem, Phloem, Vascular Bundle 4. 3 – YEAR OLD WOODY DICOT STEM CROSS SECTION – under low power draw a pizza wedge of the stem. Label à Primary xylem, Secondary xylem, Phloem, Cambium, Pith 5. LEAF CROSS SECTIONS –View and draw each of the cross sections under medium/high power. Label à Stomata, Vascular Bundle, Epidermis, Cuticle, Palisade Mesophyll, Spongy Mesophyll.From an image of transverse slides of primary and secondary dicot roots on demonstration, determine from what tissues does the vascular cambium and cork cambium arise?The cross-section of a woody root is shown in Figure 3. Observe and locate the center of the root and work to the outer portion. Identify and label the following: Secondary phloem Secondary xylem Primary xylem Vascular cambium Xylem ray
- Provide your own drawing of the Aristolochia (birthwort) stem cross-section. In your drawing, identify and label the following parts (Refer to figure 2): Pith Secondary xylem Secondary phloem Vessel element Xylem ray Phloem ray Vascular cambium Cork Periderm Cortex Bark Attach your labeled drawing.Sketch observations of Lima bean root cross section and corn root cross section. Label the epidermis, cortex, endodermis, vascular cylinder and pith.Sketch side by side two daughter cells formed after mitosis of a meristematic cell in the vascular cambium of a eudicot stem. Label the cell formed toward the interior of the stem a meristematic cell. Should the daughter cellformed toward the outside be labeled primary xylem, primary phloem, secondary xylem, or secondary phloem?
- Label A, B, C and D as the following: -Xylem -Cortex -Phloem -PithPLANT STRUCTURE: STEMS AND ROOTS STEM ANATOMY: Secondary Growth in a eudicot - woody tissues Q: Identify the following on the attached figure a & b: Primary xylem, secondary xylem, secondary phloem, growth ring, large diameter vessels of early growth; small diameter vessels of late growth; boundary of growth ring.Based on the cross section of the Ixora leaf provided. Draw and Label the following structures: a.) cuticle b.) upper epidermis c.) palisade mesophyll d.) collenchyma e.) spongy mesophyll f.) xylem g.) phloem. h.) lower epidermis i.) bundle sheath Attach the labeled image of of Ixora sp. leaf cross-section
