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Which are leaf mesophyll cells that contain chlorop Opallisade parenchyma cells spongy parenchyma cells both Oneither
on the upper portion of a C3 leaf and more There are more on the lower portion. gaurd cells; stomata epidermal cells; parenchyma cells spongy mesophyll; pallisade mesophyll pallisade mesophyll; spongy mesophyll
23. Which of the following is not shared by both green algae and plants? a. chlorophylls a and b b. cellulose d. starch c. xylem with lignin e. chloroplasts 24. Which of the following carry out photosynthesis? a. palisade parenchyma (mesophyll) cells. b. spongy parenchyma (mesophyll) cells d. a and b c. companion cells.. e. a, b and c
48. The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma cells. Sclerenchyma cells contain all of the following EXCEPT a. lignin. b. cellulose c. hemicellulose d. pectin e. dextrin 49. Which of the following contains dissolved sugars? a. Xylem b. Phloem c. Stoma d. Mesophyll e. Stipules 50. Insectivorous plants: a. typically grow in nutrient-rich soil enhance a poor supply of CO2 through capturing prey c. use modified leaves to trap their prey d....
Exercise II Histology of the Leaf PART A. MESOMORPHİC LEAF: SYRINGA VULGARIS Examine a prepared slide containing a transverse section of a Syringa (lilac) or another mesomorphic leaf. At first, use the microscope's 10x objective, then switch to the 43x objective. With the 10x objective in place, note the variation in size and orientation of the veins (vascular bundles), which contain the two vascular (conducting) tissues, xylem and phloem. The centrally located largest vein is the midvein. The midvein and...
7) What is the special name of photosynthetic parenchyma cells? Which organelle is especially abundant in these cells? How does the thinness of the wall affect carbon dioxide and light?
PLEASE ANSWER Lab Prep Part A and Part B - guard cells cuticle epidermis - USA Toysclerenchyma SANDALER spongy mesophyll - vessels of xylem oooo. O Oo 00 . Y .. 10 el sieve-tube Ab bo element of phloem sclerenchyma fibers Figure 1. Cross section of a monocot leaf. → In a simple experiment, researchers placed one group of geranium leaves in a well-lit area for 36 hours, and kept a second group of geranium leaves in the dark for...
Assume that Elodea leaf cells are rectangular and that their width and depth arc both about 25% of the length. Calculate the volume of S cell in cubic millimeters (mm^3) and in cubic
In your labeled image of the leaf cross-section slide, which of the following layers was nearest the surface of the leaf? spongy layer cuticle palisade layer upper epidermis
questions18-27 18. The is a primary meristem that produces parenchyma cells of the cortex. a) procambium b) ground meristem c) protoderm d) phelloderm e) pericycle 19. Which of the following statements about monocot stems is true? a) They have no vascular cambium b) Their vascular bundles are arranged in a ring e) Most of them are woody d) They have a definite cortex and pith c) Their stems generally have conspicuous cork. 20. Older, nonfunctioning xylem tissue in a tree...
It has been known for +50 years that many plant cells are totipotent and can be used to regenerate new plants from. Key argument in support of that comes from leaf disc cultures in which new organs can be induced from differentiated epidermal, mesophyll and vascular cells (in figure). Explain to the best of your ability what is likely to happen on a molecular level and how cytokinin exposure can lead to shoot formation, and auxin exposure can lead to...