Planaria 3) Explain giving appropriate reasoning why the neoblasts are considered thefollowinga. A stem Cell:b. Pluripotent:C. Neoblasts are the only dividing cells in the planarians body- Is thisstatement true or false? Justify with reasons.d. Discuss the role of neoblasts in the planarian regeneration. What wouldhappen if all except ONE neoblast was killed by irradiation? Would theplanarian be able to regenerate and build the neoblast population?e What role do neoblasts play in the maintenance of the planariananatomy?4) There are several other animal models that display regenerative propertiesincluding the zebrafish, salamander, and hydra. What specific strengths doplanarians offer that makes studying regeneration feasible?5) Discuss any one conceptual problem that can be addressed by studyingregeneration in planaria. The discussion should include what is the problem andhow does planaria help in studying the problem?

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Biology: The Dynamic Science (MindTap Course List)

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ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter30: Fungi

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4) There are several other animal models that display regenerative properties including the zebrafish, salamander, and hydra. What specific strengths do planarians offer that makes studying regeneration feasible? 5) Discuss any one conceptual problem that can be addressed by studying regeneration in planaria. The discussion should include what is the problem and how does planaria help in studying the problem? I 6) What is a blastema? Where is it formed and how does it appear?
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Find the large nucleus located near the cell. Make several outline drawings to illustrate the successive changes of 1. shape of the amoeba. Make drawings of the Amoeba you observe, and label its structures. C O O liko mer 0 AS 6 0 O Paramecium -- Paramecia are quite large, straw-colored, slipper-shaped and move rapidly, and they are thus very noticeable. If there are Paramecia in your field of view you probably will recognize them immediately. Often, however, students do have difficulty both finding a Paramecium, and after they have found one, making it move slowly enough so they can study it at high magnification. The trick to finding a Paramecium is to scan the entire slide quickly using the scanning lens. Then, if you do not find one, make a new slide and search again. Often, Paramecia tend to move to the edges of the coverslip, and even "escape" the coverslip at its edges. The trick to slowing the Paramecia is to mix a drop of methyl cellulose with a drop of the cell culture, as…
NG STSTEMACADEMIC) In mosses, the leaves are very primitive because: All the cells are identical to each other. Ob. The leaves do not carry out photosynthesis. O c. The leaves are only found in the sporophyte. O d. The leaves arise directly from the roots without any stem. O e. The leaves are tubular, rather than flat.
1. Prokaryotes have more DNA than eukaryotes. TRUE or FALSE 2. Cnidaria have two tissue layers, epidermis and ectodermis. TRUE or FALSE 3. Mosses have true, vascularized roots and leaves. TRUE or FALSE 4. DNA transcription occurs at the ribosome in eukaryotic cells. TRUE or FALSE
Planaria
Green plants differ from the algal Charophycea in: O a. Green plants use phragmoplasts. Ob. Green plants do not have growth throughout the whole length of the stem. O C. Green plants have vascular tissue. d. Green plants have seeds. O e. Green plants do not have asexual reproduction. BIOL2102_derekmr here to search DELL
Temporary finger like extensions on amoeba are called: I. Cell membrane II. Cell wall III. Pseudopodia IV. Cilia
16. they are found in all types of vascular plantsa. tracheidb. sleeve tubec. vessel elementsd. all of the above17. the tip of root is protected by a root capa. trueb. false18. the elongation and maturation of cells add to the volumea. Trueb. False19. The enlargement of the plant cells is due to the absorption of watera. Trueb. False20. The following describes compound leaves except ___a. Leaves are joint to the stem with no subdivisionsb. Leaves emerge from both sides of midribc. Arrangement corresponds to the mode of venationd. Has several leaflets21. What describes a leaf which is terminated with a single leafleta. Lyrateb. Paripinnate c. Tripinnated. Bipinnate22. What describes a leaf that is largest at its terminal?a. Lyrateb. quadrifoliate c. Tripinnated. Trifoliate23. What does primordial leaf mean?a. Group of cells that will form new leavesb. Parallel veined leavesc. Flattened…
Determine in the following statement is TRUE or FALSE: Planaria are model species for experimental regeneration and differentiation. Under the proper conditions, one planarian can be cut into many pieces and the missing parts can be regrown due to their remarkable adult stem cell system. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a The statement is TRUE b The statement is FALSE Unanswered A Submit
Fungi have an extremely high surface-area-to-volume ratio. What is the advantage of this to an organism that gets most of its nutrition through absorption? O This high ratio means that fungi have a thick, fleshy structure that allows the fungi to store more of the food it absorbs. O The larger surface area allows for more material to be transported through the cell membrane. O This high ratio creates more room inside the cells for additional organelles involved in absorption. O The lower volume prevents the cells from drying out too quickly, which can interfere with absorption. MacBook Pro G Search or typ e URL %23 %2$ % & 3 4 5 8 E R Y F G H. K ト

1.Explain how vascular tissue allows vascular plants to be larger than nonvascular plants? Make reference to function of vascular tissue and how nonvascular plants obtain water and nutrients. 2.Describe why diffusion alone is an ineffective strategy to move nutrients/exchange gases in larger multicellular organisms. 3.Using your Life Concept Map as a reference, compare and contrast (give an account of similarities and differences between two items, referring to both items throughout the answer) a representative species from two similar kingdoms. A T chart or table might be a good way to organize your answers.

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3) Explain giving appropriate reasoning why the neoblasts are considered the following