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- Cytoplasmic streaming in plants… Question options: is the unidirectional movement of the cytoplasmic material around the central vacuole of the cell. creates a whip-like motion used for motility in organisms such as Euglena sp. is the beating back and forth of short microtubules dispersed around the cell to create motion (e.g. Paramecium sp.). pushes the cytoplasm to one end of the cell and causes the plasma membrane to extend outward as a pseudopod.Part G Calcium ions that act as second messengers are stored in lysosomes chloroplasts peroxisomes mitochondria endoplasmic reticula Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Mitochondria are not a source of second-messenger calcium ions Part H catalyzes the production of which then opens an ion cha MacBookMicrotubules in a cell exhibit dyanimc instability at which end? positive end negative end both positive and negative ends neither the positive nor the negative ends 2. The effect of MAP2 on microtubules is similar to the effect of CapZ on microfilaments how? both stabilize the positive end of the filament both bundle the filaments in parallel bundles both increase the instability of the negative end of the filament both nucleate the formation of the filaments 3. Select all of the statements below that are true of tubulin and microtubules negative ends of microtubules end with alpha-tubulin sticking out monomers in which GTP is bound to beta-tubulin encourage the growth of the filament hydrolysis of GTP by the beta subunit stabilizes the filament all of the tubulin subunits in a microtubule are bound to GDP
- %A£ li. True False نقطتان )2( Centrioles found in plant only ,that help divide the cell during cell * .division True False نقطتان )2( The function of Golgi Apparatus is * .synthesized of protein in the cell True False صفحة 2 من 2 إرسال عدم إرسال كلمات المرور عبر نماذج Go ogle مطلقا. öe lulje AI-Noor University College Jslsgaill lio a lai ai الاستخدام Google zilai IIANN/ SUAMP-RIPAHS/ Y9NT/ 2021 16. A student was asked to make a model of a plant cell. She took a length of tubing made from a substance that allows only water molecules to pass through and enclosed it in a flexible permeable membrane as shown in Fig. 16.1. flexible, permeable membrane beads tightly cell wall riboso me tied call mm brane tightly tied Sutoplasm dilute sugar solution marble nucleus Fig. 16. 1 (a) Name the structures found in a plant mesophyll cell that are best represented by the following items used in her model: the marble ..nusleys. the beads...rubasome. the tubing .ceill.membrane. -[3] (b) State a structure found in a plant cell that is not represented in the student's model. s.hlaropleat. (c) The student then placed her model into a concentrated sugar solution for half an hour. State and explain the similarities between what might happen to her model during that time and what would happen to a plant cell placed in the same solution. 16] (Total: 10]LE Manage Sources Insert Table of Figures Insert Index Insert Table Update Index Update Tal Mark Style: APA Bibliography Insert Caption Update Table Cross-reference Captions Citation F Citations & Bibliography Index Table of Auth Questions 1. A) If the potato cells were hypotonic to the surrounding solution, the surrounding solution itself would be what to the potato cells (hypertonic, hypotonic, or isotonic)? B) Were the potato cells submerged in water with no salt hypertonic, hypotonic, or isotonic to the surrounding environment? C) Were the potato cells submerged in 5 g/100mL salt solution hypertonic, hypotonic, or isotonic to the surrounding environment? D) Look at your graph. At approximately what concentration of salt solution would the potato cells have likely been isotonic with the surrounding solution? [Tip: Estimate approximately at what concentration there would have been no change in the average length of potato strips.] dnote -tnote tes On Search Researcher Research (-)…
- All cells have a cell wall but only plant cells have a cell membrane. O False True O OThe diagram shows a plant cell. Which labeled structures are found in plant cells but not in animal cells? O Rand S O Sand T O Qand R O Pand Qwhich cell structure would play a role in cell migration? phospholipid bilayer peripheral protein serving as an enzyme intercellular joining between two body cells integral protein serving as a carrier
- QUESTION 53 Classification. The following items are structures found in plant cells. Respond to the statements below with reference to these structures. Can be converted from chloroplasts during fruit ripening - VAbundant in the tubers of root crops such as potatoes a. Amyloplast b. Central vacuole c. Plasmodesmata V May be involved in wound response in plants by allowing cell signaling d. Cell wall e. Chromoplasts QUESTION 54 Classification. Use the five compounds listed below for the following questions. a. Ethanol This compound is utilized in alcoholic fermentation and lactate vfermentation. b. Pyruvate c. Lactate d. Carbon dioxide - This compound is produced by fast-twitch muscle fibers. e. AcetaldehydeA Moving to another question will save this response. Question 8 Protein and starch cannot pass through cell membrane because of their O1. Charge O 2 Large Size O 3 Higher concentration O 4. None of above > A Moving to another question will save this response. HUAWEIHow does plant cytokinesis differ from animal cytokinesis? Opposing forces distribute the cell contents to opposite poles of the cell. a cell plate forms from which the new cell wall will be formed. A cleavage furrow, made possible by contractile rings, form during cytokinesis. O Kinetochore microtubules pull the cell apart.
