Concept explainers
To explain: The mechanism by which the kinetochore is normally attached to the microtubules in order to push the chromosome apart during cell division from an experiment.
Introduction: Kinetochores are protein complexes that assemble around the centromere of the condensed mitotic chromosome where the spindle microtubules will attach to. The microtubule can attach itself to the kinetochore randomly. There are three possible ways of attachment of the kinetochore with microtubule: amphitelic attachment where two microtubules from opposite poles attach to two kinetochores each; merotelic attachment where two microtubules from opposite poles attach to the same kinetochore; syntelic attachment where microtubule from one pole attaches to two different kinetochores; and monotelic attachment where one microtubule from one pole attaches to one kinetochore.
To explain: The observation about the attachment of the kinetochore that is programmed to attach to microtubules from a particular pole.
Introduction: Kinetochores are protein complexes that assemble around the centromere of the condensed mitotic chromosome where the spindle microtubules will attach to. The microtubule can attach itself to the kinetochore randomly. There are three possible ways of attachment of the kinetochore with microtubule: amphitelic attachment where two microtubules from opposite poles attach to two kinetochores each; merotelic attachment where two microtubules from opposite poles attach to the same kinetochore; syntelic attachment where microtubule from one pole attaches to two different kinetochores; and monotelic attachment where one microtubule from one pole attaches to one kinetochore.
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Chapter 18 Solutions
ESSENTIAL CELL BIOLOGY-TEXT (PB)
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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