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In plants, mature cells can revert to an undifferentiated state are called _______.
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- The cells that look like lips in the photo marked D are called_________________________________.for this week's lab, you will be studying images of the onion root and identifying cells in various stages of the cells cycle. Using the practice image given in the handout, explain how you are albe to tell the stages apart.Indicated regions of the meristem diagramed below, what differences in cell division patterns can we observe between the regions labeled (3) and (4)?
- Tomato plants are 2N=24. Use this information to answer this question. Immediately before S phase of the cell cycle, there would be 24 chromosomes in a tomato leaf cell. 1. True 2. FalseMost of the red, blue and purple colours of plants are due to a pigment called_______?In plants, each cell consists of a box-like _________________________ surrounding a mass of _______________, which in turn contains its own smaller parts, the __________________________.
- Regulation of the cell cycle is very important. Explain what may happen if the mechanisms regulating the cell cycle stop working.Plants do not have centrosomes, how is mitosis made possible? Explain it in a detailed manner.Some herbicides, such as 2,4-D, are believed to make plant cells divide more rapidly than normal. Suggest why applying such herbicides would affect the survival of the plants.
- factors required for the germination process of different type of seeds.no need to explain just need to know if its a,b,c or d 1.) The life cycles of some plants contains two alternating generations of adults. The diploid adult is called the sporophyte generation and the haploid adult is the gametophyte generation. The diploid plants of the sporophyte generations produce spores by the process of: a.) amitosis b.) meiosis c.) mitosis d.) binary fission 2.) A scientist was examining a human cell with 22 pairs of autosomes, an X chromosome and a Y chromosome. What conclusions can we drawn about the cell? a.) It is a somatic, diploid and male cell. b.) It is a somatic, diploid and female cell. c.) It is a gametic, haploid and male cell. d.) It is a gametic, diploid and male cell. 3.) What will be the number of chromosomes in Turner’s syndrome and Klinefelter's syndrome of an organism whose haploid number is 20? a.) 39 in Turner’s syndrome and 41 in Klinefelter’s syndrome b.) 41 in Turner’s syndrome and 39 in Klinefelter’s syndrome c.) 19 in Turner’s…Cytokinesis , or division of the cytoplasm to create two new daughter cells , occurs in conjunction with telophase . Examine the telophase micrographs of the onion root tip and whitefish blastodisc cells . How does cytokinesis look different for these two cells ? Explain why cytokinesis looks different between those cells