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- Why new banana plants produced by traditional methods are likely to be infected with pests and diseasesPlants adaptations and resistance to high temperature.A student prepares a cell homogenate from spinach leaves. She performs a cell fractionation experiment to determine the shortest amount time of centrifugation at 2000xg that will yield the highest percentage of chloroplasts in the pellet fraction. She splits the spinach homogenate into 5 equal parts and centrifuges the parts at 2000xg for 0, 5, 10, 15 or 20 min. She then determines the proportion of chloroplasts in the supernatant and pellet fractions. The controlled variable(s) in the student's experiment is/are: CHECK ALL CORRECT CHOICES. use of same plant homogenate throughout proportion of chloroplasts in cach fraction hoe of centriugation in minutes
- Whether wilted lettuce be soaked in salt water, tap water, sugar water, or be placed in light to rejuvenate it.Plant growth and developmental adaptations in cold regions.Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. The sieve tube members of the phloem tissue are tubes of non-living cells that distribute organic compounds in the whole plant.