B methylated sprits te tille iodine solution a pipette Method healthy leal shape cut out of aluminium foil Cut out a shape of your choice from piece of aluminium foil 2. Wrap the toil around one of the leaves of the pot plant so that the cut-out shape is in the middle of the top surface of the balas shown in Figure 4.6 About hall of the leal should be covered with foil and the other halt exposed to light 3. Draw a diagram to show what the leat looks like when it is partly covered in to 4. Leave the pot plant in a sunny position for several hours. 5. Remove the leaf from the plant and test for starch (as in Practical activity ) 6. Draw a diagram to show what the leal looks like after it has been tested for starch. aluminium foil Fig. 4.6 A leaf partly covered with Questions aluminium foil 1. Why must the pot plant be kept in the dark for 48 hours before being used for the 2. 12 investigation? Which part of the leaf is the experiment) (Remember that the experiments the part of the apparatus that is exposed to the variable that is being tested Which part of the leaf is the control? (Remember that the control is the par of the apparatus that is not exposed to the variable that is being tested 4. What did you observe when the leaf was tested for starch? 5. Explain your results. 3.some help​

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

what is shown in the image?

eukaryote

chloroplast

mitochondrion

submitted

picture a world where computers are building made-to-order personalized robotic arms and synthetic organs, drones are circulating above mars! due to the rapid growth of technology, the future has never been more unpredictable, and it presents a huge challenge in education: we are teaching students how to work in a future that we have never been unsure of. it is widely predicted that in eight years’ time, there will be more jobs in the fields of science, mathematics, technology and engineering than in any other discipline. and, as the technology continues to develop, it will soon become clear that addressing social problems will involve more innovative thinking, and analytical and technical knowledge than ever before. undeniably, there are no subjects that encourage innovative and creative thinking, deep thought, problem solving and independence more than the stem subjects. while it is widely commented on that there is a need to reimagine the ways stem subjects are taught in schools by embracing a more interactive and innovative approach to appeal to more students, it should come as no surprise that some of the most reputable educational organizations in the world are already implementing changes to embrace stem. harvard, for example, announced in 2014 that they were increasing their computer science faculty by over 50% and has since introduced computer science as a core subject for all freshmen. the urgency of supporting stem subjects at a young age is becoming more relevant than ever, as adopting a keen interest in the curricula needs to happen early. however, beyond the age issue is one of gender.

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