Movement into & out of Cells
1. This question has 4 part(s).
1.1. Complete Table 1 by placing a tick (✓) in the appropriate boxes.
Table 1
Simple diffusion | Osmosis | Facilitated diffusion | Active Transport | |
Movement of glucose from high to low concentration | ||||
Movement down a concentration gradient | ||||
Movement of water from high water potential to low water potential. | ||||
Movement of oxygen from the plasma into a red blood cell |
1.2. Figure 1 below shows a group of onion cells viewed under an optical microscope.
Figure 1
Explain the appearance of the cytoplasm that can be seen in Figure 1.
1.3. A student took a cheek cell sample using a cotton swab and placed the cells into a test tube containing pure water. Predict what would happen to the cheek cells in the test tube.
1.4. The onion cells from part b) were also placed into pure water, but the effect on these cells were slightly different. State how the effect would be different and explain why.
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
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