Practical 7: Potometers & the Rate of Transpiration The?effect of environmental factors on the rate of transpiration?in plants can be measured using a piece of equipment called a?potometer Note...
Drawing Xylem Vessels The internal structure of plants can be examined by taking transverse sections of different parts of a plant, including the leaves, stem and roots Note that cross sections can...
Adaptations of Xerophytes Plants that live in conditions with a?plentiful supply of fresh water?have leaves with a?short diffusion distance through to the stomata?and a?large surface area?provided ...
Active Transport of Minerals in the Roots Within a plant,?mineral ions?are?dissolved in water?and transported in the?xylem?vessels Mineral ions needed by plants include nitrates, phosphates, and po...
Water Transport Within The Xylem The transport of water occurs in xylem vessels, one of the?vascular tissues?found within plants The?cohesive?property of water, together with the structure of the x...
Transpiration & Gas Exchange The majority of?photosynthesis?takes place in the?leaves?of plants Some plants are able to carry out photosynthesis in the cells of their stems During photosynthesi...
Skills: Annotating Chloroplasts Electron micrographs may?differ?in shape and size depending on where the cross section of the organelle was taken Usually the following features should be notable an...
Chloroplast Structure & Function Structure Chloroplasts are the organelles in plant cells where?photosynthesis?occurs These organelles are roughly?2 - 10 μm?in diameter (they are larger than mi...
Investigating Carbon Fixation in Photosynthesis NOS: Developments in scientific research follow improvements in apparatus: sources of 14C and autoradiography enabled Calvin to elucidate the pathway...
Location of the Light-independent Reactions The light-independent reactions of photosynthesis take place in the?stroma?of the chloroplasts The stroma is within the double membrane and is a thick pr...
The Electron Transport Chain in Photosynthesis Photophosphorylation is the term for the overall process of using?light energy?and the?electron transport chain?to?generate ATP?from ADP During photop...
Location of the Light-dependent Reactions Photosynthesis takes place in two distinct stages: The?light-dependent reaction, which relies on light directly The?light-independent reaction, which does ...
