Photosynthesis occurs in the chloroplasts packed within the mesophyll cells. Summer leaves are green because they contain about 50 times more chlorophyll than carotenoids. But during the fall, carotenoids have their season of glory because chlorophyll breaks down first, revealing the striking orange and yellow colors of carotenoids, which were there all along. The changes that leaves undergo before they fall off allow the plant to reclaim nutrients from the leaves for storage and use the following spring. How do these nutrients leave the leaf ?

The Calvin cycle (light-independent reaction) occurs in the Matrix Xylem Cristae membrane Stroma Thylakoid membrane

Is most of the light used in the photosynthesis is absorbed by chlorophyll a or b?

CH2 H CHз chlorophyll а СНO chlorophyllЬ CH H3C- -CH2- CH3 N. HC Mg** CH H3C CH3 H2C H. CH2 CH2 C20H390 CH3 „CH3 H3C, CH3 CH3 CH3 H3C- CH= CH C14H16= —С—сH— CH. CH2 С H2C CH2 CH2 H2C H3C CH3 H2 Carotene CH3 H3C, CH3 CH3 CH3 H3C- C14H16 CH=CH CH2 CH= CH- С— C- H2C HO, H3C CH3 H2 Хanthophyll H2 우

If plants need CO2 to construct glucose (by photosynthesis), why is the rising level of CO2 in the atmosphere cause for concern? You’d think more CO2 would accelerate plant growth, and that would be a good thing.

Plant shoots include stems, leaves, and flowers. Monocot stems have their vascular bundles arranged in a ring pattern in the ground tissue. Eudicots have their leaf veins arranged in a parallel pattern. Photosynthesis in leaves takes place in the mesophyll layer Eudicots possess a large taproot.

Opening and closing of pores is a function performed by:         I.   Stomata       II.   Chlorophyll      III.   Chloroplast      IV.   Guard cells

Identify the strategies that CAM (crassulacean acid metabolism) plants use to minimize water loss while obtaining CO2 (carbon dioxide) for photosynthesis. form a four-carbon molecule as the first step in fixing CO2 Okeep stomata closed throughout the hot and dry seasons Ostore carbon in vacuoles overnight and synthesize sugars during the day O conduct the Calvin cycle in bundle sheath cells instead of mesophyll cells

In a photosynthetic plant cell, chlorophyll is located: a. in the stroma b. in the outer membrane of the chloroplast envelope c. in the intervascular space of the chloroplast d. in the inner membrane of the chloroplast envelope e. in the thylakoids

Your friend is looking for advice for growing healthy houseplants. With what you read in the textbook about photosynthesis, provide your friend with three specific factors that are key to successful plant growth. Provide specific details as to why you chose these factors and how your friend can make sure the plants are able to maximize their photosynthetic rate.