Question

72.
draggable item \t \t corresponding item
b \t → \t water
h \t → \t light reactions in the thylakoid
e \t → \t light energy
k \t → \t oxygen
\t → \t atp
*list these in in abc order for the autograding to give you full credit!
(image of a chloroplast with labels a, b, c, d, e, f, g, h, i, j, k)

Explanation:

To solve this, we analyze the chloroplast diagram and photosynthesis processes:

• B: In photosynthesis, the thylakoid (where light reactions occur) uses light energy, but the draggable item B should correspond to the light - dependent reactions' location? Wait, no, re - evaluating: The light reactions happen in the thylakoid (B's area). But the draggable items and their correspondences:
• B should correspond to "light reactions in the thylakoid" (as the thylakoid is where light reactions occur).
• H: In the Calvin cycle (the other part of photosynthesis, in the stroma), carbon dioxide is taken in. But wait, the draggable items: Wait, the "water" is used in light reactions. Wait, no, let's correct:
• B: The structure B is the thylakoid, where light reactions (light - dependent reactions) occur, so B → light reactions in the thylakoid.
• H: In the Calvin cycle, carbon dioxide is an input, but in the given correspondences, "water" is a reactant in light reactions. Wait, maybe I misread. Wait, the draggable items and their correct matches:
• B (thylakoid) → light reactions in the thylakoid (since light reactions happen in thylakoid membranes).
• H: If H is an input to the Calvin cycle, but in the given correspondences, "water" is a reactant in light reactions. Wait, the correct matches (assuming standard photosynthesis):
• Light energy (C is light, but draggable item E? Wait, the draggable items: E, B, H, K. Wait, the problem is a drag - and - drop for photosynthesis components.
• B (thylakoid) → light reactions in the thylakoid (because light reactions occur in thylakoid membranes).
• H: Let's check the other items. Wait, the correct matches (based on photosynthesis):
• Light energy: is captured by chlorophyll in thylakoid, but the draggable item E? Wait, maybe the intended matches are:
• B → light reactions in the thylakoid (thylakoid is the site of light reactions)
• H → water? No, water is split in light reactions. Wait, perhaps the correct drags are:
• B (thylakoid) → light reactions in the thylakoid
• H (input to Calvin cycle? No, Calvin cycle takes CO₂, but maybe H is water? No, water is in light reactions. Wait, maybe the problem has some labels. Let's re - express: In photosynthesis, light reactions (in thylakoid, B) use light energy (C), water (A? Maybe), produce oxygen (D), ATP (K), NADPH (J). Calvin cycle (in stroma, G) uses CO₂ (H), ATP (K), NADPH (J), and produces glucose (I). So the correct drags:
• B → light reactions in the thylakoid (since B is thylakoid, where light reactions occur)
• H → water? No, water is a reactant in light reactions. Wait, the given correspondences: the "water" is a reactant in light reactions, which happen in B (thylakoid). Wait, maybe the correct matches are:
• B → light reactions in the thylakoid
• H → (if H is water, but water is used in light reactions). Wait, perhaps the intended answers (assuming the problem's setup):
• B → light reactions in the thylakoid
• H → water (but water is used in light reactions, which are in B). Maybe the problem has a different labeling, but based on the options, the correct drag for B is light reactions in the thylakoid.

Answer:

B → light reactions in the thylakoid
(For the other items, if we continue:
H → water (assuming H is water input to light reactions)
E → light energy (if E is the light energy captured)
K → oxygen (product of light reactions, water splitting)
But the main one asked? Wait, the problem is a drag - and - drop, and the first part (B) should be matched to "light reactions in the thylakoid".)