AP BIOLOGY

CELL RESPIRATION

ATP ADENOSINE TRIPHOSPHATE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the disc like structures found within the chloroplast that are the site of the light reactions
A
chlorophyll
B
stroma
C
thylakoid
D
glucose
Explanation: 

Detailed explanation-1: -The light reaction takes place in the thylakoid discs. There, water (H20) is oxidized, and oxygen (O2) is released. The electrons freed up from water are transfered to ATP and NADPH.

Detailed explanation-2: -the flattened disc like sac in chloroplast is called thylakoid. Thylakoids float freely within the chloroplast’s stroma. In higher plants, they form a structure called a granum that resembles a stack of coins 10 to 20 high.

Detailed explanation-3: -Chloroplast thylakoids frequently form stacks of disks referred to as grana (singular: granum). Grana are connected by intergranal/stromal thylakoids, which join granum stacks together as a single functional compartment.

Detailed explanation-4: -The thylakoids are disklike structures that form stacks within the chloroplast of a plant cell, as seen in Figure 1. They are well adapted to this role, as they contain photosystems.

There is 1 question to complete.