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Biology photosynthes

Photosynthesis & Respiration

QuestionAnswer
catabolic pathways those that break down organic molecules for energy
anabolic pathways those that build up organic molecules to store energy for later use.
All living organisms perform some kind of.. cellular respiration
what categories can Cellular respiration be divided into? aerobic and anaerobic
Aerobic respiration uses molecular oxygen (O2) as the final electron acceptor in the reaction pathway
Anaerobic pathways do not use ____ as they perform respiration Anaerobic pathways do not use oxygen as they perform respiration
what is the Aerobic Respiration formula C6H12O6 + 6O2 + 6H2O → 6CO2 + 12H2O + energy (ATP)
what is the Photosynthesis formula? 6CO2 + 12H2O + energy (light) → C6H12O6 + 6O2 + 6H2O
what are the 4 stages of respiration? Glycolysis The formation of acetyl CoA The citric acid cycle Oxidative phosphorylation
what happens in the Glycolysis stage? Glycolysis is the first stage of aerobic respiration, but it is also a part of all other known cellular respiration pathways. It involves the conversion of glucose (C6H12O6) into two 3-carbon molecules of pyruvate. Glycolysis takes place in the cytosol of
The formation of acetyl CoA The formation of acetyl CoA involves the conversion of each pyruvate into acetyl-CoA, releasing one CO2 for each pyruvate reactant.
The citric acid cycle The citric acid cycle oxidizes the remaining carbon atoms of each acetyl-CoA to CO2.
Oxidative phosphorylation During each of the first three stages, the original organic carbon atoms are oxidized to CO2 as their electrons are collected into the high energy compounds NADH and FADH2. In the final stage, oxidative phosphorylation, NADH and FADH2 deliver their energy
The electron ______ chain is a series of membrane complexes that _______ energy-rich electrons from one complex to another in a _____. The electron ______ chain is a series of membrane complexes that _______ energy-rich electrons from one complex to another in a _____.
The energy from the _____ is used to pump protons across the inner ________ membrane. The energy from the electrons is used to pump protons across the inner mitochondrial membrane.
Anaerobic respiration a pathway present in some prokaryotes is remarkably similar to aerobic respiration
In fermentation, the reactions of glycolysis still occur, making 2 ATPs by substrate-level phosphorylation. why does this happen? Because O2 is not available, fermenting organisms then convert the glycolysis product, pyruvate, into a waste product such as ethyl alcohol or lactic acid
photosynthesis is the opposite of... respiration
what happens in photosynthesis? light energy is converted into an organic molecule form such as glucose.
Plants, algae, and some kinds of bacteria are capable of performing what? photosynthesis
The photosynthetic pathway can be divided into two stages. what are these stages? the light-dependent reactions and the carbon fixation reactions
The carbon fixation reactions can also be called... Calvin cycle
how does the Calvin cycle begin? The Calvin cycle begins withthe uptake of 6 CO2 molecules for each glucose to be made.
The rubisco ____ will combine O2 (instead of CO2) with ____ when CO2 levels ____ particularly low. The rubisco enzyme will combine O2 (instead of CO2) with RuBP when CO2 levels become particularly low.
plants are species that have evolved to avoid ___________ in environments that are especially ___ ____ ____. plants are species that have evolved to avoid photorespiration in environments that are especially dry and hot
Created by: yatzeni
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