Each type of work shown here is powered when an enzyme transfers phosphate from ATP to a recipient molecule. Motor protein ATP ADP +P ADP Protein moved (a) Motor protein performing mechanical work (moving a muscle fiber) Solute Transport protein. P. АТР ADP + P Solute transported (b) Transport protein performing transport work (importing a solute) ↑

During cellular respiration, approximately 34 ATP are produced from one molecule of glucose.  a. How Many ATP are made during glycolysis? b. How many ATP/GTP are made during the Citric Acid Cycle?  c. How many are made during oxidative phosphorylation? d. If you recall electrons from FADH2 pump less proton than electrons from NADH, This is because Complex II does not pump electrons. Because of this FADH2 leads to the production of less ATP, 1 FADH2 produces about 1.5 ATPs Given this value how many ATP are NADH electrons worth?  Please answer all parts with good explanation

The reaction pictured is an oxidation-reduction reaction in the citric acid cycle in which the energy-carrier molecule NADH is generated. Identify which molecule in the reaction will be oxidized and which molecule will be reduced. Place a single answer choice in each box. COO- HO-C-H H-C-H COO- Malate NAD+ NADH + H+ Oxidized malate oxaloacetate COO- H-C-H ī COO- Oxaloacetate Reduced NADH NAD+

A new ATP-producing protein is discovered that couples ATP production to the oxidation of NADPH by oxidative phosphorylation. Assume that the value of ΔGo for ATP synthesis is 30 kJ•mol−1. If this protein only produces 1 molecule of ATP per reaction that consumes one NADPH: a. How much free energy is wasted, under standard conditions?b. How many more ATP molecules could be created by a perfectly efficient electron transport chain from one NADPH?

Below is an image showing how cellular respiration is regulated. Imagine someone ingested a toxin that prevents pyruvate from entering the mitochondria. Which of the following statements is true? Inhibits ATP Glucose GLYCOLYSIS Copyright 2018 Pearson Canada Inc. Fructose 6-phosphate Phosphofructokinase Fructose 1,6-bisphosphate Pyruvate Acetyl COA CITRIC ACID CYCLE Oxidative phosphorylation AMP I Stimulates Inhibits Citrate The amount of citrate in the cell would decrease, leading to a decrease in the activity of phosphofructokinse. The amount of citrate in the cell would increase, leading to a decrease in the activity of phosphofructokinse. The amount of citrate in the cell would decrease, leading to an increase in the activity of phosphofructokinse. The amount of citrate in the cell would increase, leading to an increase in the activity of phosphofructokinse.

Kinases catalyze the transfer of a phosphate group from a phosphate donor such as adenosine triphosphate (ATP) to a substrate. A well‑known kinase is hexokinase. Hexokinase catalyzes the first step of the glycolysis cycle, and converts glucose to glucose‑6‑phosphate. The reaction of glucose with ATP is shown. The enzyme‑bound base is abbreviated as :B−, and ATP is abbreviated as a diphosphate bonded to adenosine monophosphate (AMP).

Question 1: The 4 kinase steps in glycolysis are catalyzed by hexokinase, phosphofructokinase, phosphoglycerate kinase, and pyruvate kinase. Write each of these four reactions, including all participants. i. ii. iii. iv.