T/F? In the citric acid cycle, ATP is produced by a substrate-level phosphorylation. T/F? Lipoamide is covalently linked to E2 of pyruvate dehydrogenase through an amide bond to the side chain of a Lys residue.
T/F? Lipoamide takes the acetyl group from TPP.
T/F? Fructose 2,6-bisphosphate activates glycolysis and inhibits gluconeogenesis via conversion of fructose 1,6-bisphosphate.
T/F? Carbons from glucose enter the citric acid cycle in the form of acetyl CoA.
T/F? The brain uses ketones instead of glucose for ATP production during long-term fasting.
T/F? Reduced dihydrolipoamide is oxidized by transferring electrons and protons to NAD+.
T/F? The aconitase reaction isomerizes Citrate to Isocitrate through an enediolate intermediate.
T/F? Oxaloacetate is carboxylated and then phosphorylated to produce phosphoenolpyruvate.
T/F? Gluconeogenesis is not the exact reversal of all steps in glycolysis.
T/F? The first step of gluconeogenesis takes place in mitochondrial compartment.
T/F? The thiol group of CoA attacks amide bond of acetyllipoamide to create the thioester bond of acetyl-CoA.

Science27 of the most iconic, jaw-dropping photos of the earth and the moon from spacedave mosher  oct 1, 2018, 11: 13 am etnasa/flickrapollo 11 astronauts took this photo of earth on july 20, 1969.from the ground, earth looks like a boundless fertile plain that beckons to be explored and exploited.but astronauts would beg -  and even plead  - to differ."you realize that people often say, 'i hope to go to heaven when i die,'" jim lovell, an astronaut who flew on the apollo 8 and apollo 13 missions to the moon, previously  told business insider. "in reality, if you think about it, you go to heaven when you're born."lovell has seen first-hand that we live on a tiny rock hopelessly lost in the void. he's also quick to tell you it's the only one we've got - a  fragile spaceship  for more than 7 billion people: "you arrive on a planet that has the proper mass, has the gravity to contain water and an atmosphere, which are the very essentials for life. and you arrive on this planet that's orbiting a star just at the right distance - not too far to be too cold, or too close to be too hot - and just at the right distance to absorb that star's energy and then, with that energy, cause life to evolve here in the first place. in reality, you know, god has really given us a stage, just looking at where we were around the moon, a stage on which we perform. and how that play turns out is up to us, i guess."humanity has recorded photos of earth from hundreds, thousands, millions, and even billions of miles away, some of them taken by lovell himself.these images not only scientists study our dynamic world, but also understand how a habitable planet looks from afar, which aids the search for  more worlds. most importantly, however, the images underscore our peculiar existence on  a mote of cosmic dust.take a moment to ponder 27 of the most arresting images of earth that humankind has ever captured from space.a

You should never redesign your experiment. try and see what in your experiment you made a mistake on or try and test your experimemt with somebody else. see if they get the right results.