unit 2 clicker questions

AB -> A + B Given the Gibb's Free Energy (G) values listed below, what is the ∆G for the reaction listed above? AB = 35 kcal/mol A + B = 10 kcal/mol

-25 kcal/mol

The breakdown of a molecule of Glucose 1‐phosphate has a ∆G = ‐5.1 kcal/mol. If we paired this to the reaction below it, what would our coupled ∆G be? ∆G=7.3

2.2 kcal/mol (-5.1+7.3)

During the light reactions, the captured light energy in Photosystem II is used ultimately to create ________, while the captured light energy in Photosystem I is used to ultimately create _________.

ATP, NADPH

light reactions produce

ATP, NADPH, O2

During oxidative phosphorylation, the energy to produce ATP comes from ________, whereas it comes from _________ during substrate‐level phosphorylation.

An electrochemical gradient; breaking other bonds

Which of the following is not a product of the fermentation process in humans?

CO2 + Ethanol

Which of the listed bonds will have the lowest potential energy yield when broken?

Carbon/Oxygen bond

if the membrane is only permeable to glucose and water, what will be the fate of each?

Glucose in, Water out, Ions don't move

During the light reactions of photosynthesis:

Sunlight energy is converted into chemical energy

What type of membrane transport do we observe for the H+ ions here in ATP Synthase?

active transport

why do plants gain the largest contribution to biomass from the air

because the carbon dioxide from the air is fixed to make organic carbons which make macromolecules

Which of the following is present in prokaryotes, but not necessarily in eukaryotes?

cell wall

is Calvin cycle endergonic or exergonic

endergonic

Which of the molecules below is a polymer of amino acids that speeds up reactions?

enzyme

what type of movement is used in atp synthase

facilitated diffusion

Which electron above has the highest potential energy?

farthest from nucleus

dark reactions produce

glucose

As you stretch a rubber band, it's potential (free) energy ______, which makes the act of stretching it a(n) _______ reaction.

increases, endergonic

The membranes of winter wheat are able to remain fluid when it is extremely cold by_____.

increasing the percentage of unsaturated phospholipids in the membrane

When is oxygen produced during photosynthesis?

light reactions

what produces energy in cells?

mitochondria

water is _____ when split in light reactions

oxidized

During the process of glycolysis the carbon in glucose is ____; to complete the complementary reaction, we see ____ produced in this process.

oxidized, NADH

water is oxidized in

photosynthesis

The reaction above has a_____, which makes it_____.

positive delta g, endergonic

where in the cell is protein made

rough ER

what in the cell synthesizes fat?

smooth ER

dark reactions occur in

stroma

the dark reactions occur in the

stroma

As they grow, the largest contribution to plant biomass comes from ________________.

the air

which situation has lower entropy- a deck of cards in a stack or all around the floor?

the deck of cards in a stack

Which enzyme is being competitively inhibited? ASK.......

the enzyme blocked at active site

light reactions occur in the

thylakoid membrane