Dhameja Test 2
True or False: Non competitive inhibitors act by binding to the active site of the enzyme which then prevents the substrates from binding there
False
True or False: Spontaneous reactions are known to happen quickly/ instantaneously
False
Alcohol & Lactic acid are by products of ______
Fermentation
In a reaction that is exergonic that delta G will be a ____ value
negative
The DNA in a prokaryotic cell is found in a region called ________
nucleoid
The Diffusion of water molecules is called ____
osmosis
Na + K+ pump maintains both electrical and concentration gradient of ions by pumping 3 Na+ ions _____ of cell while bringing 2 K+ ions ______ the cell
out inside
When a substance loses electron in a reaction, it gets _____
oxidized
The transport of substance that happens without input of energy is called ____ transport
passive
During ____ Rubisco adds O2 instead of CO2
photorespiration
A ____ is made up of 2 complexes, a reaction center complex and a light harvesting complex.
photosystem
NADH & FADH2 are coenzymes is their _____ states
reduced
To have clarity in a microscope image such that two close points in a sample are easily distinguishable, a microscope must have high _______
resolution
The organelle called ________ are site of proteins synthesis
ribosomes
The fluid found inside the chloroplast & outside of Thylakoid is called ____
stroma
____ is an organelle in a cell that functions as a compartment for waste disposal
vacuoles
True or False: During hot arid climates, C4 plant uses the enzyme PEP Carboxylase in order to carry out Photorespiration
False
True or False: During feedback inhibition the end product of a metabolic pathway acts as a stimulator for an enzyme in order for it to continue making the end product
False
the junction between cells that help them interlock to prevent tear and strain are? A. Desmosomes B. Tight junctions C. Plasmodesmata D. Gap junctions
A. Desmosomes
Which one of the 3 stages of Respiration happens in Cytoplasm? A. Glycolysis B. Citric Acid Cycle C. Oxidative Phosphorylation
A. Glycolysis
_____ has the potential to react with water and release energy as it breaks down into _____ and Pi
ATP ADP
The 2 products of light reactions that are used in Calvin cycle are ____ & ______
ATP NADPH
During Chemiosmosis, H+ is funneled from the inner membrane space into the mitochondrial matrix with the help of an enzyme called _____
ATP Synthase
During chemiosmosis, the enzyme ____ harnesses the fall of ______ that occurs across membrane to put together ADP and Pi, to make ATP
ATP Synthase Hydrogen Ions
During which of the following steps FAD turns to FADH2? A. Glycolysis B. Citric Acid Cycle C. Oxidative Phosphorylation D. None of the above
B. Citric Acid Cycle
An animal cell placed in a hypotonic solution will become? A. Plasmolysed B. Lysed C. Flaccid D. Turgid E. Shrieveled
B. Lysed
During which of the following steps in Glyceraldehyde created? A. Carbon fixations B. Reduction C. Regeneration
B. Reduction
A reaction that doesn't need an input of energy to make products from reactants is called A. Endergonic B. Spontaneous C. Anabolic D. Exergonic
B. Spontaneous
Which of the following is not a component of Chloroplasts? A. thylakoid membrane B. Granum C. Cristae D. Stroma
C. Cristae
During which of the following steps NADH turns to NAD+ ? A. Glycolysis B. Citric Acid Cycle C. Oxidative Phosphorylation D. None of the above
C. Oxidative Phosphorylation
Sugarcane is an example of a ____ plant
C4
Pineapple & Cactus are examples of _____ Plants
CAM
The diffusion aided with the help of a transport protein is called ______ diffusion
Facilitated
True or False: A polar molecule is one that is hydrophobic in nature
False
True or False: During cyclic electron flow, 1 molecule of NADPH and 1 molecule of ATP is created
False
Photosystem I contains a special pair of Chlorophyll a molecules called _____
P700
During Fermentation _____ is the final electron acceptor.
Pyruvate
Carbon fixation is catalyzed by the enzyme ____ is C3 plants & _____ in C4 plants
Rubisco PEP Carboxylase
True or False: A cell placed in hypertonic solution will lose water.
True
Anabolic reactions _____ ATP
need
The minimum energy required by a reaction to overcome the energy barrier & proceed is called the _____
activation energy
The site at which an Enzyme binds a substrate (reactant) is called the ____ site
active
A molecule made of both hydrophobic and hydrophilic structures is an _____ molecule
amphiphatic
A reaction that is spontaneous will have a _____ delta G
negative
The pigments that play a role in photosynthesis and also in preventing damage to a cell by absorbing excessive sunlight are called _____
carotenoids
FAD & NAD+ are examples of _____
coenzymes
Free Ribosomes are found floating around in the _____ of a Cell
cytosol
According to the 2nd law of thermodynamics, with every transfer or transformation of energy, there is an increase in the ______ of the universe
entropy
Microorganisms that can survive both aerobic and anaerobic conditions are called ______
facultative anaerobes
When a Cell is placed in Hypertonic solution, the cell will ____ water.
lose