TRUE.
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A </span>ribozyme<span> is a ribonucleic acid (RNA) enzyme that catalyzes a chemical reaction. The </span>ribozyme<span> catalyses specific reactions in a similar way to that of protein enzymes. Also called catalytic RNA, </span>ribozymes<span> are found in the ribosome where they join amino acids together to form protein chains.
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Answer:
Carbon dioxide
Explanation:
The Lewis structure of carbon dioxide shows that the carbon in CO2 must make 2 sigma bonds and it has no lone pairs.
The bond angle from O = C = O is 180° because the geometry is a linear geometry.
57. Answer is d. less concentrated since water passes from B to A.
Osmosis is the movement of water molecules from a region of higher water concentration to a region of lower water concentration. So water will move from B to A, making it less concentrated solution.
An important part to notice here is that its the movement of water molecules (or any other solvent) through the membrane and not the particles dissolved in the water.
58. Answer is a. It will rise in side A since water (not the substance in it) will tend to pass from the area of greater concentration to the area of lesser concentration.
The right answer to this question is option A. O2 in the atmosphere.
The main reason why it's a true that organisms would grow larger than we have today with more oxygen available is pretty simple to understand, their respiratory systems were smaller than we have today, and even though it was a small one, it was enough because of the higher presence and concentration of O2 in the atmosphere.
Some studies were held nowadays to check this possibility, to see if the O2 was the real main reason for this, and the animals used in it really grew bigger than usual, so by that, they confirmed their hypothesis by testing it.
