Answer:
D to produce energy-carrier molecules
Explanation:
The main function of the Krebs cycle is to produce electron carriers that can be used in the last step of cellular respiration.
Answer: Paleozoic
Explanation:
Not as many rocks existed from the precambrian era
<span>R group (or side chain) is an organic component of amino acids that is unique to each amino acid. </span> <span>Three of the amino acids have basic side chains at neutral pH: arginine (Arg), lysine (Lys), and histidine (His). Their side chains contain nitrogen and resemble ammonia, which is a base and their pKa's are high enough that they tend to bind protons, (positive charge). Aspartic acid or aspartate (Asp) and glutamic acid or glutamate (Glu) are acidic amino acids because their side chains have carboxylic acid groups whose pKa's are low enough to lose protons, (negatively charged). The non-polar amino acids contain uncharged functional groups<span> at physiological pH and are incapable of participating in hydrogen bonding. </span></span>
*A slab push is a term given to tectonic plates that cause pressure from a down-dip motion. An example of this type of plate structure is where the Nazca plate and the South American plate meet near Peru
<span>The eggs become the seed (first zygote), while the surrounding ovary becomes the fruit of the plant (first, the embryo). This process occurs during the fertilization of a plant and is complex in nature but happens all around us all of the time. The fruit that is developed contains one or more seeds at the end of the process.</span>
