12) B. The organism would suffer as its cells would be less able to provide the energy needed to carry out life functions.
13) D. The central vacuoles in the cells lose water and can no longer help support the cells.
14) A. It acts as a framework inside the endoplasmic reticulum and keeps it from collapsing.
15) D. The cell's energy level will diminish as the enzyme decreases.
16) C. Whales are able to conserve oxygen better than humans.
17) A. Glycolysis
18) i dont know this one but maybe B
19) B. It is turned into more chlorophyll for the plant.
20) B. The chloroplasts would be unable to generate ATP.
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Answer;
-On the polar end or the hydrophillic end of the protein.
Explanation;
-Each amino acid has at least one amine and one acid functional group as the name implies. The different properties result from variations in the structures of different R groups.The R group is often referred to as the amino acid side chain.
-Side chains which have various functional groups such as acids, amides, alcohols, and Amines will impart a more polar character to the amino acid. Polar amino acids include serine, threonine, asparagine, glutamine, histidine and tyrosine.
Therefore; serine being a polar or hydrophillic amino acid will be found on the polar side chain of the protein.
I'm almost positive it is tissue because all organ have tissue but most have muscles, blood, veins
It is located <span>midway on the anterior surface of the shell.</span>
Dopamine is a chemical released by neurons to send signals to other nerve cells. the brain includes several distinct dopamine pathways, one of which plays a major role in reward motivated behavior.
smoking is a habit, in a habit there is the cue, routine, and reward. with smoking the cue can be different things, most commonly stress or anxiety. the routine how you react to those cues, the reward is the chemical 'triggers' that are pulled inside you're brain leaving you feeling calm, happy, or relieved, etc.