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Jun 29, 2024 · Study with Quizlet and memorize flashcards containing terms like What makes ionic bonds different from covalent bonds?, Why are hydrogen bonds and van der Waals interactions necessary for cells?, How many neutrons do carbon-12 and carbon-13 have, respectively? and more.
Jul 16, 2024 · Since the amino and the acidic groups have opposite electrical charges, an AA (an amphoteric electrolyte) acts as a base or an acid by accepting and supplying a hydrogen ion, respectively. Thus, all AA form intramolecular salts both in the crystalline state and in aqueous solution.
Jun 29, 2024 · Study with Quizlet and memorize flashcards containing terms like A substance that produces hydrogen ions in solution; alternatively, a proton donor, A substance that produces hydroxide ions in solution; alternatively, a proton acceptor, When the Ka value is very large, the are favored over the . and more.
2 days ago · An amino acid is the fundamental molecule that serves as the building block for proteins. There are 20 different amino acids. A protein consists of one or more chains of amino acids (called polypeptides) whose sequence is encoded in a gene.
Jun 28, 2024 · Bases are substances that can accept hydrogen ions (protons) or donate a pair of valence electrons to form a bond. They have a bitter taste, feel slippery, and turn red litmus paper blue. In a laboratory setting, you can identify a base using indicators like phenolphthalein, which turns pink in a basic solution.
- Good conductors of electricity
- Bitter
- Above 7
- Slippery
2 days ago · Nicotinamide adenine dinucleotide ( NAD) is a coenzyme central to metabolism. [3] Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide.
Jul 17, 2024 · Underneath the deep fascia is the strong fascia called tunica albuginea, forming an individual capsule around each cavernous body and fused in the midline. The incomplete septum between the two corpora is comprised of tunica albuginea.
