QUESTION 78 The shorter urethra in females is one reason why urinary tract infections are more common in females than in males. O True O False QUESTION 79 Penicillins and cephalosporins O are metabolic analogs of PABA and block folic acid synthesis. O interfere with DNA synthesis. O block the peptidases that cross-link glycan molecules. attach to the 30S ribosomal subunit and disrupt protein synthesis. O damage cell membranes. QUESTION 80 Ketoconazole, fluconazole, clotrimazole, and miconazole are broad-spectrum azoles used to treat O fungal O bacterial infections. O virus O protozoan O helminthic
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
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