True or false Enzymes are not only proteinaceous in nature, but some RNA molecules such as ribozymes can also be enzymes. Group of answer choices
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- Ribozyme is class of molecule that is made of RNAs (thus "ribo" in its name) and amino acids (thus "zyme" in its name). True FalsePeptidoglycan (PG) is a heteropolymer that consists of glycan strands cross-linked by short peptide fragments and makes up the cell wall of archae . True FalseWhich of the following terms describes only the protein component of a typical enzyme? cosubstrate prosthetic group apoenzyme holoenzyme cofactor
- Which of the following is not a top category for enzymes according to the International Classification of Enzymes? Transferases Ligases Proteases IsomerasesTrue or False: Bacteria use inclusions for secretion of enzymes.Penicillin is an antibiotic. It kills bacteria by preventing the formation of the peptidoglycan layer of the bacterial cell wall. Penicillin does so by inhibiting the enzyme Transpeptidase, which is required for peptidoglycan layer formation. What type of inhibitor is Penicillin? Explain.
- Enzymes have all the following characteristics except: a. they act as biological catalysts b. they are proteins c. they carry out random chemical reactions d. they convert substrates into products e. they can cause genetic diseaseA ribozyme consists of ___________. a. clay c. DNA b. lipids d. RNAPenicillin,an antibiotic inhibits the formation of cross links between sugar groups in peptidoglycan.Bacteria treated with penicillin should be:
- Which of the following statements is false? Macromolecules are able to take on characteristics or functions that their building blocks do not have. Unfavourable reactions can sometimes proceed by being coupled to favourable ones. Compartmentalization is often used to separate biochemical reactions. Biomolecules in the cell exist in relative isolation from each other and rarely have an opportunity to interact. Macromolecules are often derived from smaller building blocks such as amino acids.Choose the option that is best described by each of the following statements 1 1. Attacks the N-terminus 2. Uses proteins as substrates 3. Trypsin is an example 4. Breaks down short peptides 5. Cleaves C-terminal amide bonds 6. Pepsin is an example Aminopeptidase Protease aspartvl protease Peptidase Peptidase serine proteaseAn organic cofactor (usually derived from a vitamin or a nucleotide), which is tightly attached to the enzyme (like FAD when used by the Krebs cycle enzyme succinate dehydrogenase), is always called: the metalloenzyme the metal-activated enzyme the holoenzyme the prosthetic group the cosubstrate