Zadanie 4
In a model reaction, glycine and serine join through a single peptide linkage. Which additional product is released by this condensation? A. A molecule of carbon dioxide B. A phosphate ion C. A molecule of water D. A molecule of oxygen
Represent condensation between amino acids and explain how repetition forms a polypeptide chain.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2026.
In a model reaction, glycine and serine join through a single peptide linkage. Which additional product is released by this condensation? A. A molecule of carbon dioxide B. A phosphate ion C. A molecule of water D. A molecule of oxygen
A pancreatic beta cell makes a polypeptide destined for insulin secretion. Where is the chain synthesized, and which bonds connect its amino acids? A. On Golgi membranes; ester bonds B. On ribosomes attached to rough ER; peptide bonds C. In lysosomes; hydrogen…
State both products when two free amino acids undergo a condensation reaction forming one peptide bond.
A model protein contains three separate linear polypeptide chains, each with 24 amino-acid residues. There are no peptide links between chains. How many peptide bonds are present? A. 75 B. 69 C. 71 D. 72
Which group occupies the unmodified end X of this polypeptide? A. A phosphate group B. A second free amino terminus C. A methyl group only D. A carboxyl group
Which process produces the molecule shown from its monomers? A. Hydrolysis joins two nucleotides B. Condensation joins three amino acids C. Condensation joins two fatty acids D. Hydrolysis joins three amino acids
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.