Zadanie 27
Which model represents a typical mature eukaryotic mRNA after processing? A. P B. Q C. R D. S
- Materiał graficzny
Wczytuję zadania…
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.
Wybierz umiejętność, rok lub poziom trudności.
Pokazujemy tylko poziomy, dla których mamy zadania.
Znaleziono 1558 zadań
Which model represents a typical mature eukaryotic mRNA after processing? A. P B. Q C. R D. S
A short segment of a DNA template strand is written as 5′–AGTC–3′. Which RNA segment is complementary and antiparallel to it? A. 3′–AGTC–5′ B. 3′–UCAG–5′ C. 5′–UCAG–3′ D. 3′–TCAG–5′
A cell synthesizes one enzyme for its cytosol and another protein for secretion. Which ribosomal locations are normally associated with these destinations? A. Both destinations require ribosomes inside lysosomes B. Only ribosomes on membranes can synthesize…
Assume the inhibitors follow the standard competitive and non-competitive models. Which deduction is supported by these curves? A. P competes at the substrate-binding site and can resemble the substrate B. Both compounds must have the same mechanism C. Q…
This pathway is controlled by end-product feedback inhibition. Which interaction provides that control? A. Threonine activates every molecule of isoleucine B. Intermediate Q permanently removes all later enzymes C. E5 inhibits threonine only after threonine…
Which row correctly identifies substances involved in glycolysis? A. Inputs contain no ATP; outputs contain no reduced electron carrier B. Inputs include glucose and ATP; outputs include pyruvate, reduced NAD and ATP C. Inputs are pyruvate and oxygen; outputs…
Which feature is shared by the Krebs cycle and the Calvin cycle? A. Both include a reduction step B. Both have ATP as their main net product C. Both consist entirely of breakdown reactions D. Both occur in the mitochondrial matrix
Which listed photosynthetic process directly consumes ATP? I. Photolysis of water II. Regeneration of ribulose bisphosphate III. Building the light-driven thylakoid proton gradient A. I and II B. II and III C. II only D. I only
Which statement about chemiosmotic ATP synthesis is correct? A. ATP synthase makes ATP by pumping protons uphill without an energy source B. It occurs across inner mitochondrial membranes and thylakoid membranes C. Its immediate driving force is diffusion of…
Which proposed features describe mature phloem sieve-tube elements? I. Perforated end walls permit sap movement between adjacent elements. II. Each mature element retains a large nucleus controlling its metabolism. III. The wall is lignified like a xylem…