In comparing phagocytosis with pinocytosis, pinocytosis... is used to internaliz

Question

In comparing phagocytosis with pinocytosis, pinocytosis... is used to internalize apoptotic cells, such as dead red blood cells requires receptor-mediated concentration of selected cargo molecules is largely non-selective, resulting in substantial internalization of fluid is highly selective, resulting in substantial internalization of macromolecules In signaling pathways in which an extracellular signal binds an intracellular receptor... the signal molecule is generally a hydrophilic molecule the signal activates G-protein coupled receptors (GPCRs) the signal activates enzyme-coupled receptors the receptor often has a DNA-binding domain Which of the following proteins or protein complexes is responsible for the degradation of M-cyclin during mitosis? Cyclin-dependent kinase (Cdk) Anaphase promoting complex (APC/C) activated by Cdc20 Separase Securin bound to inactive separase

Explanation / Answer

14) Answer is C

Pinocytosis involve the formation of large vacuoles, and used for the non-selective internalization of fluid.

15) Answer is B

G Protein Coupled Receptors (GPCRs) receive many extracellular signals and transduce them to heterotrimeric G proteins.

16) Answer is B

The APC/C targets the mitotic cyclins for degradation, resulting in the inactivation of M- CDK (mitotic cyclin-dependent kinase) .

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