QUESTION 36 Lipophilic ligands bind to intracellular receptors and open ligand-gated ion channels affect gene transcription activate adenylyl cyclase bind to G proteins

Question 18 Glycerophospholipids are the most abundant lipids in cellular membranes and are also involved in metabolism and signaling O True False

Question 19 Which of the following serve as signaling molecules located along the membrane? O sphingolipids Sterol lipids Glycolipids Phospholipids

In many cases, an enzyme will attack one particular stereoisomer but not its enantiomer. Explain.

Question 66 When a cell membrane potential shifts from -70mV to -90mV we say the membrane has: O depolarized O repolarized O hyperpolarized O polarized A Moving to another question will save this response. 17 stv MacBook Air DII F2 F3 F4 F5 F6 F7 F8 @ %23 2$ へ 7 8 W R T Y D F C ンU) つ B LE # 3

QUESTION 24 The arrows, in the figure below, are depicting Membrane D Compartment A Compartment B Compartment C Membrane E endocytosis transcellular movement primary active transport O paracellular movement

QUESTION 14 There are two possible mutations in spike protein; G76V and V180G. Which of these two mutations is less likely to occur, from protein structural considerations. G76V V180G O O

QUESTION 1 The Wnt signaling pathway component, Dsh, effects the action of B catenin by: O A. inhibiting the function of axin in the destruction complex O B. blocking GSK-3B from joining the destruction complex O C. stimulating ubiquitination of B catenin O D. causing its release into the cytosol from the plasma membrane complex O E. causing an increase in phophorylation of B catenin QUESTION 2 PCR can be used to identify the breakage points of mtDNA that are joined to form a mitochondrial genome with a deletion. This techni que uses: O A. two primers outside the deleted region; a long PCR extension segment. O B. one primer within the deleted region and one primer outside the deleted region; a long PCR extension segment O C. one primer within the deleted region and one primer outside the deleted region; a short PCR extension segment O D. two primers outside the deleted region; a short PCR extension segment O E. two primers within the deleted region; a short PCR extension segment

Question 26 During extravasation, what do white blood cells do? O squeeze through blood vessels into tissues O release inflammatory cytokines O phagocytose pathogens O attack infected body cells

Question :16, 17 .