BIOLOGY (OER)
2nd Edition
ISBN: 2810023110482
Author: OpenStax
Publisher: MBS
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Chapter 42, Problem 25CTQ
What is a naïve B or T cell?
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A schematic drawing of the secretory and endocytic pathways is presented below. Indicate which component in the drawing (A to J) corresponds to each of the following. Your answer would be a 10-letter string composed of letters A to J only, c.g. HICDJABFGE.
nuclear envelope
Early endosome
Late endosome
ER
Lysosome
A
( )
cis Golgi cisterna
()
modial Golgi cisterna
()
trans Golgi cisterna
[]
cis Golgi network (CGN)
()
trans Golgi network (TGN)
()
Secretory Vesicle
B C D E
CYTOSOL
F
G
H
plasma
membrane
Which of the following guide transport vesicles to their target membrane?
A. Rab monomeric GTPases
B. Signal Sequence
OC. Heat Shock Proteins
OD. All of the above
O E. None of the above
Stroma
Light
4 H 4 H
I
Thylakoid-
membran
2 H₂O
D1 D2
Min
Light
2,6 ATP
2 NADP+
2 NADPH/H+
Fp
2,6 ADP
+2,6 P
8 H+
12 H+
4 H+
Lumen
PS II
Cyt bef
PS I
ATP-Synthase
12345
5a
5b
6
Chapter 42 Solutions
BIOLOGY (OER)
Ch. 42 - Figure 42.11 Which of the following statements...Ch. 42 - Figure 42.14 Based on what you know about MHC...Ch. 42 - Figure 42.16 The Rh antigen is found on Rh...Ch. 42 - Which of the following is a barrier against...Ch. 42 - Although interferons have several effects, they...Ch. 42 - Which organelle do phagocytes use to digest...Ch. 42 - Which innate immune system component uses MHC I...Ch. 42 - Which of the following is both a phagocyte and an...Ch. 42 - Which immune cells bind MHC molecules on APCs via...Ch. 42 - What “self” pattern is identified by NK cells?...
Ch. 42 - The acquired ability to prevent an unnecessary or...Ch. 42 - A memory B cell can differentiate upon reexposure...Ch. 42 - Foreign particles circulating in the blood are...Ch. 42 - The structure of an antibody is similar to the...Ch. 42 - The first antibody class to appear in the serum in...Ch. 42 - What is the most abundant antibody class detected...Ch. 42 - Breastfed infants typically are resistant to...Ch. 42 - Allergy to pollen is classified as: an autoimmune...Ch. 42 - A potential cause of acquired autoimmunity is...Ch. 42 - Autoantibodies are probably involved in: reactions...Ch. 42 - Which of the following diseases is not due to...Ch. 42 - Different MHC I molecules between donor and...Ch. 42 - If a series of genetic mutations prevented some,...Ch. 42 - Explain the difference between an epitope and an...Ch. 42 - What is a naïve B or T cell?Ch. 42 - How does the Th1 response differ from the Th2...Ch. 42 - In mammalian adaptive immune systems, T cell...Ch. 42 - How do B and T cells differ with respect to...Ch. 42 - Why is the immune response after reinfection much...Ch. 42 - What are the benefits and costs of antibody cross...
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- Which of the following promote membrane fusion between the transport vesicle and the target compartment? OA. Endocytosis OB. t-SNARE OC. v-SNARE OD. Both B and C O E. None of the abovearrow_forwardThe following diagram depicts the topology of a multipass transmembrane protein in the endoplasmic reticulum (ER) membrane. Which set of helices act Cytosol N C 1 2 as stop-transfer signals in this protein? 2 3 4 5 6 OA 1,2,3 OB. 4. 5. 6 OC. 1.3.5 D. 2, 4, 6 OE1.6 ER lumenarrow_forwardA signal peptidase cleaves off the signal sequence upon import of the protein into the mitochondrial matrix. Where is this signal peptidase located? A. Outer membrane OB. Inner membrane C. Mitochondrial Matrix OD. A and B OE. None of the abovearrow_forward
- Stroma Light 4 H 4 H I Thylakoid- membran 2 H₂O D1 D2 Min Light 2,6 ATP 2 NADP+ 2 NADPH/H+ Fp 2,6 ADP +2,6 P 8 H+ 12 H+ 4 H+ Lumen PS II Cyt bef PS I ATP-Synthase 12345 5a 5b 6arrow_forwardWhich of the following complexes is responsible for bringing Nucleus encoded proteins into the mitochondrial matrix? OA. TOM Complex OB. TIM 23 Complex OC. Both A and B OD. OXA complex E. None of the abovearrow_forwardThe transport of proteins into Mitochondria is dependent on which of the following? OA. Signal Sequence in the protein OB. Protein Translocals in the mitochondrial membrane O C. Both A and B OD. None of the abovearrow_forward
- Which of the following is a major consequence of activation of phospholipase C-B (PLCB) by the Gq trimeric GTPase? OA. Elevation of intracellular CAMP levels, leading to the activation of protein kinase A OB. Elevation of PIP3 levels in the plasma membrane, leading to the activation of protein kinase B OC. Elevation of intracellular Ca2+ levels, leading to the activation of protein kinase C D. Elevation of IP3 in the plasma membrane, leading to the activation of protein kinase D OE. Elevation of intracellular cGMP levels, leading to the activation of protein kinase Garrow_forwardIndicate whether each of the following descriptions better applies to COPI- (1), COPII- (2), or clathrin- (3) coated vesicles. Your answer would be a four-digit number composed of digits 1 to 3 only, e.g. 1322. ( ) They mediate transport from the ER to the cis Golgi network. ( ) Their coat protein forms a three-legged structure called a triskelion. ( ) They are pinched off from their donor compartment by a dynamin collar. ( ) They are involved in retrograde transport in the Golgi apparatus For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS B Paragraph Open Sans, a... v 10pt v2 X. 20 T T + ABC 5 T 111 C E EY A V 田 I XOQ == 田arrow_forwardWhich of the following is responsible for translocating mitochondrial produced inner membrane proteins? A. SAM Complex OB. TOM Complex OC. OXA Complex OD. All of the above OE. None of the abovearrow_forward
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