T or F: Each family of NK receptors has members that promote NK cell activation, and
members that send inhibitory signals when engaged. The difference between
activating and inhibitory receptors lies in their association with accessory proteins that
promote downstream signaling, or in their ability to recruit and activate inhibitory
phosphatases, respectively.
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True
In patients with lymphomas, the cancer cells invade the bone marrow and destroy the
environment required for normal hematopoiesis. This leads to bone marrow failure,
which disrupts the production of hematopoietic cell lineages. All of the following cell
types would be affected by this EXCEPT:
A. Macrophages
B. T cells
C. NK cells
, D. Muscle cells
E. Dendritic cells
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D. Muscle cells
Structurally and functionally, mannose-binding lectin (MBL) is most similar to
______________.
A. Bb
B. C1q
C. C2a
D. C3b
E. C5a
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B. C1q
Fill in the Blank (picture of APC + T cell)
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members that send inhibitory signals when engaged. The difference between
activating and inhibitory receptors lies in their association with accessory proteins that
promote downstream signaling, or in their ability to recruit and activate inhibitory
phosphatases, respectively.
Give this one a try later!
True
In patients with lymphomas, the cancer cells invade the bone marrow and destroy the
environment required for normal hematopoiesis. This leads to bone marrow failure,
which disrupts the production of hematopoietic cell lineages. All of the following cell
types would be affected by this EXCEPT:
A. Macrophages
B. T cells
C. NK cells
, D. Muscle cells
E. Dendritic cells
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D. Muscle cells
Structurally and functionally, mannose-binding lectin (MBL) is most similar to
______________.
A. Bb
B. C1q
C. C2a
D. C3b
E. C5a
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B. C1q
Fill in the Blank (picture of APC + T cell)
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