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【单选题】
My train arrives in New York at seven o' clock this evening. The plane I would like to take from there ______ by then.
A.
will have left
B.
would leave
C.
had left
D.
has left
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举一反三
【判断题】There four general categories of cells: nerve cells, muscle cells, epithelial cells and connective tissue cells.
A.
正确
B.
错误
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【多选题】宋元时期著名数学家和著作对应正确的是?
A.
秦九韶-《测圆海镜》
B.
李冶-《测圆海镜》
C.
杨辉-《数学九章》
D.
秦九韶-《数学九章》
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【多选题】How do cytoskeleton-linked junctions bind epithelial cells robustly to one another and to the basal lamina?
A.
The cell junctions that hold an epithelium together by forming strong mechanical attachments are of three main types.
B.
Adherens junctions and desmosomes bind one epithelial cell to another, while hemidesmosomes bind epithelial cells to the basal lamina.
C.
All of these junctions provide mechanical strength to the epithelium by the same strategy: the proteins that form the junctions span the plasma membrane and are linked inside the cell to cytoskeletal filaments.
D.
In this way, the cytoskeletal filaments are tied into a network that extends from cell to cell across the whole expanse of the epithelial sheet.
查看完整题目与答案
【多选题】How do adherens junctions form adhesion belts around epithelial cells?
A.
At an adherens junction, each cadherin molecule is tethered inside its cell, via several linker proteins, to actin filaments.
B.
Often, the adherens junctions form a continuous adhesion belt around each of the interacting epithelial cells; this belt is located near the apical end of the cell, just below the tight junctions.
C.
Bundles of actin filaments are thus connected from cell to cell across the epithelium.
D.
This network of actin filaments also contains myosin filaments and can thus contract, giving the epithelial sheet the capacity to develop tension and to change its shape in remarkable ways.
查看完整题目与答案
【单选题】which structure is located at the lateral surface of epithelial cells?
A.
zonula occludens
B.
cilia
C.
microvilli
D.
basement membrane
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【判断题】学生本人身患残疾,但不符合助学金评选基本条件,可以申请特别贫困助学金资格。
A.
正确
B.
错误
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【简答题】The epithelial cells grow( 不可控制地 )
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【单选题】( )是我国南北朝时期,杰出的数学家、科学家。
A.
刘徽
B.
杨辉
C.
祖冲之
D.
张衡
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【单选题】The stomach produces acids, which denature protein, and pepsin that digests protein. The cell membranes of the epithelial cells lining the stomach contain protein. The protein in the epithelial cells ...
A.
the membranes contain a different type of protein that resists denaturation and digestion.
B.
mucus coats the epithelium.
C.
cell membranes are destroyed but mitotic activity replaces cells with new ones every few hours.
D.
hormones produced by the endocrine cells protect the cell membranes and neutralize the acid pH.
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【单选题】What are the transporters on the apical membrane of small intestinal epithelial cells that can transport oligopeptides into cells ?
A.
Na + -amino acid symporter
B.
K + - amino acid reverse transporter
C.
Na + - peptide symporter
D.
H + - peptide symporter
查看完整题目与答案
相关题目：
【判断题】There four general categories of cells: nerve cells, muscle cells, epithelial cells and connective tissue cells.
A.
正确
B.
错误
查看完整题目与答案
【多选题】宋元时期著名数学家和著作对应正确的是?
A.
秦九韶-《测圆海镜》
B.
李冶-《测圆海镜》
C.
杨辉-《数学九章》
D.
秦九韶-《数学九章》
查看完整题目与答案
【多选题】How do cytoskeleton-linked junctions bind epithelial cells robustly to one another and to the basal lamina?
A.
The cell junctions that hold an epithelium together by forming strong mechanical attachments are of three main types.
B.
Adherens junctions and desmosomes bind one epithelial cell to another, while hemidesmosomes bind epithelial cells to the basal lamina.
C.
All of these junctions provide mechanical strength to the epithelium by the same strategy: the proteins that form the junctions span the plasma membrane and are linked inside the cell to cytoskeletal filaments.
D.
In this way, the cytoskeletal filaments are tied into a network that extends from cell to cell across the whole expanse of the epithelial sheet.
查看完整题目与答案
【多选题】How do adherens junctions form adhesion belts around epithelial cells?
A.
At an adherens junction, each cadherin molecule is tethered inside its cell, via several linker proteins, to actin filaments.
B.
Often, the adherens junctions form a continuous adhesion belt around each of the interacting epithelial cells; this belt is located near the apical end of the cell, just below the tight junctions.
C.
Bundles of actin filaments are thus connected from cell to cell across the epithelium.
D.
This network of actin filaments also contains myosin filaments and can thus contract, giving the epithelial sheet the capacity to develop tension and to change its shape in remarkable ways.
查看完整题目与答案
【单选题】which structure is located at the lateral surface of epithelial cells?
A.
zonula occludens
B.
cilia
C.
microvilli
D.
basement membrane
查看完整题目与答案
【判断题】学生本人身患残疾,但不符合助学金评选基本条件,可以申请特别贫困助学金资格。
A.
正确
B.
错误
查看完整题目与答案
【简答题】The epithelial cells grow( 不可控制地 )
查看完整题目与答案
【单选题】( )是我国南北朝时期,杰出的数学家、科学家。
A.
刘徽
B.
杨辉
C.
祖冲之
D.
张衡
查看完整题目与答案
【单选题】The stomach produces acids, which denature protein, and pepsin that digests protein. The cell membranes of the epithelial cells lining the stomach contain protein. The protein in the epithelial cells ...
A.
the membranes contain a different type of protein that resists denaturation and digestion.
B.
mucus coats the epithelium.
C.
cell membranes are destroyed but mitotic activity replaces cells with new ones every few hours.
D.
hormones produced by the endocrine cells protect the cell membranes and neutralize the acid pH.
查看完整题目与答案
【单选题】What are the transporters on the apical membrane of small intestinal epithelial cells that can transport oligopeptides into cells ?
A.
Na + -amino acid symporter
B.
K + - amino acid reverse transporter
C.
Na + - peptide symporter
D.
H + - peptide symporter
查看完整题目与答案