阿摩線上測驗
25. 下列何者不屬於多細胞生物的細胞外間質 (extracellular matrix)？
(A) cadherins
(B) cellulose
(C) chondroitin sulfate
(D) collagens
答案：登入後查看
統計： A(58), B(64), C(41), D(10), E(0) #3430796
統計： A(58), B(64), C(41), D(10), E(0) #3430796
詳解 (共 6 筆)
後中123
#7271013
25. Which of the following statements about the extracellular matrix (ECM) is FALSE?
(A) Collagens are the major structure fiber of ECM in animal cells.
(B) Mucoproteins are the components of hydrated matrix of ECM in animal cells.
(C) Cellulose are adhesive molecules of ECM in plant cells.
(D) Fibronectins and laminins are adhesive molecules of ECM in animal cells.
(E) Hemicellulose and extensins are the components of hydrated matrix of ECM in plant cells.
答案：C
ㅤㅤ
33. Which of the followings is NOT a role of carbohydrates in the extracellular matrix?
(A) providing structural support to plant cell walls
(B) facilitating cell adhesion in animal tissues
(C) acting as a lubricant in joint movements
(D) regulating cell growth and proliferation
(E) storing genetic information in cells
答案：E
ㅤㅤ
24. 真菌、植物細胞的細胞壁以及動物細胞的細胞外基質(Extracellular matrix)都是細胞質膜外的外部結構，這些結構的構成成分和具體功能因生物種類而異，有關所有細胞外結構共同具有的特徵之敘述，下列何者最正確？
(A) 必須允許細胞質和細胞核之間的訊息傳遞
(B) 由在細胞質中合成並被運輸出細胞的聚合物構成
(C) 必須提供維持細胞表面積與體積比例的剛性結構
(D) 必須阻塞水和小分子以調節與環境的物質和能量交換
答案：B
ㅤㅤ
9. Which of the following proteins is NOT a component of focal adhesions?
(A) cadherins
(B) integrins
(C) actin filaments
(D) linker protein
(E) fibronectin/collagen
答案：A
ㅤㅤ
41. Which of the following statements about cell junctions is FALSE?
(A) Actin filaments anchor desmosomes in the cytoplasm.
(B) Hemidesmosomes connect cells to extracellular matrix (ECM) via integrins.
(C) Integrin is a transmembrane protein with two nonidentical subunits.
(D) Cadherins are Ca2+-dependent molecules to create cell-to-cell junctions.
(E) The connexons of gap junctions allow the passage of ions.
答案：A
1
0
