Interaction & Interdependence C.4 Chemical Signaling - 无忧得胜-网上国际课程 (5edu.win)

1#

The diagram represents the regulat4p u;uwuh.bi6ion of glycogen metabolism by the epinephrine receptors. What och4uu;.p u6iwbcurs after cyclic AMP (cAMP) is formed?

A. Acts on ATP

B. Binds to G protein-coupled receptor

C. Activates G protein

D. Binds to an inactive protein kinase (PKA)

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of these is not an eff0l o/);yljm4e9 ij *iak nc9diect of testosterone?

A. Development of testes

B. Development of embryonic gonads into testes

C. Sperm production

D. Development of secondary male characteristics

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A signalling chemical is needed to activate the G3e*uyeuwsuri6hv90 6 protein by binding to the G protein-coupled receptor. What other substance is needed to actiuw3e 6i *ru s06v9yheuvate the G protein?

A. GTP

B. cAMP

C. GDP

D. ATP

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is an example of a positive feedback mechanil8/u ye; y+ rd1 *wcapog8xo *ju-;xhosm?

A. Control of blood glucose concentration

B. Maintenance of body temperature in a homeotherm

C. Absorption of more water from the collecting duct as a result of ADH secretion

D. Increase of oxytocin bringing about further uterine contractions.

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which labels represent positiv6ko3r irwjm3rk7ppe/;8hj , f e and negative feedback?

A. I /IV

B. IV /II

C. II /III

D. II /IV

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is only ai9y0fqk eunadc3. bnvzon, jc;/ l. 55ble to trigger a response in a cell by binding to a reavneno9 l, .n0jcy5q/;fuzi3k5 .db cceptor in the plasma membrane?

A. Insulin

B. Testosterone

C. Oestradiol

D. Progesterone

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is true for hormones but not neurotransmitters?

A. They are signalling chemicals found in animals

B. They act on distant target cells

C. They are transmitted across a synaptic gap

D. They result in a short-term effect

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which features describe the transmembrane receptor and intracebd)44dfmcj: bjbss50stu d 65llular receptor?

A. Signalling chemical enters the cell and binds in the nucleus /Signalling chemical remains outside of the cell and binds with the receptor

B. Located in the cytoplasm /Located in the cell membrane

C. Transmembrane domain contains hydrophobic amino acids and extracellular domain contains hydrophilic amino acids /Domain contains hydrophobic amino acids

D. An example is G protein-coupled receptor /An example is the tyrosine kinase receptor

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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which feature correctly describwd73x/t pa fqn xg(ca- ect,0j/i+x 9oes the binding of a ligand to a receptor?

A. Receptors can bind to any ligand.

B. Both the ligand and receptor must have a complementary shape.

C. All ligands can penetrate the cell to bind with intracellular receptors.

D. All ligands bind irreversibly to receptors.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The diagram shows a flow ch9t9pla /w duw.art.

Which is the correct sequence of reactions shown in the flow chart?

A. B. C. D.

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11#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Compare and contrast transmembrane receptors and intracellular receptzsh) p-fbx.7- oiycks f b95x/ors.
2.Outline the variety of signalling chemicals in animals.
3.Describe the mechanisms by which both transmembrane and intracellular receptors can bring about a cellular response, using one named hormone for each type of receptor.

该题自我估分: (必填) (满分:1.0分)

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