Interaction & Interdependence C.6 Integration of Body Systems

Which of the labels (A-D) points to the cerebellum on the diagramf6 vsxk ij v.qv6r6/6hun..7twmisa( of the brain below? i6r uv. 6xkjn6s7 w.q vmftih/v(6as.

A. B. C. D.

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement correctly describes the role of auxin i 1zvq-zh*5ee ok4h m/jn phototropism?

A. High concentrations stimulate cell elongation in the stem.

B. Low concentrations stimulate cell elongation in the stem.

C. High concentrations inhibit cell division in the stem.

D. High concentrations inhibit cell division in the stem.

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement identifies the direct effect of a. oju0gis5xt6z r13v6np7,iz g gf1wyuxin?

A. Development of leaves

B. Stimulates meiosis

C. Inhibits flowering

D. Changes gene expression

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a person is frightened, various changes in the body occur. Which0 vf b1jju3oii5bs:emc+*6gq of the following are involvedgjs 01civ*m u6+fqj obbi 3e5: in this fight or flight response?
I. Transmembrane receptors
II. The endocrine system
III. The autonomic nervous system

A. $I$ only

B. $ I$ and $II$ only

C. $II$ and $III$ only

D. $I$, $II$ and $III$

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statements about unicellular and multicellucple6h/+l+-a1h a ndh lar organisms are correct?

A. Unicellular organisms is They only reproduce asexually ; Multicellular organisms is Contains differentiated cells

B. Unicellular organisms is Consist of only one cell ; Multicellular organisms is All cellular processes are carried out by one organelle

C. Unicellular organisms is Can reproduce sexually ; Multicellular organisms is They have emergent properties

D. Unicellular organisms is Contains differentiated cells ; Multicellular organisms is Can reproduce sexually

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Plant shoots detect and respond to light. What plant protein detects light, anx9b(0j /clogfb nde76d what mechafx706/cljdogn9eb b( nism initiates the response?

A. Protein is Auxin ; Mechanism is Triggers movement of phototropins

B. Protein is Auxin ; Mechanism is Inhibits cell elongation

C. Protein is Phototropins ; Mechanism is Triggers movement of auxin

D. Protein is Phototropins ; Mechanism is Stimulates cell elongation

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which sequence shows the route taken by auxin frfwt:pr , 2refu8i;( knom its production to its role in ,r(i2pt:ne k;r f fwu8phototropism?

A. Step 1 is Produced in meristem ; Step 2 is Moves to shaded side ; Step 3 is Inhibits cell elongation

B. Step 1 is Produced on shady side ; Step 2 is Changes gene expression ; Step 3 is Promotes cell elongation

C. Step 1 is Produced on shady side ; Step 2 is Changes gene expression ; Step 3 is Inhibits cell elongation

D. Step 1 is Produced in meristem ; Step 2 is Moves to shaded side ; Step 3 is Promotes cell elongation

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14#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

The diagram represents a stem tiptumcn7h1. ki4w4c4/zslpt m +s /1od t and the position of the Sun.

1.On the diagram above, draw an arrow to indicate the direction of movement of auxin.
2.（1）State the term used to describe the directional growth of a plant in response to light.
（2）Outline how this process affects growth in the stem tip.

该题自我估分: (必填) (满分:1.0分)

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is an example of an e8fd. w4 c 0ikmxn,pbz3ux:fj* mergent property?

A. A unicellular organism uses active transport to absorb nutrients.

B. A retinal cell detecting changes in light intensity.

C. The endocrine and nervous system working cooperatively to respond to the environment.

D. A single muscle cell contracting.

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16#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Hormones can be used as medical treatments in i5cg f4-lkgg/ some situations.
1.Name the hormone that can be used to treat jet lag and state its effect on the body.
2.Outline two uses of hormones in IVF.

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17#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Explain how peristalsis4 w8vnba,ua+gh m0m o7 moves food along the digestive tract
2.Outline the role of enzymes located in the small intestine.
3.Describe the digestion of lipids and absorption of the products in the small intestine.

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The graph shows the circ07h,b ffzqqj6x g -fn;adian rhythm in body temperature of an individual under their normal light-dark cycle and after exposure to a 1-hour pulse of 1000-lux light at their ty gnqxffq h7j b,z60-;fpical bedtime.

Which statement correctly describes the event responsible for the change in the rhythm of body temperature after exposure to light?

A. The secretion of melatonin from the thyroid gland was elevated by light exposure.

B. The secretion of melatonin from the pineal gland was suppressed by light exposure.

C. The secretion of thyroxin from the thyroid gland was elevated by light exposure.

D. The secretion of thyroxin from the pineal gland was suppressed by light exposure.

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19#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Outline how treading on a draw s v+az1ph1z1n8u:pf ov:: niving pin can bring about the reflex of lifting the fop:+izo :1a81upvvz1 nfs hvn:ot.
2.Describe how the cerebellum exerts overall control over the voluntary movements of the body.
3.Explain how melatonin plays a part in the control of circadian rhythms.

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20#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

The autonomic nervous system help ez9hu:s 6/s, ttor dkmi)*;qhs regulate the control of heart rate. Below is a diagram of the hk:to),/*sqh;e sz9mdh6 rituuman brain.

1.State the name of the part of the brain that is involved in the control of heart rate.
2.Baroreceptors and chemoreceptors play an important role in this control. Compare and contrast how these two types of receptors help with the regulation of heart rate.

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总分:20分及格:12分时间:不限时

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