Which part of the synovial joint envrz.wv 9d4d5p ;myimvb dj:9fp,vd ,u6 elops the synovial fluid?

  The diagram below represents a sarcomere. Which structures are labeled I and II /yg0mr0 wnw8l?m0 lr8 /0wgwny

  The diagram below shows a synoviq z)y w242tjw93eyybb al joint.

1.Identify structures labelled I and II.
I :   ;II:  .
2.Describe the role of each of the structures identified in (a).

  Which of these statements are true for synovial joint 1r h*vh1:-i aw9xse j8;anafis?
I. The joint capsule produces synovial fluid
II. Synovial joints can move in one direction (plane)
III. Ligaments connect one bone to another

  Which type of ion binds to filaments in the sarcomere to initiatez;z 8,ixl84ut ffpgpc+ ja9c 3 the process of muscle contraction?8z9 348ufg j+p tcp;izf, aclx

  Which feature allows insects, such as crickets (Gryllus bimaculatus), to jump 2ntb 7kh9/:moa v6c/sz qeom3very/ts3ek2 vm79 ao6:on/mcb zqh high?

  The diagram shows a Zy;/olo 4sh w/jw4.rh sebra (Equus quagga). Which is not a reason for it to move?

  Which of the following brings b 8jo98bhaak( f+f;;dxa faato3n2r7 about movement of the skeleton?

  The photo shows an Australian shelduck (qd5slf dw-u (c+wqx +6Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum yoc24n-7 xq,s /remqyacanthospermum), a sessile organism and a Humboldt penguin (Spheniscus humboldti), a moti7 m,-4x 2cyy/qsqeorn le organism.


1.State one way that a daisy moves.

2.State two life processes other than movement that the two organisms have in common.

3.Explain three adaptations that the penguin has for efficient movement in water and on land.

4.In order to reproduce, the penguin may have to travel to find a mate.

4.1.Outline one advantage of travelling to find a mate.

4.2.Outline one disadvantage of travelling to find a mate.

5.State two reasons other than reproduction that the penguin may need to travel.

  The diagram below represents two sarcomeres. Which stru(i,e h :ympst3cture shortens during muscle cet s:3h(pm,yi ontraction?

  Which animal forelimb is adapted for swimonpyraywq)mc.(+ d.oz0ncd-9 4j4z s.n,sf vming?

  Which of the following statements relates to myofibrils.8cszig:3kj(j a+lg bv-1mz6sdk k (y?

1.Outline how antagonistic muscleslr;0l5 mkco/ ehp(1mrhxo4m - move joints, giving an example.

2.Describe how skeletal muscle fibres are adapted for their function.

  Which statement(s) are true for ATP hydrolysis during muscle co8avceop- nd 85ntraction?
I. ATP is hydrolysed by the sarcoplasmic reticulum
II. ATP hydrolysis causes myosin heads to move into the ready position
III. ATP hydrolysis causes the cross-bridges to break

1.Distinguish between a myofibril, the sary 9pfc4t2w)sfkqy+ .s ;tihe-coplasmic reticulum and the sarcolemma. fe4 sqystt h2c+;.fkwy i) -9p

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in muscle cou9xh rt f;af/2ntraction?

1.Distinguish between a myofibril, the sarcoplasmic retirb 8bvqq2r9( iculum and the sarcolemma.ir8( qv qr9bb2

2.Outline the different proteins and their position in the sarcomere when the muscle is relaxed.

3.Describe the process of muscle contraction.