Which part of the synovial joint envelops the synovialtg(j9j*u 9 ijyzi .uk( fluid?

  The diagram below represents a sarcomere. Which structures are labeled I and Ihq/zy+2p0e ux I ? 0ypzqhx + 2/eu

  The diagram below shows a synovian:;ljo,l9 hghw g73 pat j0z:pl 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 tru1:6 w n0mi3mugogx4*qu srbb(e for synovial joints?
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 filaments3o f ujrsewugpr.d-o;/6u,6t in the sarcomere to initiate the process of muscle contr uuf;d so6,t6r.e/go-jru pw3 action?

  Which feature allows insects, such as crickets (Gryllus bimaculatus), to jump ve . k2l7boa14vmfwmyp *w 3 (lg*mrl5geb.3l* f mwg25pm aywvlg m7e( o14l*krry high?

  The diagram shows a Zebra (Equus quagga). Which is not wam sqrsz;)( 8a reason for it to move?

  Which of the following 9cq94ccyf ;(davs8 oy brings about movement of the skeleton?

  The photo shows an Australian shelduck (Tadorna tadornoides).g rduow.jdtg: ()p7 d;
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acan th d)9cpj/d9nthospermum), a sessile organism and a Humboldt penguin (Spheniscus humboldti), a motile o9d/ t)jhd cpn9rganism.


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 structure shortens durinxdts8nr113 ct)af2 xn g muscle contractt3s)td 81xrn f2ac1 nxion?

  Which animal forelimb is adapted for sob6o d hhex mt)a; 08j+.xy7hbwimming?

  Which of the following statements relates to r dr j 5g,wj:.qwisk5.myofibrils?

1.Outline how antagonistic musmrv 5g*1089n nlp its7vubf (scles move joints, giving an example.

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

  Which statement(s) are true mv:1,ruu5nawfor ATP hydrolysis during muscle contraction?
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 sarcoplas8 v8 uqrpop3 rv9d7v92ay)bm dmic reticulum and the sarcolemma. )r8ddyvpvo8 rv 73p2b9um9qa

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence olyu/s7 x13vau f events in muscle contraction?

1.Distinguish between a myofibril, the sarcoplahq mc.d xuy.gsd)a8* ,smic reticulum and the sarcolemma..smh dy8 a*c.),d ugxq

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

3.Describe the process of muscle contraction.