Which part of the synovial joint envelops fksl83e:wpw . the synovial fluid?

  The diagram below represents81ni5 t1ov 5c)nu(dte4vjk ya a sarcomere. Which structures are labeled I and II coiy( 85 kjd neatn1v14)tuv5?

  The diagram below shown.yo .o qm ycr92q9m1fs a synovial 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 f n) p+uy 6v,dq8-jsvzfssw87q or 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 filaments in the sarcomere to iks3y8l (z qa27p,y qimnitiate the process of muscle contrapa2 7k,mqy is8ly(qz 3ction?

  Which feature allows insects, such as cricketz;b u :af4px ,-gniak6j/t 3bns (Gryllus bimaculatus), to jump very/px a:z 3fub-tg6 bn4;jkn ,ia high?

  The diagram shows a Zebr -ni 2ijy9nmkpzwk34go: 5z9k a (Equus quagga). Which is not a reason for it to move?

  Which of the following brings about movemen)n.qo)/tg of,ga6a; ,mkn2 m. btz(fxin :ffct of the skeleton?

  The photo shows an Australia0s72*m rz6+ p-gkmkpsa :i gskn shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Ostet/g5fv0i/5 9zfoyala ospermum acanthospermum), a sessile organism and a Humboldt penguin (Spfa/ayl 5i9oz v g5t/f0heniscus humboldti), a motile 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. Whgs(rx d*jb +gj c,zw,2ich structure shortens during mus x+zwcg(,gd ,sjbj2r* cle contraction?

  Which animal forelimb is adapted for m1rh8dhf (67j*)b-jrl ;ixw5povt+k jgq,og swimming?

  Which of the following statements relates to myofibrd rcmthpk 8s7r8k25p.ils?

1.Outline how antagonistic muscles move joints, giv4hv h0fcvp(x4 ing an example.

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

  Which statement(s) are true for ATP hydrolysis during muscntlmio b onrg 6(6u()jk;e;m-le 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 vz fhi5+ff4/ y) qat8msarcoplasmic reticulum and the sarcolemma.qf ziy+4/mfta)5vhf 8

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events bcua lr)jyh0 3i 1j6+win muscle contraction?

1.Distinguish between a myofibril, .6 tw tnzi0,n x0mc;ytthe sarcoplasmic reticulum and the sarcolemma. n t,.i0;6n0tmzxctwy

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

3.Describe the process of muscle contraction.