Which part of the synovibq920fg yiy6 ual joint envelops the synovial fluid?

  The diagram below represents a sarcomere. Which structurea))jv)ga 7erx s are labeled I and II axr))7) ajevg ?

  The diagram below shows a synovial jointt/7upo5dpc71r/ dtdijq ps4;k * . amq.

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 synoviacugj)pykm) gh* *d v5/1e.12oiwpiz p l 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 xs*kdw8zl2gf s+x +cprn85j2to initiate the process of musslz +2g c5xk 8sn+jpf*rxw82d cle contraction?

  Which feature allows insects, such as crickets (Gryllu/;x;i iebbd7 is bimaculatus), to jump veebbx ;/;di 7iiry high?

  The diagram shows a Zebra (Equus quagga). Which is not a reason lea(k1-p6rqy pu+ i2u for it to move?

  Which of the following brings about movement of the skeletc/e.xzv r/:xdnz k ks,.t9sf4on?

  The photo shows an Australian shelduck (Tado3h) mw4p 88u5tixeljr rna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Ol ai pa)qxj7ka+nq6zp sw(((+ (i gp*dsteospermum acanthospermum), a sessile organism and a Hum aa(p((si*(kiwaj6 z+q pnl+d7)pxgqboldt penguin (Spheniscus 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 tte+jg.+q d0pi5 0c tqpwo sarcomeres. Which structure shortens during muscle conttqi. p dpjc0t5q0+eg+raction?

  Which animal forelimb is adapted for swimming?x)cjqc *3u c3s3m0w 9 mus/cq4aupq/x

  Which of the following statementsjdu))fzh 8l6l8 t xo6a relates to myofibrils?

1.Outline how antagonistic muscles move joints, giving an example4stak7pp k;4/ wlj3bd.

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

  Which statement(s) are true for ATP hydrolysis duquq qt )*30k8vjncxm4ring 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,uf - ay.p9 5mamsa7pa, c:k4nv the sarcoplasmic reticulum and the sarcolemmam vf7ys a4 uca5npa-: ak.,mp9.

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequenc;znl w/hiecv 4tm (q1)e of events in muscle contraction?

1.Distinguish between4ko c (3ek vnuse0vf.8 a myofibril, the sarcoplasmic reticulum and the sarcolemmakvofs48( euv c0e n.k3.

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

3.Describe the process of muscle contraction.