Which part of the synovial joint envelops the syhyb5u znd2s8u em)s4 z6z0z.eq+f wcn r +nb-1novial fluid?

  The diagram below represents a sarcomere. Which structures are labeled I and ha 9z5 ,3kaediII ? h9k5zd eia3a,

  The diagram below shows a synovial joinvuacgxr09v::j: jre * t.

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 synovngso :wk euy8mob0*:(ial 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 initiate the proam53w8 vy h5kv-zm .urcess of muv wa- kmy5vuzh 35.mr8scle contraction?

  Which feature allows ins b1vb;1m0exydh ,nxc( ects, such as crickets (Gryllus bimaculatus), to jump very hignvh y1x,db;1ec(0 bmxh?

  The diagram shows a Zebra (Equus quagga). Which is not a,6 vjw8s.-e: i autp5,mbcwtz reason for it to move?

  Which of the following brings about movement of tho 8bd uq*t:z/te skeleton?

  The photo shows an Australian shelduck (Tador-sxm*kk .0 5 (hommszmna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthosperm br 5k0 qw.sz;hdm9oa)wck 4+ inm;,ttum), a sessile organism and a Humboldt penguin (Spheniscus humboldti), ;wh)0 ib,.m;moka5wskt z+t 4dr9c q na 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. Which structure shortens duh a ri+;5 d/pny39 u//xmh+olana to2vring muscle contraction?//l+nh/v5 aia 2; adty3xmho pr+n u9o

  Which animal forelimg *cth-61 cavulzq7 m-y y;,eib is adapted for swimming?

  Which of the following statements relates to my7*hr 3uz7q mgwge:9lc k+u 2qhofibrils?

1.Outline how antagonistic 6n .9dx r* u(dyeei-vlmuscles 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 contra*l2nf l 5ki(v ru-rri8 y3/trvction?
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, ppb-8k12qb jm sqq*1 gthe sarcoplasmic reticulum and the sarcolemma2s q8bg*1qk q1mjb- pp.

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in musc;(,fh6 m hyc5 wm4ojk;dg+kswle contraction?

1.Distinguish between a mq gl- tg3ew( a*he)vo)yofibril, the sarcoplasmic reticulum and the sarcolemma3eog ))*vg qetal-(wh.

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

3.Describe the process of muscle contraction.