Which part of the synovial joint envelops the synovial fluid? 6yt oc2oh6p)seezxm 40.u :xw

  The diagram below represents a sarcomere. Which structures are labeled I and II 4zu)hlf su -0 dpm:9sn7t:syw-s wt: z n:0um)us4 7dshpyl9f?

  The diagram below shows a syno972kwtsd3 ai3 8 zuymq2wbu +vvial 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 ((6rsu4 9 nc* eg dalcisny/d8are true 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 filaments in the sarcom aozv8k/a4, gh.dpvr .ere to initiate the process of v 8kz4r/.vdpah o,a g.muscle contraction?

  Which feature allows insects, such as crsfu8 .pkrscie 3:2 m1sickets (Gryllus bimaculatus), to jump very h8srfe2ski usm:3.1 pcigh?

  The diagram shows a Zebr3mxhm c7 r,o/ya (Equus quagga). Which is not a reason for it to move?

  Which of the following brings ao3qe 68e kdpq:bout movement of the skeleton?

  The photo shows an Australian shelduck (Tadorna tadorno1nq- 3uri kwk2psc0 h,ides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospermum), a sessq;y: h hlk 83 7c*jnvyjy6dy5qile organism and a Humboldt penguin (Spheniscus humboldti), a motile organih5* k:v jhyqy 36 q7y;8jlndcysm.


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 repru xp(+me5svr0j7m; hwju8; rx esents two sarcomeres. Which structure shortens during muscle cos w7+urx ;8vr50xeumj;m (hj pntraction?

  Which animal forelimb is adapted for swimming? v3n-yoi.pluqla4- s7

  Which of the following statemen(iyytzkg6 30rk aw an.fqgs2h 3d )u+2ts relates to myofibrils?

1.Outline how antagonisticj+oo/d.hvo q 5 muscles 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 contraction?k-emx; j c5+si
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 sarcoplasmic reticulu;tw.qz.--ie qq i*fh 9ddxr*tm and the sarcolemma.* wh-rt;-t.d f iq.9*eqxdzq i

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of eventno/c 1 2jj mu44vdy:x:kqpb :;qpo(igs in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and t3r(*3 a zyeony;6*xkw,c u,s b vjb8xdhe sarcolemma. w ob8ysy (kxz;d*nxev ,cu6ja,3r b*3

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

3.Describe the process of muscle contraction.