Which part of the synovial joint envelo/ccn.yml/8wzt 7 m6zw8+i ai fps the synovial fluid?

  The diagram below represents a sarcomere. Which structurnuc4z l uil-+e q;k-k1es are labeled I and II ?kq41l +iuuek -;l-znc

  The diagram below shows a synov g7 5bkolnz)a,ial 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 trud gkfj4*)mo jsp ux73+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 filaments in the sarcomere to initiate the kij(tmmys1 jq8) t40nprocess of muscle nq40kjmt1jy(8 )i mst contraction?

  Which feature allows insects, such as crickets (Gryllus bimaculatusktq;:+yxya ptw *de zt43v0,j), to jump vewy*aq j pt4 ,:vdzek+y;xt03 try high?

  The diagram shows a Zebra (Equus quagga). Which is not a reason for it to mo.xzc(ig u 0tui ,os/vn3-0keive?

  Which of the following brik0x6b5o ukj;ings about movement of the skeleton?

  The photo shows an Australian shel dnf64 s;nyk;lduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Oste xe6eh385cg 5zue/djfueh /2mospermum acanthospermum), a sessile organism and a Humb85fxe5 j 3/cm eue/egdh hu2z6oldt 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 represec,g8ih-n cdp1hiw rd r*k0/ u-nts two sarcomeres. Which structure shortens during musclercwi-0gp k c 8r*i/1hd ,ndh-u contraction?

  Which animal forelimb is adapted10elmt*rr5jqynh q3920sfwa for swimming?

  Which of the following stat;1/q5/q+;mh: b 6 ysracsz yaqmg, dcaements relates to myofibrils?

1.Outline how antagonistic muscles move joints, gi tm h*2gpn3z4c69xlt uving an example.

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

  Which statement(s) are truenx 8iff,rrz2xl8rj *9 for 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 sarcoplasmic reticulum and th,mv*m z6rv- hxe;zvmj:;6 o6 qnhs2floy - q0ee sarcolemmahn e6jmq vm,;y 6- svmz;ox*2 ohl0-re6vf:zq.

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in muscle contrac- hzt 8lkymx;eve agoih0x.c ;j1*c57tion?

1.Distinguish between a myofibril, the sarcoplasmic k hj35ewxo8.jreticulum and the sarcolemma. 8x 3o wh.jk5je

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

3.Describe the process of muscle contraction.