Which part of the synovial joint envelops the synokmv*;rd;*lwl sy9g8pp q6qy. vial fluid?

  The diagram below represents ldjupx4n yw7f79u50:ddkm 5 y a sarcomere. Which structures are labeled I and II ?4 n7ujkyu 5l95dxp fddm:7 0wy

  The diagram below shows acvrle(m aj7k)w0; -kw 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 for synovial joinz )+l95)lz4ihhs rneots?
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 :-(o)g nelt,w(daso n process of muscle contraction?owdog e)n:an( (lt-,s

  Which feature allows insectsu.ks4y;w y0 zo, such as crickets (Gryllus bimaculatus), to jump very h4.u; 0kyz oswyigh?

  The diagram shows a Zebra (Equus quagga). Which 4sjs4wzvm48nt(po 8y7fh1i+bh8idy is not a reason for it to move?

  Which of the following brings aboux7 vle sv;v(z ajabi e6xa:+0+t movement of the skeleton?

  The photo shows an Austral jv*;hr af*./w v1(ttpjjkxl 8ian shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Oeo gevx;rir27ahf. zs 18v)6qsteospermum acanthospermum), a sessile organism and a Humboldt penguin (Spheniscus s;2qvz.irx6h 8eaf1)v7re og 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 refv+zpnh2wf3)v1pr 5 m presents two sarcomeres. Which structure shortens during muscle contra5z2hfmw+p)1 nrvvp f3ction?

  Which animal forelimb m13a0 ggga s0his adapted for swimming?

  Which of the following statements relates, )w*ub+v, ljpafnom1 to myofibrils?

1.Outline how antagonistic muscles mo*.+vzshgmza9c m aax)h6 s09wve 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 co l b-mp4 6jk .u8weeijzo84a;fntraction?
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 sarcopgq.adz1 j;dv-/ctp8z lasmic reticulum and the sarcolemmadz;-8j.q gcd/ pt zv1a.

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of eventssit e47e4kfll .tir21 in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and the sarcomj -pkxl gp0bbe* a419lemma.j4 xp-bk 9mlg1baep*0

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

3.Describe the process of muscle contraction.