Which part of the synovial joint envelo 54jf h1c:7zb.-bzw wxssb na0ps the synovial fluid?

  The diagram below represents 2 6w iqjfjw :*5ficb+la sarcomere. Which structures are labeled I and II ?jlj6 qw:52+c *wiifbf

  The diagram below shows a synovial jrwp -.l 3fw-ef*wa3rzu(:j wq oint.

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 a1b ;z aj5tof/8(der xure 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 sarcomere to initiate the pyjpk:y5qyr470 f ru5y pz )1bgrocess of muscle c7 y yy0jp5 5uygqpbk:z)fr4r1ontraction?

  Which feature allows insects, such as 0wylp8wh h/sw8if,o. crickets (Gryllus bimaculatus), to jump very. w0iwl pshho/8 8wf,y high?

  The diagram shows a Zebra (Equus quagga) sklh k*tvq83vt56 )kl. Which is not a reason for it to move?

  Which of the following brings about movemen9wjnf9 08*swso(hpyet of the skeleton?

  The photo shows an Australian shelduck (Ta1tf. o3n q43zn c1czzndorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisyvp:7k fs2rj3cp xq f (zg4)t,z (Osteospermum acanthospermum), a sessile organism anjf4zvq(psk g2,trzxp f:3 )c7d a Humboldt 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 t8s mo(k z2jj:jwo sarcomeres. Which structure shortens during muscle contractiomjsjo8j : kz(2n?

  Which animal forelimb is adaptedjcuvo0 6knk3u 2zfr4 2-e *qcu for swimming?

  Which of the following statements rei(d 4v gc9 yzm5,qx.1(9uj*kdqsqdmelates to myofibrils?

1.Outline how antagonistic muscleszc3 2.ewfp db3 move joints, giving an example.

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

  Which statement(s) are true foje:w y5w my.h)r 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 sarcoplan nzp305dol1zq6 jxk1 smic reticulum and the sarcolemma. 0zz n6q xknjpol131d5

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of even,6tlymsc8l tvr3 3 q(myrsy0x5ufl 1*ts in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and th p ;walqjk ,n6xxnmifnt4wib 3(7;y*4e sarcolemma txx(k;q ;nb73pmln4w 4 6ynijwfia *,.

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

3.Describe the process of muscle contraction.