Which part of the synovial joint envelops the/wwof 8g*b kcx 47jc2k synovial fluid?

  The diagram below represents a sarcomere. Which structures are labeledz9 . fgr zt-. ntpe2av/xjqv*0 I and II ? xt2zn0evzvjrf9-p /g.a .tq *

  The diagram below shows a synoviah d/8t2rnxd 2jl 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 sedqzwjpx1f w+-9.2p 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 m:x-n/luo 2eha1k z:u filaments in the sarcomere to initiate the process of musclexolnzue- /:am: kh12u contraction?

  Which feature allows ings2 mlnu , azm.arm4*,sects, such as crickets (Gryllus bimaculatus), to jump veams2 z,.m,g*mr nu a4lry high?

  The diagram shows a Zebra (Equus u ugb( tv*si1*quagga). Which is not a reason for it to move?

  Which of the following brings about 3v bf0dmm.9e 3jkv(pumovement of the skeleton?

  The photo shows an Australie gqh:c,4yzxs v7p7tm. 6ve ;lzmr5v5 an shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthrxj +o2/i pi7nospermum), a sessile organism and a Humboldt penguin (Spheniscus humboldti)7r+/o pj2ixni , 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 two sarcomeres. Which stx f /wp))qrb 31 ljnj;fxob6*cructure shortens during muscle contraction? wbf16;/nqcfp3ojrx)*) bjl x

  Which animal forelimb is adapted fo -76pdd;w4 t.sunjurgr swimming?

  Which of the followingl9 qgrvjzb )6/ statements relates to myofibrils?

1.Outline how antagonistic musc;nzd ,a7elul 6nwqr) 5les move joints, giving an example.

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

  Which statement(s) are true for ATP hydroy/bhd9b gzy ,2f 7+k49rypckxlysis 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 thecqf,uk2o tx:6m :ow *h sarcolemma. ,ufo*hxt :w2c6k: m qo

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 contracti59.a( :rvzdlyluuetg xeo(5,vfp (1won?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and the sarcg k z6:i;peud,olemmap e:g6zd k,ui;.

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

3.Describe the process of muscle contraction.