Which part of the synovi y7p/eqlzpgcgya;p.xn 8 (7z ;al joint envelops the synovial fluid?

  The diagram below represents a sarcomere. Which structure4odc2 8,t khghs are labeled I and II t2kh,8cogdh 4?

  The diagram below shows a synovial jomno;om ktv+onqf.6audk+j/,*/ hbt - 3 s f1azint.

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 synovsga.wzn11qww/d b, 0pial 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 thexuum iu9p w +6g-y.at/a +g4mb process of muscle contract-64u+9w pa/g u +auimxmg t.byion?

  Which feature allows insects, such as crickets (Gryllus bimacq7 trte/vq m g(q0/ozh+ga 9y/ulatus), to jump very high?oqh0yg qaq9 (rtz/7 +e/m/gtv

  The diagram shows a Zebra (Equus quagga5fcj -,5 fkbv3x7ogfac ;9ytd ). Which is not a reason for it to move?

  Which of the following brings aboutb u5t2uijyvv :m;gu+ 0q,o6yjd.*d q r movement of the skeleton?

  The photo shows an Australian shelduck (Tadoy mt(-m l7t-s ru q);03q hzd4inbuct4rna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Oj ,ek4r/8wxl cq1*ijs8udm ( wsteospermum acanthospermum), a sessile organism and a Humboldt penguin (Sphenisx1s/w,(ec dqi4r 8l* mwju8jkcus 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 two sarcomeres. Which structure shortens dx18 xq:ort-j vuring muscle contraction?q:rvjox-x8 t 1

  Which animal forelimb +k6 qbijzb,t+is adapted for swimming?

  Which of the following statements relates to myofiuurj.xqqugvq 83:qd.aa0 j o0 cy i6(3brils?

1.Outline how antagonistic muscles move joints, e v heb0vcuqcpzq mtjs62 8rq15)( 1w)giving an example.

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

  Which statement(s) are true for ATP hydrolysis duriz g4v6 r8j0yjrng 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 2(wk d.okav5,)i rlwtand the sarcolemma.t5 2.kr)o(,lai w kvwd

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 contracts fy70w922c t9tszn ,wkux6qyion?

1.Distinguish between a myofibricnibdszwke t0wpg;t/*7 9+ /bl, the sarcoplasmic reticulum and the sarcolemma. e k/7*;di9gp tz w/sbb0wc+nt

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

3.Describe the process of muscle contraction.