Which part of the synovial jyj6g* 1hf 9prgoint envelops the synovial fluid?

  The diagram below represents a sarcomere. Which structureesqmt5 +: a33zji4rtu, h ;beks are labeled I and II ,5t;:m3 jzb3utrhq ia4+ekse ?

  The diagram below shcga 4pt(0+ c4cgkdu (dows a 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 9gyqmikubc;.hp, *ayun 06a3 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 filahny6sr7b6 3v6 k prk5dments in the sarcomere to initiate the process of shb6 kv66n57d3rykr p muscle contraction?

  Which feature allows insects, 5bcc,dtrfp69 (ti/m+or *xf msuch as crickets (Gryllus bimaculatus), to jump verymprc*6 ,c /o i9rm+txf tf5db( high?

  The diagram shows a cy+hm 2 j,,fznq./4kfikg 1d cZebra (Equus quagga). Which is not a reason for it to move?

  Which of the following brin ;v+cg0s99t0mlu*elnitk wv5gs about movement of the skeleton?

  The photo shows an Au7hw,v j5iz u+o 7fjgd3stralian shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African nf*h3 q z(8jfddaisy (Osteospermum acanthospermum), a sessile organism and a Humboldt penguin (Spheniscus humboldti), a motile organism.h8fznf(* jq 3d


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 during mu0oych;)r( xjs(dx ,demvuc 69syx9rm,cds)j(d ohv(euc6; x0cle contraction?

  Which animal forelimb is adapted for s f-ubb/m74r2 zgsdd m;wimming?

  Which of the following statements relates to myofibrils?py r;-boz: rdpc.m /m3

1.Outline how antagonistic muscles move jod0*n- lmc7hu +bii yt 1ed1+wjspm3o1ints, giving an example.

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

  Which statement(s) are true for ATP hydrola1 b;wl;- mspmysis 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 my6um nmiyj cwz.ix( t 5p i,k5fb45(og,ofibril, the sarcoplasmic reticulum and the sarcolemma. i(4p,555gc f zji u6, mwnot.kymixb(

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence ,y 6e (gbuq+tj:ma i;wof events in muscle contraction?

1.Distinguish between a myofibril, t c6q;e ) 3qgpy9s9 ui+3gwvqothe sarcoplasmic reticulum and the sarcolemma.99tucse+3qgw6po) 3iyq g;v q

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

3.Describe the process of muscle contraction.