Which part of the synovial joint envelops76lyj/wgagu 2s. rps rm0w4j6e+le:x the synovial fluid?

  The diagram below represents a sarcomere. Which kqzcv ,iap 32j( /ed8ostructures are labeled I and II ? 3k (zoe8/2,vjq ac pid

  The diagram below sh1d7t3shm9kco +x+x2 d vw6 fqbows 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 true for synovial j.n) y/luqdn,/g 7 peeddj i5 han)8-rwoints?
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 initiateft;61i vg f)x86fpk )no-ze bv the process of muscle covtf)ie 6o;)z f vkxf1ng6p-8b ntraction?

  Which feature allows insects, such as crickets (Gryllus bimaculatus), tbj6ck -v8a8 r.b 4w*mtwg0raxo jump vet6v*r0- wr88bc.a kwx g4jbm ary high?

  The diagram shows a Zebra (Equus quagga). Which is not a reason for it to move?up0(z x: tga3.df;9g n )mpwjs:v2mb u

  Which of the followivt+s wb5-ao,a ml a,m3ng brings about movement of the skeleton?

  The photo shows an Austra2g.prq/ u znwosv6 +odl r42+hlian shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an Afriji(-6oek6;ogc k q+ekcan daisy (Osteospermum acanthospermum), a sessile organism ano6j +k 6gceikq-; k(eod 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 tkogoozu,8+bla 9ick+ .h 47vrwo sarcomeres. Which structure shortens during muscle contractiocv+ .78gzab,4+oui lrk9ooh k n?

  Which animal forelimb issilxd-tge28..fn tzhkb) ,x9 adapted for swimming?

  Which of the following statements relates tm kem*hv9)qit o n0y7*o myofibrils?

1.Outline how antagonistic muscles move jointso9sy7nz,q8glk8 aa4b9 g w8ue, giving an example.

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

  Which statement(s) are true for ATP hydrolys6nfe t7zoqc -sxu7.4+:yywr yis 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 sarcop rm3l )0pddtk7lasmic reticulum and the sarcolemma. 3k)7tddpl r 0m

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in musc59f) zwvzfs d.nbxb.c*4 z b4ble contraction?

1.Distinguish between a myofibril, the x jkf1g 4oswz(g +l+ial8n d44sarcoplasmic reticulum and the sarcolemma.iwfj44( xgzgno+ alsk4d +1l8

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

3.Describe the process of muscle contraction.