Which part of the synovial joint envelops the synovial fluidu8u3 so.h 0ath?

  The diagram below represents a sarcomere. Which2vd 9.9wtz 3su sz48hv0xjywb structures are labeled I and II 2 .z svytbv4w zh9wud9 03sjx8?

  The diagram below sh+)p/ ebp;+n9slh tlse ows 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 stateolp(7v v9nr ,tments are 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 filamentsmw5t hm /, y*mtd)bwq+xza4:r in the sarcomere to initiate the process of muscle contracti5damw/t :mzy q m,h+x)wbtr*4 on?

  Which feature allows insects, suc,ku .1yij fqiykew r gdn1y,i++0n//mh as crickets (Gryllus bimaculatus), to jump very highyd n,w0,i/mnf/ku 1g 1+iyk riq .+yje?

  The diagram shows a Zebra (Equus quagga). Which is not a r:xlt ug3uf m)6ih/a85e echx6eason for it to move?

  Which of the following brings ab,sh:.km+n 2edy -rkj aout movement of the skeleton?

  The photo shows an Australian shelduck (Tadorna x ) 1z .a1+4sreicmexdtadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthosa ) zrfhx3udxbm24c65-et uz2permum), a sessile organism and a Humboldt penguin (Spheuzmrf)2u-465 etdzx b 3cx 2haniscus 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 sarcomerg * a..gpf6xeves. Which structure shortens during muscle con pe6.axvf*.gg traction?

  Which animal forelimb is adapted ffho;v 0kn/ rh,or swimming?

  Which of the following statements lhw vn vd rd(+v+a/1: r-iheyb/ct+s3relates to myofibrils?

1.Outline how antagonistic muscles move joints, giving an exampr4 6; 3twztxnrbaq.wm:vkv+.le.

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

  Which statement(s) are true for ATP hydrolysis dur4j+;ib jlp6jf dc l-w-ing 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 sar24xfudl)a:y mcoplasmic reticulum and the sarcolemma. 4f mdla:2)y ux

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct h ;7th**lugtfsequence of events in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulumu4mktc8 -0yt 7/pdu nt and the sarcolemma.y ut7k m4d/0t -unpt8c

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

3.Describe the process of muscle contraction.