Which part of the synovial joint envelops the synovial fluid? *4qym 8ksq: kl

  The diagram below represents a sarcomere. Wh9(hioa/ ci7 t)/xkkwlzo a4e+ich structures are labeled I and II k(az +c4 )9ax/kwh ioti7lo e/?

  The diagram below shows a synovial joinsv+s gax1ok.esl) *.yt.

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 syn bx wvn5 i:i,bc,fx)v1ovial 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 bindssvz4h un3-rq n ;lc7)k to filaments in the sarcomere to initiate the process of muscle contru3 4h;rsqck v)n -nlz7action?

  Which feature allows insects, such as crickets (Grylh .is05lj 1ww)xi gs0ohlly11 96llr llus bimaculatus), to jump very hix hl l0j.1 61ysowg9isr50 il )l1hllwgh?

  The diagram shows a Zebra (Equus quagga). Wz) e*prmk2c7g hich is not a reason for it to move?

  Which of the followi w10x2493tnpsgahvk) +k f4rm zp e8ghng brings about movement of the skeleton?

  The photo shows an Australif t5 *+,b /ihqjqhzmpi39ohnsiy6(+xan shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthht,f3; :myd ,rykv2wpx */rlgospermum), a sessile organism and a Humboldt penguin (Sphenisc,v;:rm*wkhx,l g yr3f pdt2y/us 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 sarcomereos rgw;hm8 rk3x())i0 zo rc9hs. Which structure shortens during musclekz))r9m8sg 0c; r o3irox (hhw contraction?

  Which animal forelimb is adapted 4 ,0tjr 7 ua1k,ev2d r mymfnfw(tpw(+re0r1zfor swimming?

  Which of the following statements relyu mpczj76-h5n2a io:ates to myofibrils?

1.Outline how antagonistic muscles move joints, giving fndy23y fu/ ;hj0)jiixrv*9v an example.

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

  Which statement(s) are true for ATP hydrolysis during muscle kmkwv7o 7t*ep-8sqmy9kf a 89contraction?
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 myofib+or8yly,fyx7 p4yw 1tril, the sarcoplasmic reticulum and the sarcolemma. lf4yyyypo+8tx r71w,

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in musc,xjifq9-;9 7bnfyj sy le contraction?

1.Distinguish between a myoyf2 j;br4gd 4 1rhsxf9fibril, the sarcoplasmic reticulum and the sarcolemma.g14r ybfhj;sr2 f4d x9

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

3.Describe the process of muscle contraction.