Which part of the synovial joint envelops the synovy ynun/- q8*wdial fluid?

  The diagram below represents a sarcomere. Which st w:2fr193qigarsco n (:l d4vtructures are labeled I and II ?v2ta n3 (qf9 oigsr::1dwcrl4

  The diagram below shows cprvhp3 gk1.*96cn yv 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 jo6zkc09h vcim3n -l6wv l *io3iints?
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 e f;q;2(h5fcghzbuw9 the sarcomere to initiate the process of muscle co9;qu f(z;wgf b5ec2hhntraction?

  Which feature allows insects, such as crickets (Gryllus bimaculatus),wojd g)2 6:sh+(3 oqjtgjnf) h to jump very highoqfhdg:j2+gh o6)sn(wj3 )j t?

  The diagram shows a Zebra (Equus quagga). Which is not a reason for it to mb8n uwu.y2- dxbkrs2 ni8c-6zove?

  Which of the following brings about movement of q , a+mvw k2dz gwf1/gvb;xz*2the skeleton?

  The photo shows an Australian shelduck 7o jxsz3psvki 54j 26v(Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osslz07 y b.nze v/v4(-zan:u qqteospermum acanthospermum), a sessile organism and a Humboldt penguin (Spheniscus humbold zy0:n.z -qbvzs/aq u7(nlv4eti), 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 sarcomywl2npd5+ w/3uy5e*:eej qxape rv2(eres. Which structure shortens during muscle contract2l y 3jw5rwvypqe u5*ax2dp:+n/ eee(ion?

  Which animal forelimb is adapted ; sp ()oixzik*xis3*afor swimming?

  Which of the following statements relates to myofibrix3iem mvut 6r/45/l6w( ggxggls?

1.Outline how antagonistic mu b 4l lz7vqj7lr*+iype:-ome znt1;.vscles move joints, giving an example.

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

  Which statement(s) are true for ATP hydrolysis during7) pybu j(1i9cbf4pau 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 and the sar+w*nvqwck- -h colemma. cq v--kh *w+nw

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the ce4uptim :2 /florrect sequence of events in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulumra-h(a e:1w ybb:-rzq and the sarcolemma.-(z:-b:aray1e r whqb

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

3.Describe the process of muscle contraction.