Which part of the synovial joint envelops the synovial .xkrji5 d1 ;mm )uwokz ,4-nckfluid?

  The diagram below represents a sarcomere. Which structures are labeled I a :cfb-gw4mv 0lffr g92 yhi:s)nd II ? fwy2:hfic m0 :b lsr-g4f g)9v

  The diagram below shows a synovial jo9gf :2)udr: n(t 0tvg lujky(qint.

1.Identify structures labelled I and II.
I :   ;II:  .
2.Describe the role of each of the structures identified in (a).

  Which of these statemen ru3z)sxo9- p)yxc)swts 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 filaments in the sarcomere uusm3tbh)(u1jc6276ojq w ;2 cq8 spqftez u,to initiate the process of muscle contra2s q67 tsp8(w,zuc )2bmeh3uf61ojj uu qqc; tction?

  Which feature allows insects, such as crick0imub j 3w;lhai *9l.mets (Gryllus bimaculatus), to jump very high*3 m bi. hl0a9wmjuil;?

  The diagram shows a Zebra (Equus quagga). W.asomwtwp.8wysu 1 ghytc1vp1bq8 e /i/ d:0+hich is not a reason for it to move?

  Which of the following brings about movement of the skeleton4mmn0(2nh t2 7lwuiy 6vomf7 lzg69c o?

  The photo shows an Australian shelldb xjotj+, s3+ 0fi9xduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospejy4z ;7 8)e vyefj3csqrmum), a sessile organism ajev)yefscz y3 j8; q47nd 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 two sarcomeres. Which structure shortens during muq jco7x vk)qxn imr5l ;)vs(.2scle .l)csk qi v5m xnox;)r(vj27qcontraction?

  Which animal forelimb is adapted:+ff/alf 4y-rquz i040c nu ra for swimming?

  Which of the followingd1+ hc.2wv u1m.rw rkc statements relates to myofibrils?

1.Outline how antagonistic muscles move joints,5,+6 o 3duu8a,)ofe cpladhc x giving an example.

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

  Which statement(s) are true for ATP hydrolysis during musx,voh:(pc05/mgor i 8be z q1acle 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 sarci4aqoqu+knihr5* .h c l)4ii0oplasmic reticulum and the sarcolemma.ci50io.qk lu rni ih+ )44*qah

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of even0,t t/af7k7pkc)ru mc ts in muscle contraction?

1.Distinguish between a myofibril, te30/7v 7)ivq v- 1 ma krsabr4glzmju(he sarcoplasmic reticulum and the sarcolemmasrg0 vjz7-/4vi7) uvr mmaleq a(kb31.

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

3.Describe the process of muscle contraction.