Which part of the synovial joint envelops the synovxw.uner(t i86c,hk-i gi 8k8wial fluid?

  The diagram below represents a sarcomere. Which structures aren,k ckgwf0tzk.q s. (( 7skot7zj. /jy labeled I and II ?tw 7y /zko.tsq,k. c ((70nzkjfgksj.

  The diagram below shows a /pld3 yey3a+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 joints?nvrdtn*-,puimqnt )v w6o mfa84:mf .n.;h) k
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 initiate the processb;6 0 pd)ruknv of muscle contractionp; rnuk 0v)6bd?

  Which feature allows inse1)pceca6oh 3 pt)vl f-cts, such as crickets (Gryllus bimaculatus), to jump very hig) 1ceop 6vc-tal)p3hfh?

  The diagram shows a Zebra (Equy 4rtbin75) 7e4p/x)pzkli/ppfd s:d us quagga). Which is not a reason for it to move?

  Which of the following brings abouu )j e)dflb97 p+)pr3xi+ijyq z,p fj(t movement of the skeleton?

  The photo shows an Australian shelduck (Tadorna tadornoico1;2 vob4o ce0+vaplwdm;z 6des).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospj.q-y7u m0h 9ftq+g;p b2hwsnermum), a sessile organism and a Humboldt penguin (Spheniscus humboldti), a m0pwgqm jf+ 7;bhyqsh t- 92.unotile 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 t 0/rddf7 lw2wane4svn/;ytz8 wo sarcomeres. Which structure shortens during muscle contractv/dyws;0 tlwn8a edzfn 742r /ion?

  Which animal forelimb is adaptedi,q gkk,d587b6 ed iup for swimming?

  Which of the following statements relates to m oyxs/m7i3*fn yofibrils?

1.Outline how antagonistic muscles 1cig qf:t+t,gbd 835xj w 6obzmove joints, giving an example.

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

  Which statement(s) are true for ATP hydrolysis during muscle ceq1czd8lz 2 8c.hn3ax ontraction?
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 reticu1dvp,n 5nb mc,lum and the sarcolemma.5dpm ,c nbv,1n

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of eve w.t+m5bsfl 6tnts in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulu uz g16,kcwf3o1k7xoum and the sarcolemma.3oz ukcox71 g1ufk, w6

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

3.Describe the process of muscle contraction.