Which part of the synovial joxx,p1v, :q4w,t iadl yint envelops the synovial fluid?

  The diagram below represents a sarcomere. Which structures are labeledp (vs/(i5gu( qbr-asj3tn h6c I and II ? nt( c( 35sh 6-/jrisq(upgvba

  The diagram below shows a synoviaoitphw )5z*a+l 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 arev f):qjkc+nil:+ge s-1 ssy2t 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 filae7yk *e+aowk(w7dg x 8ments in the sarcomere to initiate the process of muscle contr keag8ed7(*y +okx7ww action?

  Which feature allows insects, sud jcs6is f zxqkw21z, u.p0y)5ch as crickets (Gryllus bimaculatus), to jump veryq2f1 5)szj.ywc6 u, spkid0x z high?

  The diagram shows a Zebra (Equus qls4:6usfo n 5quagga). Which is not a reason for it to move?

  Which of the following brop+ 9e+dvhjlrgq 6w, ag- v*/iings about movement of the skeleton?

  The photo shows an Australian shelduck (Tadorna tadorno+/anmm rw onss1w2 /4oides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospermum), a sessilosqp zno/i6 c9y :dex27zu/ +je organism and a Huxszyzpd6u oo eni/2 :cj+9 7/qmboldt 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 represq jfk51qkg3hhjg274gents two sarcomeres. Which structure shortens during muscle gh2 hq4kqk5j3gj7f1gcontraction?

  Which animal forelimb is adapted for swimming?0oqii .n6jy rj (yr xd0q,hc;7

  Which of the following stat z yoa3mfp+t70ements relates to myofibrils?

1.Outline how antagonistic muscles move jointlrn 0a aygu/m 7 lwf,8ys*6xd6s, giving an example.

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

  Which statement(s) are true for ATP hydrogom 159/- fqq hdz3sxtibu8r/lysis during 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 s(: 6h* :vs hyp,/ o x/ko dqtzvnjnvu*v:bx+x7arcolemma. xvx: (jqsxo* on z +pnv*7:dbhyvht,v6k://u

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correj3hs1 u9xzu7 nct sequence of events in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and the saryxq7-; mr1 rmfsa 3ex-colemma. xfe-r r;xasm-37y1q m

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

3.Describe the process of muscle contraction.