Which part of the synovial joint envelops the vup 5e tmj81gu cs;x+y7)29fhj(xyns synovial fluid?

  The diagram below represents a sarcomere. Which structures yydz zm7d 03,q5 hwu0rare labeled I and II ?y hrd z0mu,wz yd753q0

  The diagram below shows a synovial joint. j5rwl, j:7tpb

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 joi 7hu /bd7l).)ztbrkumnts?
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 t5(lnm(8ih z v tsday( :bf)d jq7ax;2the process of muscle co5hi2(jxv((z7my:dad)q tf n ;sa8 t lbntraction?

  Which feature allows)b4gs2 r)rye)nc lp9 su.v mv0 insects, such as crickets (Gryllus bimaculatus), to jump ver)p9s.mr )lgus )04evnc2vrbyy high?

  The diagram shows a Zebra (Equus quagga). krmhi 9l0/ ;1k(ua akrWhich is not a reason for it to move?

  Which of the following brings about mov4no5(n9j xecs ement of the skeleton?

  The photo shows an Australib(w9,i8l8y nd9 ncmb uan shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospermum)spgeno5sno61d d* ) 4b, a sessile organism and a Humboldt penguin (Spheniscus humboldti), a motile organism6*s4 oddo5n1nbesp)g .


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 strwm rk:f4s(l:-p;l mzpucture shortens during muscle contraf ;p4zkw lpr: sl(:m-mction?

  Which animal forelimb is r6b mj(uxx0-vu;dtp wa5q.q*adapted for swimming?

  Which of the following statements relates to myp+s,nb2ue c6-d jaeaq 9d )a0cofibrils?

1.Outline how antagonistic muscles move joints, givif48 fdlvt x0n:ng an example.

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

  Which statement(s) are true for ATP hydrolysis during muscle cont(9krkl jah/y/ raction?
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 -pb e8ttt-gi * 35wqcr66 hawlreticulum and the sarcolemmacrp ab t6wlhg8e *witq-5-63t .

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of 8tijz8fc(9 lmsk rb,s8tm 2;gevents in muscle contraction?

1.Distinguish between a myofibril, the sa2xlq e/6(w qksrcoplasmic reticulum and the sarcolemma. wksqq6 x/el2(

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

3.Describe the process of muscle contraction.