Which part of the syl d(.3 natm zo,q0)dfsnovial joint envelops the synovial fluid?

  The diagram below represents a sarcomere5u 1xph:.klf u. Which structures are labeled I and II ? . pu5xhfk1u:l

  The diagram below shows a syno-y0ybkk )lx /1 9uwfrfvial 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 truz3p;j5 ck s* 8xrj,cvhe 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 to initiate the process bn-d()dx m,i1wf 2 xkkof musclef kxdm 1x dwn2-,bi()k contraction?

  Which feature allows insects, such as crickets (Gryllus bimaculatus), to jumkm-n jp;*jm19 z epid *ez03qpp very hieqe;i1n-m*9jp0dj mzz *3pk pgh?

  The diagram shows a Zebra (sv8/ewq t2z) kEquus quagga). Which is not a reason for it to move?

  Which of the following brings about movement of the skeleton?si1xo+4s*e sv

  The photo shows an Australian shelahml2v+a3fc 7(cx y/bduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospermum), a sessile organ*/gcjsu0 jom9 a12 /danez 4aaism and a Humboldt penguin04gmcz an2/a/9 as*e jjd 1uao (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.kmm zl2hw7 * -k 5.fu+yvrhit/-,su ko Which structure shortens during muscy mutiuhflmh5/+ -vs k.k,ow 2r-k*z 7le contraction?

  Which animal forelimb is adapted /gix6fl*a cb2for swimming?

  Which of the following statements relates to myofibcz9 kmgn:+kzut5i 2 j;rils?

1.Outline how antagonis .i8fkzo-kt )rtic muscles move joints, giving an example.

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

  Which statement(s) are true for ATP hydr5jc:hso g n5+bjm 7v0bolysis 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 sarcoplasmicl rwddz;*ea 8)/y6lcv jb47g c reticulum and the sarcolemmada) b;y48j7zwed glrc/6lcv*.

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct s1xzg o 4yy8ds1bhj2o:equence of events in muscle contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and the sarcolepew 6s8ac 3/aumma.wp/6 a asceu83

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

3.Describe the process of muscle contraction.