Which part of the synovial joint envelotz81 3 xzpzd7nps the synovial fluid?

  The diagram below represents a sarcomere. Which structures are labeled I 6r 8ne 0pdfsx 6o+ie7 yv+x q0r+o/reyand II ?ee qe+y /0dx s r+0p6o7oi6x+yfnr8rv

  The diagram below shows a synovial joeh 2tx.e,+ kskint.

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 synovmy:, ;iq.br: o2+h; hcezygmm t(t.unial 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 init cnjn03 :q5fh( ll+c9eiblnw.iate the process of muscljnfc5h+l e cbl:w.i3 n9nq 0l(e contraction?

  Which feature allows insects, such as crickets (Gryllus bimaculatus), to jum 4:atv 8b* rnx8mkr5xjp very hin5x8kbar*rx :t8mjv 4 gh?

  The diagram shows a Zebra ca x ,)nxr6pm:(Equus quagga). Which is not a reason for it to move?

  Which of the following brings about movement of the skeleyqu 0 qh0gm9a2ton?

  The photo shows an Australian shelduck (Tadorna tadornoi,vv3xbsl-c ahsou:f h-/+; jpdes).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospermfy r9ss -e8 joxw0e;1qum), a sessile organism and a Humboldt pes9 ;wjs0f qe-yro8 1exnguin (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 shor6*p tr7yjna 5t1 yjqc*tens during muscle cont ayj1npq5*t 7ry6 *cjtraction?

  Which animal forelimb is adape xvfad:.i-0k6f l2bf ted for swimming?

  Which of the following statements relates to my/l vp1i3hmni; ofibrils?

1.Outline how antagonistic muscles move joints, giving an example+,ino g;hlg4 o.

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

  Which statement(s) are true for ATP h,q5 ey au f-1q2op1bvcydrolysis 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 aoel;3hwob9wgoo m6,(8r 9 eti myofibril, the sarcoplasmic reticulum and the sarcolemma. ,gtlo8 ;oh9bowi963( emerow

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in musc ;rba0xku8 q:hle contraction?

1.Distinguish between a myofibril, the sarcoplasmic ryjw miusu290 3eticulum and the sarcolemma. 329 uy j0swium

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

3.Describe the process of muscle contraction.