Which part of the synovial joint envelops the synovial fluid? 4)6tgayi wr9t

  The diagram below represents a sarcomere. Whivb 5niy9qbu hgq 8kz1:tm38e;ch structures are labeled I and II y v85tnhi3 bqqz;1m:8 9 guekb?

  The diagram below shows a sykk.)(xqn iw a1novial 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 s73dmhmx6qe n-ynovial 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 g-hh*oij(xvjn b uf k08 7+/asthe sarcomere to initiate the process of muscle contrac7ho ib/funsj0-g+jxh *(k8 av tion?

  Which feature allows insects, such as crickets (Gryllus bimaculatus), to juziqm;;6um/qdi q he:1mp veryzuqq; heq61 :mdmi /i; high?

  The diagram shows a Zebra (Equus quagga). Whi yqff-r4 z s,9y-sq1,okvwe 5gch is not a reason for it to move?

  Which of the following bringkwnh)ss1je0v 4fh cs5 qj uhk9a/2o* z .)he9zs about movement of the skeleton?

  The photo shows an Aukxtdgk(( :a0 vstralian shelduck (Tadorna tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospermum acanthospermum), a sessile orxr hh.z9(z,g py3kqys:ozk -c1dzt 2;ganism and a Humboldt penguin (Sph93xy y:h r.gh2c1zq dkpo ,sk-;zzz(teniscus 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 structurrj9 :umb3 1mk xdhe+q3hpb5 y+e shortens during musc h 9juhr memby35+:1q+d3kp xble contraction?

  Which animal forelimbt,/db+u8b a 7(byvqlz is adapted for swimming?

  Which of the following statements relates to myofibrid(+/ ibk)xf*y/ibc :rv s,, 1dju rjpxls?

1.Outline how antagonistic muscles move joints, givi.)qeamg1, p hvng an example.

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

  Which statement(s) are true for ATP hydrolysis during muscle contractio(5 4el1 2djzkbheflf7 n?
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 sarcoj9cp/ kq2x 8rg1 uajf0lemma. 1 90p8rjufajqx kg/c2

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in muscl9 qa kw. fj+8sb8hi9tye contraction?

1.Distinguish between a myofibril, the sarcoplasmic reticulum and ts u91kfyy0vy, he sarcolemma9yys1fkuy,0 v.

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

3.Describe the process of muscle contraction.