Which part of the synovial joint omvc72o l8b7q envelops the synovial fluid?

  The diagram below represents a sarcomebjta43o))n9wtbi h/ j re. Which structures are labeled I and II 43 n /ba tbhij)9twoj)?

  The diagram below shows a synovil65bke ,z6aa5gzi0/d5av a 2b g kg,aegq0yq)al 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 tg raqhljb8( 85l qal8;rue 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 bindwdh w*bi9 w1. d7wy4kds to filaments in the sarcomere to initiate the process of muscle contractiond9d k7hibw dwy4w. *w1?

  Which feature allows insects, such as cricke t qi bj.*.+jix*mdr zxgz-*a4ts (Gryllus bimaculatus), to jump very m ixb.+ij**x q t. 4djz*gzr-ahigh?

  The diagram shows a Zebra dsepjo) /n06aqs7b y*(Equus quagga). Which is not a reason for it to move?

  Which of the following brings about movement *)owx.hni,6i g 0m sopof the skeleton?

  The photo shows an Australian shelduck (Tadornagbd b)u j4zr,tys /)r1 tadornoides).
Which is not a feature that is adapted to aid in locomotion?

The image shows an African daisy (Osteospn;;h2 dfqal n1ermum acanthospermum), a sessile organism and a Humboldt penguin (Spheniscus humboldti), a motile ;hd1 ;qna2flnorganism.


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 reproi9we:8ds ;lxldzm0i ;us yn6+j *g ;lesents two sarcomeres. Which structure shortens during muscle co s; somd8 uyge;:wdln 6*+i zjl09xi;lntraction?

  Which animal forelimb is adapte ix2(vxny.c tp f6zk08d for swimming?

  Which of the following statements relatp3xqi 3mhdm5 -es to myofibrils?

1.Outline how antagonistic muu*bfrj6o:a e s(0k1r kscles move joints, giving an example.

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

  Which statement(s) are true for Afm7 n) n)h5plvTP hydrolysis 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 reticu3;k xjarh f 2w8u;ouz:lum and the sarcolemma. w2 :zju xh;3uk;ro8 af

2.Outline the proteins involved in muscle contraction.

3.Describe the process of muscle contraction.

  Which row shows the correct sequence of events in muscle contmd*.3cf3g* yy5p-jz2 txgiqoraction?

1.Distinguish between a myofibril, the sarcopla gh:x7f2m.ib61rd1w w6xpsxapvn3 w+smic reticulum and the sarcolemma. w76n6 2p rx.sda:xb3 1wmxi hv+gfpw1

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

3.Describe the process of muscle contraction.