Which statement about eukaryo9axp o6, tawhne-l 176w*utu7w31hxuha nv2utic cells is correct?

  Which are common featu5 j.bj4i ukdm1res of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imaqjw :mz)8jkk +8g1uu ut t:q.qge?

  Which statement(s) abi qlp9*u4tj m1out the endosymbiotic theory is true?
I.
It provides evidence for the origin of prokaryotes.
II.
It provides evidence for the origin of eukaryotes.
III.
It provides evidence for spontaneous generation.

  What provides evidence that all life on Ecvr9,tzc.5;o).bil 2 ocspb +,u eeidarth evolved from the same population of c.; sv5 ibiocz2ec,erl+ 9ot,). ducpbells?

  These photographs show the same section of a 6v/swmg /p/ qlhsl;; ymbzb*/human retina. What is the reason for the dig s w6bq/zl/sm *v/yp h;m;lb/fference between the two diagrams?

  Paramecium produces enzymes that catalyse diffe av,6hxcz 7qnx9g9 uosiij:uf +1qa 6(rent chemical reactions taking place in the cytoplasm. What ua9cn1(qix6 qh6o79 zx u,+jisv:af g function of life is demonstrated in this situation?

  What do the two labelledsa2u1q7 v)q +dr8j6obovo c 4u organelles have in common?

  Which organelle has a double membray3f6br4,wfc 3wi z6f qne?

  Which row in the table correctly idbz,bic 3q.6et entifies structures which are present (✓) or absent (×) iz63qc iebt.,b n prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membrane/y/qlh4 0g5wczkqo -j6qg dh 7?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statements are true about the structure of cvrk-en1c +) d ipr:l yi),5fdsells?
I. All cells contain cytoplasm enclosed by the plasma membrane.
II. The microscope was important in understanding the structure of the cell.
III. Prokaryotes do not have genetic material.

  Which of the following is not a function of the 8jvv6):qsefiGolgi apparatus?

  Which statement(s) about cell struz 30;jc tp *bqypv73mgcture is/are not true?

I.
Prokaryotic cells have a compartmentalised structure.

II.
Only eukaryotic cells have a Golgi apparatus.

III.
Only eukaryotic cells have membrane-bound organelles.

  The image below is a0s(z.)ue lt 3wfeq)an micrograph of blood.


1.Identify the part of the cells labelled A and B.
arrow    points to the plasma membrane
arrow    points to the nucleus
2.Outline why blood is classified as a tissue.

3.State where the stem cells needed to produce red blood cells are located.it is      .

4.Progenitor cells are produced by dividing stem cells. These cells will eventually differentiate even further. Blood cells have a common progenitor cell. Describe the process that happens to these progenitor cells.

  The micrograph below shows E. colih q*(9n6a vwsp cells.


1.Identify the structure labelled I in the micrograph.

2.If the magnification of the image is x36,000 and the length of cell II in the image is 54 mm, calculate the actual length of cell II in micrometres (µm).The number=  µm.

3.State one feature, other than the structure labelled I, that can be used to identify the cells in this micrograph as prokaryotic cells.

  Which structure is found in both eukaryotic and prokaryotic ce 3 5aox :p8paoe aobl an;,5p9.yoi,gells?

  Mesophyll cells are found in plants. Plant cells ha+l.yk 7 uvj(r*5ilvq nxk4g3wve unique characteristics that dql. yi74j uw3grn*v(kl+ kv5 xistinguish them from any other cell type.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a transverse section through a lea:1+vdu* 26ip6qz6 w b n9bfqs pfdv;pff.



1.1.Identify an adaptation of this leaf for its function.

2.2.Identify the cell organelle that is found in particularly high numbers in the palisade mesophyll cells.
it is   .

This micrograph shows a transverse section through a pancreatic acinar cell. Acinar cells are found in the exocrine tissue of the pancreas.


2.1.Explain how the structure of this cell is related to the function of the synthesis of proteins for release from the cell.

2.2.State why an electron microscope is needed to view the ultrastructure of the acinar cells.

  Which row correctly describes :xk9 tb gnkgg2 8m n7n+0xybi:the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform pho/m+qox *dyp dau 5235k hveu5htosynthesis. Which structural feature is common to both cyanobacvahokdd2xp+u 5hue5/3m 5 yq*teria and plant cells?

  Which statement provi9efc8 0u7wtaj)jae ) hdes evidence for the endosymbiotic theory?

  Which part of the cell is lhk+ysfw k r/g3/kui,2t0gncuj s4 *r1abelled with the letter P?

  What feature of chloroplasts provides esd2 ne8gw ,he(vidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light x*+h9wlju,b*ar+8ry o5mk ix microscope.

1.Calculate the magnification of the image, showing your work.
Magnification=   x

2.Label, with the letter N, a nucleus in the image.

3.The image was taken using a light microscope. State how you deduce this from the image.

4.Draw and label a diagram to show how the same type of plant cell shown in the micrograph would appear when examined with an electron microscope.

5.State two differences that would be seen when looking at an electron micrograph of a bacterium cell compared to this plant cell.

6.At first, the student who took this image could not see the cell when focusing the microscope. Suggest what may have caused this problem.

  The electron micrograph below shows a cell of thewc/67 qs*ua ta rud-90o)lv gi bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysi9sac-*)/ uao6 7vwdqilr g0 tung during osmosis?

  Which process is most likely responsible for the origin of mitochondria asc0hahot - qpf.c4 /8gm a eukaryoticp-0a4c/qhmh . 8 ofgtc cell organelle?

  Which organelle is the ;u 7cf e4lucf q+)85xrh:ovagftlp 5) site of protein synthesis?

The diagram below shrfg n3z :wyf)rrt)8*jo/3d gi ows a cyanobacterium, Synechococcus elongatus.

1.1.State whether the cell shown in the microphotograph is eukaryotic or prokaryotic. Give a reason for your answer.

1.2.State two features found in both eukaryotic and prokaryotic cell structures.

1.3.Identify the type of microscope which was used to produce the microphotograph above. Give a reason for your answer.

1.4.Describe the function of X.

2.Compare and contrast the structure of the Golgi apparatus and rough endoplasmic reticulum.

  1.1.Identify an organelle visible in the figure below whose-/bo+ 8o /wnxhw 7 tvci8f3v8jsl zb4a structure provides evidence for the endosymbiotic theory.4v8lcboti -x/ozj 3+7wbavhn f8w /s8
organelle is   



1.2.Label with the letter S an example of the organelle that you named in part (i).

1.3.Describe three features of the organelle named in part (i) that support the endosymbiotic theory.

2.Compare and contrast the structure of a mitochondrion and typical prokaryote.

  Which statements about unicellular and zn:+z r+jpshdk+ 4l-nmulticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longes.;u eptxq/m 5kt cells in the human body. q/ .tk;u5mxep



1.Explain the factors that limit cell size in humans.

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows par f0*s x fg2ck992wexhypm tm*0t of an exocrine pancreas cell. Whichsxp*y fft* w9e0m02 mkh x92cg of the labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genet b89ax/mf kx48h x z. jc7e7-ve fswd7kj(fmu.ic material. The type, quantity and location of genetic material diffx/jvu8 sdxf4xke8hf.f7w 7zj .m( 7-9mab kceer between kingdoms and species.

1.State if the cell shown in the image is a prokaryotic or eukaryotic cell. Give a reason for your answer.



2.Distinguish between prokaryotic and eukaryotic DNA.

3.Outline Cairns' technique for measuring the length of prokaryotic DNA.

  Which statements about chloroplasts and mitochondria supp7u /qi:8oies uort the endosymbiotic theory8oi uie:uqs 7/?

1.Outline the steps in calxn4niyg1zrxq) 9 u;h1culating the magnification of a micrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows a cellaw1r)tsmd9ekm /g :a-.


1.1.Deduce with a reason, what type of cell this is.

1.2.Calculate the magnification of the cell.The magnification of the cell=   x.

1.3.Outline two functions of life carried out by the cell in the diagram.

2.1.State the type of microscope used to produce the image.

2.2.Explain your choice of microscope for part (i).

  Palisade mesophyll cells prfpvd24+k*at e oduce and release large amounts of carbohydrates. Which characteristics would you expect to observe t+*2kd vf4pea in such cells?

The diagram below shows a cell.qtxza5as-(far7,rov(mo gq/ w3wg7 ,

1.1.Compare and contrast the structure of a mictochondrion with the structure of the cell shown in the diagram.

1.2.Explain why the cell in the diagram is structurally similar to a mitochondrion.

  Which statement applies to5lp 5fpz)j -axn 55zxed1ii y; both mitochondria and prokaryotes?

  What is the correct magnd5.2 ri sh2j-cn i:+ncktbnq)ification of this image?

  Which characteristic is not true for both mitochh6wuwwub3totrj.r t2 y+o2;1 ondria and chloroplasts?

  The electron micrograph shows a prokaryotic cey, ttbd;vt9i gq;t,9pru9 3w cll, Cyclotella litoralis. What is the acvryup9dt 9tg;i;,cw t9qt,3btual diameter of the cell in this image?

  The electron micrograph shows an a frcxn 3p:t.5cnimal cell.

  The electron micrograph wh.l 6j, r5wwgmx0p6efs k: y9shows a sarcomere, the smallest functional unit of striated muscle tg0 rw6hl 6,5w e.fyw:9mskjpxissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived frb6jbdd;j 5+d ,iatn 3kom the cell membrane?

  Which organism contains DNA in exactly two different org)i vsb:np(k spj: ,tq3anelles?

1.Outline one way unicellular organk1 zm.vt(o6alq odw ,1isms can carry out each of nutrition, movement and excretvmzltq 1 6oo1 d,kw.a(ion.

2.Draw a single mitochondrion, and annotate it to outline the role of four labelled structures.

3.Compare and contrast the structure of E. coli and a palisade mesophyll cell.

  What feature distingu; */j lsm5f5ouyf si)lishes fungal hyphae and striated muscle from the two cell types shown in m5slf)o*s j5l;i /f uythe images?