Which statement about eukaryotic)hl n):akqbd ; cells is correct?

  Which are common featu x- :n86llx1jhyv(iqj res of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in thexs8q cz f(t4b bbh620r image?

  Which statement(s) about w (*)zf - dgqnw,dm1wothe 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 Ea7kwr ejx,(r2qhugc (7 q q9(uhrth evolved from the same population o(rw kq7 (gq9,u r2exchqhj7 (uf cells?

  These photographs show the sa5tz,n9gtdytwe q ,. 5 ;lwto8ime section of a human retina. What is the reason for 59,i.l8 wt ,wt;ognyd5e t qtzthe difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical react jh:is7,)pglyt nf;x ny1(8 qc 7uzsj(ions taking place in the cytoplasm. What functiyf:tl7qgi8ucss, y pn1 ) (x7jnh j;(zon of life is demonstrated in this situation?

  What do the two labely:vc3fa-*a wp; cdk0vled organelles have in common?

  Which organelle has a double ; u3ux+n fca .mclgd gb.:ue52waf38wmembrane?

  Which row in the table correctly identifies structures which 9p y ()i1m6sxx 1 d8blwkxpuq-are present (✓) or absent (×) in prokaryotic and eukaryoticmxp i1xu)9 (ys6w p 1bql-8xdk cells?

  Which structure found in a eukaryote has a do7b;.,m2r yxpl3x ja zl *viuo2uble membrane?

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

  Which of the following stateme*ws0 la u;z)sjnts are true about the structure of cells?
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 Golgi a u)cie,ig a7x:pparatus?

  Which statement(s) about cell structure is/are not true?e qcj6mdcfr/ :hv )n38

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 a micrograph ofilwjg(8a j.8an5w l l3 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. coli 9z; x(i)71 gy bsjnte sfpa8,ycells.


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 bote :6k8o oer/g nmnz1 m189uvwlh eukaryotic and prokaryotic cells?

  Mesophyll cells are found in zbn5kbvgx( q6;oew +:8;h( mbm,ezy bplants. Plant cells have unique characteristics that distinguish them from ankgqbxve(y:b,o; 5(w bem+;8h nb6mz z y other cell type.

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

  The micrograph showsv*:s6dm :ggayjf 6+r a a transverse section through a leaf.



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 the Dkt:b.j(pp v1 fNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesi0ak:nf xw 7)tas. Which structural feature is comaf0a)w :nxt7 kmon to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiot3hj2pin1qvst o2 : thrhhs,78ic theory?

  Which part of the cell is labelledc usz(saw8j-cj:g3r0 v s q-(s with the letter P?

  What feature of chloroplasts provides evidence for th*ns( nx, zwf(8glrtq )e endosymbiotic theory?

  The micrograph shows an image of a plant cell t/xw :1xfw:kyl k te:c;aken with a light 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 the bacterf52,vva /ynr 6w58qayutprs t,ay,p* ium Vibrio cholerae. Which of the labelled structures maintains the cell’s,, /5rvyu w appy8aaq,52yn*t f sr6vt shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochk2jy hc gt;.ho,.b4lhondria as a eukaryotic cell organelleb; .kly2 ,t 4.hojhgch?

  Which organelle is tqu;sg lj j.8h2s5/hqhhe site of protein synthesis?

The diagram below shows a cyanobact mfjk; -0j3k0e zr 2y:law7sdkerium, 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 whosw0rh8qcqs -g; e structure provides evidence for the endh;-0csrq gwq8 osymbiotic theory.
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 unicegrxiv*: zbr ;3gxy5w :llular and multicellular organisms are correct?

Below is a diagram of a motor *zvg 9ng93 eqmneuron. Neurons are the longest cells in the human b*eqggznm993 v ody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows part of an exocrine pancrec*qa94 -jjydn kyr7f3as cell. Which of the labelled structures is responsible for the production of vesicles for exocy4rfy jc 3jdka 79*ny-qtosis?

All organisms contain genetic material. Theg 3joay pj3u0*,4bcnc8*c klj type, quantity and location of genetic materia3j0c j any8o,c 3*cglj4bkup*l differ 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 support the endji *-w+mly kt(x(xrq. osymbiotic theory(i(kr .lm+ wtxyj*-xq?

1.Outline the steps in calculatijaa 5mmf(gb;).5rcq h::yi ysng 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 aj(m45k 7x vuk ej;p(y ekdq40u cell.


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 produce and relea5/*zo bj hcr du2qd.1rse large amounts of carbohydrates. Which chhdz c.r* q5doju21 br/aracteristics would you expect to observe in such cells?

The diagram below shoj7w:je,378wen*z mmiie fez 4ly d3i+ws a cell.

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 to both mu:iyq paf:og*pijjnw f: p/+7wm,6;nitochondria and prokaryotes?

  What is the correct majzsx m 7b6rq.+gnification of this image?

  Which characteristic is not t+x rmncou ** +ust*z*+;edysorue for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cygt c78q* u7-smv g,5u lk+uwkfclotella litoralis. What is the ukq-sf7ukvcm glw* u5 8+t,7 gactual diameter of the cell in this image?

  The electron micrograph shows kgbk- e+qj; z26 tut4q g))z6aiqz7lw an animal cell.

  The electron micrograph shows a r6l/aa;t v9 yusarcomere, the smallest functional unit of striated muscle tauv;rl 9ta/6 yissue. What is the actual length between the two Z lines?

  Which organelle is formh. l* az sdue0nc,*fa2ed by a vesicle derived from the cell membrane?

  Which organism contains DNA in exw:;av wkhkr5;nw*g y5a-biy- actly two different organelles?

1.Outline one way unicellular organisms can carry out each of(b b+tidzay d/ qq,r:j-;jp 2u nutrition, movemen +zp2 (qd: yui-,t/a;qdbbrjjt and excretion.

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 distinguishes funga(6h hy dasv5*vl hyphae and striated muscle from the two cell typ(6 vvh d*ah5syes shown in the images?