Which statement about eukaryotic ce)h;(:3flbiw ax/ ijuz lls is correct?

  Which are common features of bacterial 3yeb6wlahp0iz + )p3n cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image?vd-,/- opyhjv4xf04beji/ gm

  Which statement(s) about the e t.z1n/2 (klx /csvbhkndosymbiotic 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 all2itecs8sh9vq. uzxyi7 6 z )s- life on Earth evolved from the same population of cells7u)ic q6-ys hzx9si ez.28tvs?

  These photographs show the same section of a human retiri0wsr; jp32ke2o*t ana. What is the reason for the difference between the;jr 2wko023e sri t*ap two diagrams?

  Paramecium produces enzymes that catalyse diffevcxn1ji(3sp duck.tt50 x3 y2rent chemical reactions taking place in txc0(v.itcu23jyt xk3p5 1d snhe cytoplasm. What function of life is demonstrated in this situation?

  What do the two labell+v6wd nbrk .y1ed organelles have in common?

  Which organelle has a double memb,ldu vn4iuwj.,v ,fe 7rane?

  Which row in the table correctly identifies structures which are presengfafzld 5uh f214k+y; t (✓) or absent (×) in prokaryotic and eukaryotfh2k yfufa5+d; zg41l ic cells?

  Which structure found in a eukarfu,rb/hx m6c*rcq v 5,qh,qi2yote has a double membrane?

  
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 trxlz6w-h z-uyx i r1)o2(zf4 xbue 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 /-qd m.iy 4 bmhsr un)a 220jhp-htagifs95+rof the Golgi apparatus?

  Which statement(s) about cell struc;;ul4a iutox/o p; zq1ture 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 a microgbpi-cn+a ;xz3/ ti17 r-duwai raph 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 showsu.fj6bd9kg6 n i dkofda4+ *i0jle62n E. coli 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 eukaryotizmkkdsqz )r1e-deu k,;2b 52 lc and prokaryotic cells?

  Mesophyll cells are found in plants. Plg vcyx:9,qk 0rant cells have unique characteristics that distinguish them from any ot v:,gc kx9y0rqher 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 transve hgz 13 u r13rahc6+fbe.efw3grse 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 DNA and chromosomes of bacterial (nxsda5 iv 9dz. 40yva5l:fhucells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. W t : u g;yuy7y-vvyrb 7tt3auj(pm07)lhich structural feature is 7 r: tuyt0l 7yvmybpj u)u;v7-(gyat3common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbio c(eonkey 0owd/9 v*o3tic theory?

  Which part of the cell is labelled with the s.8f bzo)x4g 7q3ksxi s;r/tjletter P?

  What feature of chlor7g* e+2dvu ho;wzun3boplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with 7;yl/jmlqj rt 14ges+s b:; zla 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 bacterium Vibrio cholerae. Wheoyc7ef.s2x xsp6c+ /+p b )qfich of the labelled structures maintains the cell’s 2 ss7 fe.po cxe/x+qy 6bf+)pcshape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria mimo (b;n:e txy6/p+aas a eukaryotic cell organ;: aey6b(+ m/ipno mtxelle?

  Which organelle is the site of protein789i5rof wgbclq59, :bzo3hrkq-l zc synthesis?

The diagram below shows a v- mp5lm5z4 qewr6 -9 d5iuiepcyanobacterium, 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 who4zzn* 4 yzg3kzn 4dca:se structure provides evidence for the endosymbiotic theoryzz4n4*ky: z4gcnd z a3.
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,f; :lwdbv)sjr)w 0ud and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are thtdnejb q,n66utz f9;) huyn qf45i,+xe longest cells in the human 4qj6qdf+f nhxe t, ybn,5)u zt9;6iunbody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows parxz.3 * nd bk/dzjg1z3wc6 3f7s1zyrmi t of an exocrine pancreas cell. Which of the labelled structures is responsible for the productioidwzs1 f3 mnj7z.cg1ykr x/3*3zz b6dn of vesicles for exocytosis?

All organisms contain ged)cpwa sf tr wqsx9+2a6f-*+ wnetic material. The type, quantity and location of genetic material differ between kingdomsa w+srca qw+)9p2ff*t- 6 wsdx 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 ch1dti bt++p3j3vp e6n floroplasts and mitochondria support the endosymbiotic theor+v+3j6ip 3b n 1ftedtpy?

1.Outline the steps in calculating the magnification oql v93dw2tf.,hbxiz .yjkn: , nyz0j-f 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 ced/qr8m;up7i-;2ay5 qfw aky anbj,0qll.


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 release large amounts of carbohydvc ml.dv i6u9;rates. Which characteristics would you ex6vmld. vi9; cupect to observe in such cells?

The diagram below shzlo hw6qifbz.0878g p,y(q -eqn/ rsmows 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 bon 8ectgpbf ;x5yu6 m/4th mitochondria and prokaryotes?

  What is the correct magnificv3y7scw1 ;ydjation of this image?

  Which characteristic is not true for both mitoh1m 8e eain,m,chondria and chloroplasts?

  The electron micrograph shows a prokaryotic ce3;zc8qhvq9h a:bg 8mgll, Cyclotella litoralis. What is the actual diameter oa :qb8ghcm hv;8g93qzf the cell in this image?

  The electron micrograph sh i p /bu(6vbe(p*3: ksad1thriows an animal cell.

  The electron micrograph showsb is)51lr-fe1 ic5n cprha(k7 a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z lines(sf5hn-l ir1 kcapi57c1 b)er?

  Which organelle is formednde5 x8ui9ic95 g8lvzstt3b 9 by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactif;jc d3q .i-qly two different organelles?

1.Outline one way unicellular organisms can car2y+./j( +yuvu egf -y xc*otrsry out each of nutrition, movement and excretoefv.sy+ x ucr tyg2y-+(j*/u 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 distinguishes fungal hyphae and striated muscle from the y: 302vbeah+dg m5h+xzuw t z)uif4y5two cell typ4v: 3m+xuaz 2zhyf5g)wu0d + 5y iebthes shown in the images?