Which statement abou73loy)g+ vwb:;cyksy;c : t syt eukaryotic cells is correct?

  Which are common feature+l 9drrgwtwqijm20) p7y- i a1s of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the i sm0d q*)o:klymage?

  Which statement(s) about the endosrv 1-zc7hvt5x)8di knymbiotic 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 Earth evolved from thz v* 7iog8vqh c) sm(z7em:1v g)4ukyke same population of cellsc7 (eszzg mkqi* ):go) 48vm1 vyu7khv?

  These photographs show the same section of a human retina. What k:1h;1odlwra is the reason for t ;oh11a:wdkr lhe difference between the two diagrams?

  Paramecium produces enzymes that catalyse did4m t0jtq45ynfferent chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this0tm dn4t5 jq4y situation?

  What do the two labelled organelles havea/yy8xjcpa 9 ;ngx-ij3- z-lk3zssd0 in common?

  Which organelle has a doubu a2 78 m4xem42jqiofile membrane?

  Which row in the table correctly identifies et vks5z:i 5 4lclua5:n/+cin structures which are present (✓) or absent (×) in proka:+/zlavik:en4c c5 ust5 i5lnryotic and eukaryotic cells?

  Which structure found in a eukaryote hmiuzo4 d,dk,(1zp n0 dtua0tjw1y9:pas 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 followin dwaisz+4xt:o4qnp s :tr 2h2+g statements 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 (er*ntz4d)f;ma lcs9 nr9,d ) ukhv+q of the Golgi apparatus?

  Which statement(s) about cell structure is/are not 2qsffcow-5 4 otrue?

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 ab 2o4 wynz:7c9bqkr/5 k m5jcf 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 /rta zj0:1c gr5zam+t pz+ g.zshows 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 eukaryotic and p tp ho2j8mt19grokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristiclpe qh(+s jy9hatb *50s that distinguish them from any pq5sj+bt e 9ya0*l(h hother 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 tranu785 z*u nufwvsverse 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 thgk /(ddg eszn;9xd.1qe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthe- vxg.gkt1:u bsis. Which structural feature is common toxgktg1u v.:b- both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiota8msttz*b4+vnwg 59m c:r k.nic theory?

  Which part of the cell is labelled with the lettel zef1lq/( migv +3/c 7oucln7r P?

  What feature of chloropyn r6t0v+p) xslasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell)ygoh9wm 4i : mnws:1z taken 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 bacterium Vibrio cholerae. wlat xkl ,ioq00-)7)d 7 hsapiWhich of the labelled structures maintains the cell’s shape and protects the l q7pws7i 0-l0dxi) aahk)t,ocell from lysing during osmosis?

  Which process is mos)k/ vkdd-u 1qdt likely responsible for the origin of mitochondria as a eukaryotic cell organelld/u dkkq-v1)de?

  Which organelle is th 12dbscrz/jx:p5/qr ze site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongu,) kttwya;iu m -mf90atus.

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 struct;f *y(hxpyxf 3ure provides evidence for the e f3 fx;y*(xhpyndosymbiotic 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 unicellular and multicellular organisms pfmy7g:7g8swh8 b y7o*: rjj ware correct?

Below is a diagram of a motor neuron. Neurn f/ zrvrc9. 9((,2hj whozeitons are the longest cells in the human bodyhri zz /no2vt9c.9(jerw (,fh.



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

2.Explain how life functions are performed by Paramecium.

  The following electron mi :c8bp4zpvtm+. l5xerrk :ddmy9j*+t crograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the produdvl+tptc:+ zjyp9x e8 kr .rmb*d5:m4 ction of vesicles for exocytosis?

All organisms contain genetic material. The tfk(nw gl *r;+7x*e nbdype, quantity and location of genetic material differ between kingdoms and specf*;lr+ bwgn*nke( xd7ies.

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 mitocho e )amek* hmxqy-f0t5mf0y.y ,it6 l5dndria support the endosymbiotic thee5ly5ha km )y ,-i fy6*0emf0x.tmdqt ory?

1.Outline the steps in calculating the magnification of a myr5)2 xl fx527wxl xcwicrograph.

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

  The diagram below shows a cell. v;. /mf*b 2o mtjx.4qew9dkvi


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 an+g mpkf, x*lm0d release large amounts of carbohydrates. Which characteristics would you expect to observe in spl0*f,kxg mm +uch cells?

The diagram below shows a celbjl ,8qs+hwv zjd5+z-tii1:z l.

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 mitochwjt t7*d.k 4 xcm:jm/eondria and prokaryotes?

  What is the correct magnification of this image? w ah*jpo-( -;aob lrd.

  Which characteristic is not true for both mitochondria and ch g:1zmmm*,nyi loroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litor 6(. awld r()muwi)lkralis. What is the actual diameter of the cell m6(w(kaliw.)rl u) dr in this image?

  The electron micrograph shows an anim1dq01t yk9zwfal cell.

  The electron micrograph shows a dnrg-v kfo7/rp:g4a 0sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z linefgv- rpngo 4dr7: /0kas?

  Which organelle is formed by a vesicww ;xa; s+x9trle derived from the cell membrane?

  Which organism contains Dfyw;ql4y h34s1.whh o asjy7.NA in exactly two different organelles?

1.Outline one way unicellular organ;)1nxu +liafpisms can carry out each of nutrition, movement and excre1 xnpau+; )filtion.

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 muscleyggrs1 ma1qia nq zv:tsno j4./wg1e19h*1v ; from the two cell typesnia: g4 atnqw vms qry11/1;os 1.1gj h*e9zgv shown in the images?