Which statement about eukaryotic cells is correc6zj t2n/mxm-:x pq u,iy :se(at?

  Which are common features of bam rddlv7 n026bcterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image?(( e7b dsnws4 vn;hvm.

  Which statement(s) about the endosymbiotic theory is true?o e.ygdgn 1.bs)qf46j r9ir 0x
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 3 bbbg / 6c(935.fxxzv l9.5 lvjcrc5udbgtjxlife on Earth evolved from the same population of cgjb5l3 bd93 x.cr6xjct/9b5z u fcg(vb.vxl5ells?

  These photographs show the same section of a human retina. W+s cj 2en pae5m.,tr:mhat is the reason for the difference between the ts ,5p2cjane.+tmrm e:wo diagrams?

  Paramecium produces enzymes that catalyse differen ly9nn) 0i)fgut chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situatiou)f)9 nl 0giynn?

  What do the two labelled organelles have in cos(-hhwpq h5 )emmon?

  Which organelle has a double mebwdpv94tnr+ z4.* sc xmbrane?

  Which row in the table correctly identifies structures which are present (79a2 gse 8e:c9hqaydi✓) or absent (×) in prokaryotic and eukaryotgqee iya9c:as9dh872 ic cells?

  Which structure found in 3z ( xg8lw.i+ d)rqpvba eukaryote 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 true about the structure of cells? 74cw;(nkfoadf * r rc;
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 apparatus?/ pc 9g9zw2v;gdl7ou s

  Which statement(s) about cell structuemx6 76ir4lydre 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 m8p5e d3lxdjuk9a6 ff(icrograph 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 shm+v8sef(l /u 7/,0h; cab 7zkigrns ssows 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 bu ki2hn+ le/w.x;;dx.z +pbocoth eukaryotic and prokaryotic cells?

  Mesophyll cells are foqke:y ct**ylaw 0c1h 73 i7hipyp3ho)und in plants. Plant cells have unique characteristics that distinguish them from an:e7h ktc*30 3hlpywicaoh 7i )1pq *yyy 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 transwv i:2d4-uxw .kxk8p 2qg o*uvverse 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 chromfj m.6n+r9jqun ,27z pm+ero hosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perfn3a rlnn6a.s kvs an) 2:;.3pfz3lereorm photosynthesis. Which structural feature is common to both cyanobacteria and plant cellsln36 rns.2azaa fe nvk.;:esnr )3p3l?

  Which statement providpmo 4w-1xjt4a6dpk )jes evidence for the endosymbiotic theory?

  Which part of the cell is lac-e;ba.wg b ,n1dlhn2belled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbioticz(gz8g ,jdx -chac5z1 theory?

  The micrograph shows an image of a plant cell takent31 fpqalt.)4ga*jy g 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 shx3(ts i4gd q6nvil:2 r(b xwm9ows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains tx4r d xt:m3n(g vi(bli2q 96swhe cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a :z.o9)y ggrqbeukaryotic cell organy bg9r. )go:zqelle?

  Which organelle is the site of protein synwifv tsm,,a uq- 8 dqw .ww(g9);;edjdthesis?

The diagram below shows -055/f8znc vf pyilhff p9k8d 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 whos s f*cspv qu3(y 6uiywfd81)1te structure provides evidence for the endosymbiotic t6yfqi vuwy t(1d s3)up 18s*cfheory.
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 unicellulamh/0jm/d. yti r and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the19 cawr1 apol; human body.o11w ar9c; lpa



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

2.Explain how life functions are performed by Paramecium.

  The following electron microg sln7v sb*ns+2n :r381pxbjrl raph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for exocys 2* pbn+1sr3 j7n8vlbl:xr sntosis?

All organisms contain genetic materaj(vau no.w1my-( ) udttm- :gial. The type, quantity and location of genetic material differ between kingdoms aumw (g o. a-m( jdyantu1tv-):nd 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 x(ovf(h eh87dspu. d 6gw(ej,endosymbiotic thx8hw,ps(6( efhov.d ud gj(7e eory?

1.Outline the steps in calculating the dn.iex.4vp :3a wj5xd 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 ceb8l7x ,2xmj 4l.5wydi lf0zx* ftjw+vll.


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 rele .bqnaj2s.+f; x,b3,vz t ceviase large amounts of carbohydrates. Whic 2jvi.b,+qc esfv.x,a ;3 btznh characteristics would you expect to observe in such cells?

The diagram below sho.8q estaxf )dw6qs5pd q;:7 svws 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 mitochondria and prokaryotesjgqo)sd ppfa.p51. i , 2)sinw?

  What is the correct magnification of this imacu q:uquw 5:+vy 7fdi)ge?

  Which characteristic is not true f/oa1c g7v ,iddor both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What i-djhby 6 *tp+lv nfp;,s the actual diameter of the cell in this t-dl,+nj6b f*yh vpp; image?

  The electron microgrq6w d(z2*35oi1.f; pdanhw0pssl c *8flpcebaph shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of ssi01jcpexzu587 w-k61savf, vy gvg 4triated muscle tissue. What is the actual leng,-1 a4 ixwjvg8 7f uyzevv5sk1spgc06th between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell meg )awpg).p :tvmbrane?

  Which organism contains DNA in exactly two differergjl s xczo5k)4jm4vf9w 1:,r9 gu( qjnt organelles?

1.Outline one way unicellular organisms can carry out each of nutritei x6curgw*ul4)m n4anfm::a au;9y7ec vb)1ion, movement and ex wnuu971*ymvf)c:m4ax buaag;e6ie :)r4 n l ccretion.

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 rzz.sn/g- yox- ki75qtf.v+ u from the two cell types shown in the iokt yvz/7q.sr5-u fx.+ gni-z mages?