Which statement about eukaryotic 3d8e1asxk.4f4r+x rif llc w, cells is correct?

  Which are common featuresk *avjx;yo-x 4(zwk.lfnb 8m4 of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image+z3gp uka2h3cd; 9unu3j /a jp?

  Which statement(s) about the endosymbik egv z q:s8l-bt0i/n6otic 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 Ep (m. ,n+u(s tf(qqpzxarth evolved from the same population of cexsm(qf((zuptp,.q +nlls?

  These photographs show thety9 jw wdikf(xg:*61g 4bt o;/qo6 vpi same section of a human retina. What is the reason for the difference between the two dia: ogbg x(pf ;y 614v*ji6dtki9owwq /tgrams?

  Paramecium produces enzymes that catalyse diffd7m81azerk q .erent chemical reactions taking place in the cytoplasm. 1a8r7mk.ze dqWhat function of life is demonstrated in this situation?

  What do the two labelled organelles have in coj 3hs t5o:c g1)7(plfnpleqi5 mmon?

  Which organelle has a d4 pg2u1j,iag.v y*l idob0 19)spwqd aouble membrane?

  Which row in the table correctly identifies structvl;31*m uma jeures which are present (✓) or abeu*m; l3am vj1sent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a doub7ijox-mh*jp c l 067gzle 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 pff0ff2*7+mn +lo vcf 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/u.s2 3njmt4ic2/mknhpcxd r,)ywe ; of the Golgi apparatus?

  Which statement(s) about cell structure r3(5xh3 b ejpnxfiv +9is/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 a4-zyty9,k- ne 6hu8cbsng9 lpi 0c ed1 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. cx (m7b8zmni0bgjkt -, oli 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 in18wpmvk; v h,ud2hjt 6 both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characterisb 0zl5 9x4zftutics that disfxlzb59z4 tu 0tinguish 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 tran fil6+.yyj x5dsverse 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 h6)gk6q/j egdzi)y9 9)qwe tiow*h0 j DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that ca/:ouicf sxu ;e w2x+,s /s(okxn perform photosynthesis. Which structural feature is common to both cyanf usx+,kxu:w/ s ( oxs/ei2;ocobacteria and plant cells?

  Which statement provides evidence for the endosymbioagg3k e ob(*ew 4yr+)wtic theory?

  Which part of the cell is labelled with the letter P? eiw ,uxxk -/(nb0 .oor

  What feature of chloroplasts provides evidence for the tcbp07 oq h3:mrtqaii4: jg9)endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microdictx8w hoa.w 9x.3(fscope.

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 b2:)hl,6 vs2bg bx6d zu kwx0qdelow shows a cell of the bacterium Vibrio cholerae. Which of the labelled str6sdld b 0u:zw k226q vhbxx),guctures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for thexl2( :cko de,t id7dk a,s99xy origin of mitochondria as a eukaryotic celldc 9 teyaildoxk,(2,7k:9dsx organelle?

  Which organelle is the wj+ qg5 3b*lsmdpke+4qo 7c0l site of protein synthesis?

The diagram below shows a cyanobasvp3hi.d qn+747wbkmg el -m528mhj acterium, 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 whou v2s54j 4qbad1rm ;w sm5p8fose structure provides evidence for the endosymbiotic theory. 25q;ps1m45osdmu84vwfja rb
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 are g 2zm yp7e7pv u.bk2e5correct?

Below is a diagram of a motor neuron. Neurons are the a 2jd h0,4lw hsg,xe-9fu ohos,1td7blongest cells in the human bod1h4h,tsjsglhe0o9fbw2 ,- x doa7d,uy.



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 pancreas cell. Whicp*zw9qij ek 5-d n-:kgeedeu1j( f:8j h of the labelled structures is responsible for the production of vesiclesj dj:dq(5ef- w*kk-e1i z:ep 9nje8ug for exocytosis?

All organisms contain genetic material. The typer p ae63fir a+4xqo(6z, quantity and location of genetiqa f4xroiz apr3e(6+6c material 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 chloroplsj l) ur9efj2+asts and mitochondria support the endosymbiotic theolsr+)jf ju9e2ry?

1.Outline the steps in calculating the magnification of a micrograph. + fvpa0m2;g sne q20 o/mw7ukp:jtw7v

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

  The diagram below shz4.z4x eyc.ro1d;np yows a 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 c;7q lac4puyr1; u(xkf 3pnyu)ells produce and release large amounts of carbohydrates. Which characteristics would you73 l(ukq;r )ucn4 1uy;pyxp fa expect to observe in such cells?

The diagram below shows alejs3 )ktn t1hd*r ./z 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 prokarytfda4v. 4 zic3 phx.d5p ju;f,otes?

  What is the correct magnificationgzpuq r(8r l-23* epxj of this image?

  Which characteristic is not true for both mitochondria,z xb);sf xqi4 and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyc 3oon7s 2 q4m(6ofbmymlotella litoralis. What is the actual diameter of the cell in thisqsm4o(m 7oonf3 bm 6y2 image?

  The electron micrographu8 vh iol*w0kvql3) ,u ,p v2zy5(h6 5lblxujv shows an animal cell.

  The electron micrograph shows a sarb,hsc3fo k2f*wz* s ,/3gn2gxld+wcxcomere, the smallest functional unit of striated muscle tissue. What is the actual lcl*xo32 f2gc*szsw3d ,xfnwg/,+b h k ength between the two Z lines?

  Which organelle is formed by a yz1kqc xd w p*(:bl o/nn;j76avesicle derived from the cell membrane?

  Which organism contains DNA in exactly two dw6h5(yoiof4b ll*rc) ifferent organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, mo )rdg9vt ,h.20n1nxiydvc )fjvement and excref. ,dtcnrvvdj)) 9gx 1h2in0 ytion.

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 two cell 5 ayv90)*s wngfn xtf 13+ac nrvj4nb+types shown in thj sn3 1n0 ++bn94axa)fnt vf*rywgc5ve images?