Which statement about eukaryotic cells i t*/ 4rv5xflm1nvjcq dw7/k z+s correct?

  Which are common fear 0 cr cndx)r m-*ojeg1;,x:p;: iprshtures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is *,hcv nw)1w6hjqi3 rwdv;m1sshown in the image?

  Which statement(s) about the endosymbiotic theory is tru 8/z btlevsorq, q9i,*e?
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 fromf;g t xz2qu fexiw(n4p )ap:r c;iq016 the same population of cez(; ni4qf1 pfewr 2u 60xx g)cqt;pia:lls?

  These photographs show the sabc-3 esi9 s9yz9k bso9me section of a human retina. What is the reason for tho-y 93sb9 eisbc99zks e difference between the two diagrams?

  Paramecium produces enzymes t(sfc:w e)pbl3 z job(c78 qgn6hat catalyse different chemical reactions taking placef wgjb )3o8n(zpe6:(q7 s cclb in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in commons./n5 ooxh1 6 h.lfhpm?

  Which organelle has a double memx6mdkj68 g1mrbrane?

  Which row in the table correctly identifies structures which are presentudmaw) htf.tlx*l5x*31fv8z x 3x jk 8 (✓) or absent (×) in *h.1xxvxl 8td*f mz 8 kx3)taufjw3l5prokaryotic and eukaryotic cells?

  Which structure foundcrs xet0ahr2jz4 r 53 4i;yuzm4)-3xfm i -zgu in a 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 struc32,1vfgiqwl0 dl )ottture 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(5b nxv,8dfz b a function of the Golgi apparatus?

  Which statement(s) abooma+0dip4o6:d8z4t5bnz cmb ut cell structure 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 mi cib(t;iu-j;um ah.9k crograph 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. coli c15 5qgt 4lysuqells.


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 box*hvf04:/ lqmkk.jbeth eukaryotic and prokaryotic cells?

  Mesophyll cells are foundn1jwjn5,unv 1 in plants. Plant cells have unique characteristics that distinguinj1 n1, vnuj5wsh 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 :64dhx6di ,r odrh(u itransverse 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 cnt )m.n 3cdn;rhromosomes of bacterial cells?

  Cyanobacteria are prokary,i+gu bii* 0ajotes that can perform photosynthesis. Which structural feature is commob+i *uga,iij0 n to both cyanobacteria and plant cells?

  Which statement proviykg.qz:q fz50des evidence for the endosymbiotic theory?

  Which part of the cell is fw0kcel wud1+/9)fl xlabelled with the letter P?

  What feature of chloroplasts dp6r (gtzbcyg3 j 152qprovides evidence for the endosymbiotic theory?

  The micrograph shows an image of a 1v oa 76 nt3y9cp7udjyplant cell 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.e 01flo9 3qkfm Which of the labelled structures maintains the c3k9f1emoqf 0l ell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible fo 1 1- qsv9pa-fhtslh2dr the origin of mitochondria as a eukaryotic ce1 tpqdh1val f-s2s-9 hll organelle?

  Which organelle is the site x)zg bw,th g81p*yr/(zf jkt/of protein synthesis?

The diagram below shows a cyanobacterip+:i ze- )6 uxwb2wnffum, 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 whok:jzbyf0fqo)8cb 9d8 se structure provides evidence for the endosymbiotic theocf9 jz bkd0bqy 8)8f:ory.
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 akprx7w 05*p4umpau c -5r)yb nre correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the hu4o)chs:ci6lhkhud q 20) 4bnx man body. 44:x d2ch s)0q l kn)ihh6ocub



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 exrckrgb9,6 a(aocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for kc r(96 garba,exocytosis?

All organisms contaip:2ppuk qluz3j)*b m,n genetic material. The type, quantity and location of genetic material differ between kingdoms and species. )p mbzk2q, *upjup:l3

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 mitochondrs :otk erqj ; wu-afqo2y580:tia support the endosymbiotic tt 8 ;k u0aoowsq-r5jt:fy:2eqheory?

1.Outline the steps in ca )i57zfcz4s9d.s.cq1j:wf; iumgx zt lculating 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 a c*afs2x md h-hnz39mh906w qdd ell.


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 re9lmv kio69ey(n w*(f /;tioxk lease large amounts of carbohydrates. Which characteristics would ytkn(k ii;/9oxof6vm(we l9 y* ou expect to observe in such cells?

The diagram below shows a cellv-dw 7wzwp0ygn m. dsyxa /zl:cv-8); .

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 bzwiavgw 7 2xu1 en71/roth mitochondria and prokaryotes?

  What is the correct magnification of this imagt8+e j (lu /oze ud)2n-h 6z3an/leebpe?

  Which characteristic is not true for bothtk+.+il xsw ;kpn(cn/ mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyaw5;:o+s 9l ix.kz d+grsp*atclotella litoralis. What is the actual diameter of the cell in this +ssapt; i w +*z 5:lrodk9.xagimage?

  The electron micrograph f::1znq x4mm cs1 o3mfnc) r *j-kbm,zshows an animal cell.

  The electron micrograph shows f,t1p;apa .wh :p/nlla sarcomere, the smallest functional unit of striated muscle tissue. What is thenw.p ,pl: a;hfl/p at1 actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cel4 ds)edo6mf8 ;ygtt -kl membrane?

  Which organism contains DNA in exactly two different oveta.m2 ar9wu p* h*4organelles?

1.Outline one way unicellular organisms can carry out each x3 qe+k0/r7vaz(;ln on9.h j rh wbwf5of nutrition, movement an/ 0nh9rr ;qkb h njz(3 +av5w.oex7wlfd 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 fungal hyphae and striated muscle from w ju qy1u++n(vogj8l7the two cell ty(7ljg++w8oy 1nu ujv qpes shown in the images?