Which statement about eukaryotic cells sywx4u;7)hiyv7l 3dcb6 h v 0eis correct?

  Which are common features of bacters)0 uf6 i4+w l pxq4;ygoga.hrial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in x 7)nq *z0ctirlr30,jvw ux9fthe image?

  Which statement(s) about the endosymbiotic theory is truel9r2mi qfifx (ig8/a,a9t7yd?
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 the same populatio: n3ytk) s o ,1ea7sddkmwdi7fi*f6c,n of celldmds ,to1 *en7fky6s ,a)fiw:3 c7kdis?

  These photographs show thl6/e4u 8p 8ood9dbguu3q6wzv e*c hi4e same section of a human retina. What is the reason for the difference between the tq*vew89zdg d4c/olebo i8pu u 46h u36wo diagrams?

  Paramecium produces enzymes that catalyse mwgu7xp : 55;byj+.s frrw0zr kl0)wcyj;0ej different chemical reactions taking place in the cytoplasm. What function of life is demonstc0 5y+ uwf ;zxr0j:.ymepr)sw;k 5b0gwrlj7j rated in this situation?

  What do the two labelled organellw6d lk 1+qq0mhes have in common?

  Which organelle has a double membbe*6vn kru80h-xf d yfo p070/a un(cyrane?

  Which row in the table correctly identifies structures which are pos6iod1 kl e 1mx z+:-hucqm.*resent (✓) or ab-6dq .ochulk1 sox+ 1:mzmie *sent (×) in prokaryotic and eukaryotic cells?

  Which structure found in8zks .d)xl; ,z1jj +kglsl;6hzi-c :ql(uspr 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 nl6ydvw8y.9)gtpc saf 6*ow 4about 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 of the Golgi k6yzfao/wa8ftf g (*9 apparatus?

  Which statement(s) about cell strucw ,xl5d wumrh+yo 1.n1ture 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 micrograph of bkm q-gy*8oq: xyi;;ojlood.


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. c3xygb177 95ktbses .aqt3 rntoli 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 prokaryotic g3p;:s/ )lvp9br+fs /quhfnpk/ g g*fcells?

  Mesophyll cells are found in plants. 0tg7kl xyidq.wyf p-y 9-k 77kPlant cells have unique characteristics that distinguish them from any odq pk9kf-w0l7 iyxyt-7y7gk .ther 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 transverse section through a lrc/w. m,mc*w;fakwgpo7z;zjy 6v v2 ew-/s m 6eaf.



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 b,iaaez,l ywn0wagwrr08 ,41 bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which strun04gdxh3biw 6t:uy, t ctural feature6t 0:uxnyh,b gi3w td4 is common to both cyanobacteria and plant cells?

  Which statement provides evidensar 3dstmn4-m4 4hyb: -rlqw;ce for the endosymbiotic theory?

  Which part of the cell 2-- laepn8 o+etq0tsris labelled with the letter P?

  What feature of chloroplastyd0:tv(w1l3y dss:lc yx ff 5(b0r ss4s provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell5 gn2e:u s9944j*ng5r0 wbm sfg6,mnq kccfyj 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 Vibr6u ehwwpj06 hll7-ul 9io cholerae. Which of the labellw eh7l 6wj90plu6ul-hed structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochon84cp 1wq0k ghcpvgc,os t4(5 sdria as a eukaryotic 4h,48pk0t(sc5ogwspc qc 1gvcell organelle?

  Which organelle is the site of n9jpfr.c6s/ k protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongfw4k; (rtb2lvatus.

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 b p03 9 u9ep1zagc1yr:u 3wncsu7+ ifetelow whose structure provides evidence fo w3atsicp7e u gr0z+fuuep91 :9yn13cr the endosymbiotic 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 tr-y5,zow2r p organisms are correct?

Below is a diagram of a motor neuron. Neuroxi:c p 5tj+,odns are the longest cells in the humanx +i: po,tdj5c body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron hl -t-6 nlli+umicrograph shows part of an exocrine pancreas cell. Which of the labelled structl+ltu-- ilnh6 ures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The typ5n d fala-i8+v8mbsq6z,o ji3e, quantity and location of genetic material differ8sn3azoi,al-m5 j6d +fq bv i8 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 chloroplastsqpd a8 qyh564r4js *le6n nif9l +ddif5h8-ma and mitochondria support the endosymbiotic thi rn8 j5* 9 lsh+65dmha4pid8fa l-yq4qn6 fedeory?

1.Outline the steps in calculating the magnifica 1uw2;zdo8mkt.lc5ybi3 ;a attion 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 cell (i4u.b ot*mn /:pyvvv.


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 pro8 wvwwx 3lm ;-x*/zzjnduce and release large amounts of carbohydrates. Which characteristics would youxnv;/l z w8xj-w* wm3z expect to observe in such cells?

The diagram below shows8)ech(2 u 3k (4lgw saofwsi ys1s-.js 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 applieshjongpz833ut ka19.q mugu-* to both mitochondria and prokaryotes?

  What is the correct maw h b)05c(jxau)ton s/gnification of this image?

  Which characteristic is not true for both mitochondria and chloroplas/sxqakhei0 9.ts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Wh *,dh: v6;d7kd4he:h dtiracjat is the :j4 h h ;,dhav erkdc6i*t7d:dactual diameter of the cell in this image?

  The electron micrograph shows an animal cell.h3i,*a*l :cx: eaqja4btj5 y j

  The electron micrograph show07) zrc1djo(p jdwjn -s a sarcomere, the smallest functional unit of striated17 (rz)j-c0dndojjwp muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived frod3 wcql+ +vtc9o.rb7cm the cell membrane?

  Which organism contains DNA in exactly two diffe fy9(qmfhy)7 lrent organelles?

1.Outline one way unicellular organisms can carry j7stjd09y a :kout each of nutrition, movement and exc s:9 tkyjd7a0jretion.

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 wmqs*bw g41d3/wx ye +89:u;fvekpyd two cell typey; m/w8w bde: udeg 93yf+x1*wpvsqk4 s shown in the images?