Which statement abouqr .g*p* -h+ p*3yexp7 txoe-rrmbv4 yt eukaryotic cells is correct?

  Which are common featuqle2bu)8m9oz res of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imagethk39y- mlxu7 o-d,sz?

  Which statement(s) about the en .so,rncyzb.9 dosymbiotic 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 a9bfd5 d-d5 rrt;qv6gsll life on Earth evolved from the same population of celldf6 rb-rd 5g5v9s; qdts?

  These photographs show the samei g5:yay4d to8q pp6pp)zm/)t section of a human retina. What is the reason for the difference between the two diagrama4gyzo i) / m:5pppq86)ttd pys?

  Paramecium produces enzymes that catalyse different chemic7*+3x fg vyjhdal reactions taking place in the cytoplasm.vx hfj37dgy+* What function of life is demonstrated in this situation?

  What do the two labelled organelles have in commod ;a;r6v)m b-paa larss3b ed02/wnt)n?

  Which organelle has a double mdsv jdjmu +53k4b0z-gsl/q, vembrane?

  Which row in the table correctly identifies structures which aotapeepd-/e5x/xy) pbni2) w+mk5 x1 re present (✓) or absent (×) in prokaryotic and eukarot 2-p+)1w x/da pxeke5ep/biny5m) xyotic cells?

  Which structure found w30xn+zpum g+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 struc5v 9s0v f+hgothi53w nture 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 apparatz (f+:hi+ bwepf:goo/q0b d-h us?

  Which statement(s) about )ah6.up+r ,0eyoz o (9nm yhlzcell 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 micrograph o1uiwz/bke3 :wym6 c4mf 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 cellsq:9rzafh l )x5hep2p8.


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 prokaryotg z 7r8d.x5kenn)*yy dxgi:4 zic cells?

  Mesophyll cells are found in plants. yjkh)m )pny9hxytg/8b *ni) .Plant cells have unique characteristics that distinguish them frb kjy)8 t.pmn i*)hyhy)x 9g/nom 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 transverserw(0(bl yfy u; 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 DN2 k.ib a* gj5 sm.kalfz31bqh73ox2 cgA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can uejme18a/6cw perform photosynthesis. Which structural fea cuee/mw16j 8ature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for: lrfjnnsyn 7ufc:e*9 .a.cw5 the endosymbiotic theory?

  Which part of the cell is l,0vcu a:ovwv :abelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic th bp8 ae-.n4+6gng 72vmb0 yehgbew+keeory?

  The micrograph shows an image of a plant cell taken with a light microscw +.tckqoxkw43 2s, umope.

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 ba . qrmnx8wbvg70k-rr,yhq 3*t cterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell fr qk-*xn7w .vb8h3qgrtmyr,0rom lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a dw13p-6cdb p8 ymgp e5eukaryotic cell or58d31 beg6py dw cp-pmganelle?

  Which organelle is the site of protein synthes0d)jq7 1.yk-p +xloflv.x uph is?

The diagram below shows /fw7mo 4rl ax88ri0r ra 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 ;p6 5ttzk:zjrwhose structure provides evidence for the endosymbiotic theoryr6 ;k:jt 5tzzp.
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 multicell5x q uu1 w+ms*ux2noj;ular organisms are correct?

Below is a diagram of a motor neuron. Neurons a h:sysb42o:w xytm k22re the longest cells in the human body. t2m:4khs x 22:ywb yso



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 a 4l7;mle(gr+rh l3mdb n exocrine pancreas cell. Which of the labelled structures is responsib7(b4rrlgm;d e3l+ mlh le for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity a/qgn /r/jx ma:oym7c6nd location of genetic material differ between oam/j/my 6/q :nx7crgkingdoms 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 chloroplasts and mitochondria support the e lk.fnrr+u,; 2icpy5g)k np -0wj9pzbndosymbiotic t5l rpi9rzuw2 k-jpc yngb).,f0+ kpn;heory?

1.Outline the steps iyg+xq7g5 wwx5fg4 c3(p fev;xn calculating 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 cell. v*3 zp8k+mf r9xpqb,dnti (p 4


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 release larg*f d275ftzf/ zvj1l zhe amounts of carbohydrates. Which characteris h12zfzj*v7l t5 zd/fftics would you expect to observe in such cells?

The diagram below shows a cell. ffyxfeug 14l)hyf:5v i3 z16m

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 sk7swnl y 1r8(both mitochondria and prokaryotes?

  What is the correct magnification of tb:- *3 g1t0;; n nea0rx; kxubxqazcbzhis image?

  Which characteristic is noqr6x 8 gxvccyj+o +k2wv10o,bt true for both mitochondria and chloroplasts?

  The electron micrograph show wlro1so50a/2 j 0g* krz0oscds a prokaryotic cell, Cyclotella litoralis. What is the r 20/5* oa o0gc r0swjzksold1actual diameter of the cell in this image?

  The electron micrograph shows an q); uv30trcrmanimal cell.

  The electron micrograph shows a sarcomere, the smallees q09lwr8yu4jg8q z/ st functional unit of striated muscle tissue. Whatqrjy0 q u9zswe /l48g8 is the actual length between the two Z lines?

  Which organelle is formed by a 1 ogjgm5 j6kc(vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two dist3vo j lu8u6 qrdsg8d. 4l:*pfferent organelles?

1.Outline one way unicellular organisms can carry out 9k w9hvmibon ))s y,x8each of nutrition, movement and e)v i wx 9omy8sbk9,)nhxcretion.

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-zca)zd3xk-z3o ;bmwb, iy 4 6 4,rlepnd/sgy striated muscle from the two cell types shown in the images?wycmbl;3 gsk/e)db r ,p364 --adi zz, yo4zxn