Which statement about eukaryotic cells is correctiumg-1t,gjk *6tv0 2 oq)yy ez?

  Which are common features of bacterial 9ql1aba* z+u i6w;bw/o)4rec 4vtwv,tcay7ycells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in7)psfye w pd. zsq/0t, the image?

  Which statement(s) about6h/ltne f4m 4w the endosymbiotic 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 E ws2 qw+80-w ut1wk/dlgyvp1y arth evolved from the same population of sw gwtw w dy-k/1pyl8 2qu1+0vcells?

  These photographs show the same section z7- joga5 0ltrf3i9qsof a human retina. What is the reason for the difference between the two diagrams?gots5 fq-30 rja 9i7zl

  Paramecium produces enzymes that catalyse different chemical reactions taking pepry5(88 mct hik4 v)rcrcg.9lr9prkcye(t 4)mc 8g .ci8h5v race in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have ii7b,oh vzee ,:n common?

  Which organelle has a double memh7n. xmh9 aw,bbrane?

  Which row in the table ftpz s cd4v;48correctly identifies structures which are present (✓) or dv4zp84;tf c sabsent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukary* xp/-ss1jonulx(ma 3ote 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 ar1ibn9,n xs5rs zu48e ne 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 of a;gw )ridh mj(lj; , ta5))gorkb62jdthe Golgi apparatus?

  Which statement(s) about cell strujnjazg8 /ah+/ yht( d3cture 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 blooda3 -ukyi)-tk:to)gm t2 w p ka81iqb5x.


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 cells p 64lz84imyoo.


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 k c oq*6w7vrg5l 7edet/l0jt/eukaryotic and prokaryotic cells?

  Mesophyll cells are found s/)iarn4pp9(08bvxt gsh m4e in plants. Plant cells have unique characteristics that distinguish them from a abe9t/sphrx(mi 8v0 s4g)np4 ny 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 transversm6otk)n e;f .*d1d qzkw(j.a ne 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 chromoj( u25zlk uyi94q joe4somes of bacterial cells?

  Cyanobacteria are prokagin8tv2 g4p o2x7t-t*6 nslfc ryotes that can perform photosynthesis. Which structural feature is common to bc7nt pot4l2*s8g gv62f x i-ntoth cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotif57lebk,jo2ad/;5f. u:z 7gf u bpn jgc theory?

  Which part of the cell is labelled with the tjnrt* 6 ,wgl,lowg -3letter P?

  What feature of chloropl.fln unka*z25asts provides evidence for the endosymbiotic theory?

  The micrograph shows an pzrqgnw5jy :9ku1b.9afy1 r7image of a plant 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 choleran;x h 3awk23w5wrrzq,e. Which of the labelled structures maintains the cell’s shape and protects the cel a;qwwrh 32,5 rxnk3zwl from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria asp):s yr z))r-kf5mt wy a eukazt)myks: r-yrw p))5 fryotic cell organelle?

  Which organelle is theh bu;z1e+e*hb site of protein synthesis?

The diagram below shows a 1l utvs 7p42etcyanobacterium, 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 fy 7 5cnl0upba8igure below whose structure provides evidence for the endosnlc8y7p05ub aymbiotic 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 unicellulhm9dvp*y)as068 j q shar and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the: ;;tzk5fayn0dz+ tj b longest cells in the human bodkaz+ fb d:tt0;j5 ny;zy.



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 ex *vsn zve-kx5gs3psu0cx c+,5ocrine pancreas cell. Which of the labelled structures is responsible for the production ofvxs,5pkscg*nzx 0-e5+vu 3s c vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location o11 9bvl0bqmj+lt t0i of genetic mate1mlj00b ltbt +v9o 1qirial 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 chlotase5qrv huo*xi6f f60z88 8 3cz1hcyroplasts and mitochondria support the endosymbiotic theory8r60tf 3hf8ci quhcs6 5a1z* exy8ov z?

1.Outline the steps in calculating vrge2efx4ux. jh* j/; 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 f hcea*t3 *dh0a 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 cells produce and release large amounts of coj6 ln8pto;n 3arbohydrates. Which characteristics would you expect to observe in suc6 noo 8;jtpln3h cells?

The diagram below shows a ce:2f8 c nlmd* 5go;jqvgll.

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 applq)pz4u v x0zd3ies to both mitochondria and prokaryotes?

  What is the correct magnification of this i 2ripgl6n4/u1o xm2 dsmage?

  Which characteristic is not true for both mitochondgiood/rb:yz *i8-0ost/ :bvn ria and chloroplasts?

  The electron micrograph s/qlz-jp.9i5 fnut1s r hows a prokaryotic cell, Cyclotella litoralis. What is the actual i l-/qptns5zf9. 1jur diameter of the cell in this image?

  The electron micrograph shows an w(gwmi;b/yp7 animal cell.

  The electron micrograph shox); x3srha1njiap 7*sws a sarcomere, the smallest functional unit of striated muscle tissaji1h)rn;sax* xp3 7s ue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the 2k80/ywu cj u+wq ,epn+vt d2zcell membrane?

  Which organism contains DNA in exactdc4h9i*4gpbo3 9y m *wzrhq 8ply two different organelles?

1.Outline one way unicellux1ewp ;e e yo7fd*-sc0lar organisms can carry out each of nutrition, movement and *7yp we0ed;c 1e-fxosexcretion.

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 frome g ap:1gq(b r.tpbr1/9ofp *;jmnw4k the two cell types shown in t;1a 4gn/1grreb9pqpf mob: p*j(k. wthe images?