Which statement about eukaryotic cells is c/b+(uqnb; ptai 6ws y8 *dhm)vorrect?

  Which are common featut8- lz jhuy.hlq.b(ul*eij2 6res of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is show4y(/,rqlz6ha p ;hf gfn in the image?

  Which statement(s) about thet:8 m2:wdujm7l, r yyp 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 aquauz:g1*6.w1huxn x ll life on Earth evolved from the same population of cezxug hua6 *1qw:u.nx1 lls?

  These photographs show the same section of t 2/ay2, akmqjjl2d5y a human retina. What is the reason for the difference between the two2yda ,qy2k ta2 5jjml/ diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions taking ai5 wac v,;tq;a+l * seg9rhc/place in the cytoplasm. What function of lifers*e/v5i, 9wclha t+;q g;aac is demonstrated in this situation?

  What do the two labelled organelles have in crit +kgtmd3h-so5 153rk ,*vdctb lw+ommon?

  Which organelle has a double memlw ( f)l2;i,qa*huvv hbrane?

  Which row in the table correctly identifies structures whip8qx ox7w *c9nch are present (✓) or absent (×) in prokaryotic and euw78oq *cxxn p9karyotic cells?

  Which structure found in a eukaryote has a +x(rc(r*c zfudouble 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 d-cy4gx6vo: q 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 the p+ikyn y w5x13Golgi apparatus?

  Which statement(s) about cell st *ufw9omm *f:cructure 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 bm 83du2s+bxymu;h sv:nk4 ssjs g6:m)lood.


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 8(znlkiy s1p 3yp 2pu2n3lm .bhr(xl;shows E. coli 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 eukaryotic7g58v8k3 fv8ir rwnvy and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have uniqu31ys j0* psx1fhaj0 eqe characteristics that distinguish them from any oh *a 1esf31jq0yp xs0jther cell type.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows ts+l0a/ 6ydorxpm ,h4a transverse 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 describesucsor7 y1(jp gd39/yl the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can performid jqz/ 48: nmss: n,oju(vg/r photosynthesis. Which structural feature is common to both cg,4s8/dzvisr nn:(q/jum j :oyanobacteria and plant cells?

  Which statement provides evidence for the endosymbih5ohssvk te*m-m; -mg,l8 ,b1 i 2qjawotic theory?

  Which part of the celgkf7upg z;a*-l is labelled with the letter P?

  What feature of chloroplasts provides evidence for the.kxd qb(c /*z vf*(ihago.f/e endosymbiotic theory?

  The micrograph shows an im1 .)yph2 zq.fat joaf b8i9ny8age 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 Vibri- agydflubt yds *g(tu;408k)o cholerae. Which of the labelled structures maintains the cell’s shape and protects-ldgy( a; t8t)b* f0skudug4y the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria /.xnau + 2n10f jmlft5oh;ngh as a eukaryotic cell organelle 1g.h mh25on0n+/fxnfuta;j l ?

  Which organelle is the site of pr;h7rr xj)9nyvfba45 r otein synthesis?

The diagram below shows a cyanobacter:yrkmv73 f0 0wcgjh6rium, 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 whose structure provides eeg7xjb rwk)l/8j/-g evidel 7xebg /rw8ek /gjj)-nce for 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 multicell0hnbt3c5dxs:krz(d bpwa ,6 y 2k/e2 7lzryk/ ular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the long 9c/okq;u brm0ky96nu est cells in the human b0urk69qo cykn/u;b9 mody.



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. Whipsyaa ;11hzh,h7 aa-s ch of the labelled structures is responsible for the production h;- h7 ,ys1 paaa1shzaof vesicles for exocytosis?

All organisms contain genetic7/kb( k qjnkx7 material. The type, quantity and location of genetic material differ between kingdoms and spec(nb 7 kjk7xkq/ies.

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 os * lp b6op6flw(wz53mitochondria support the endosymbiotic theory w(5p6lwbsf3*6l z poo?

1.Outline the steps in calculating the magnification ofd rg ()ex0d0lfk8 r7li3rn7un a micrograph.

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

  The diagram below shoc7:zaz7t p; rcws 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 cells produce and release large amounts of carbohydratczu vkupze9a* fd22d 7938n xces. Which characterist *72 p8c3znduuexzvf9ka9dc2ics would you expect to observe in such cells?

The diagram below shows a celzgp;t;91bpw ml.

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 m lhof yb5su.(0itochondria and prokaryotes?

  What is the correct magniqk( vk r,(nm 7s4:lornfication of this image?

  Which characteristic is not true for boh)tcx x8-2q pvth mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cel,dyfqo6vu / n7l, Cyclotella litoralis. What is tny/o, f dvuq76he actual diameter of the cell in this image?

  The electron micrograph s t ffs(mt0pa.h5tpf.n (56khehows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit)xqi0d no0 c)o of striated muscle tissue. What is the actual length between the two Z linod ixq0 0)o)nces?

  Which organelle is formed a051. ksdp+c dav ybk/by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organelle7 m(kjno( upvk;fk )a1s?

1.Outline one way unicelltu q to9,m1:jmular organisms can carry out each of nutrition, movement and ex m19uj,mto:t qcretion.

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 cel. ;46e zavjirwl types shown in the image6 z rj.ea4wvi;s?