Which statement about eukaryotic cells is correc mem3 z)k*)(y6 a6xijj hw5ekbt?

  Which are common features ofdw 3 b i41k2o*;ybkznylgu)smm.m:s) bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in tzosixp.)cj0*5hs c 0 dhe image?

  Which statement(s) abofb iw/4 udoikv6ud k)9p.w)y -ut 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 Earth evolved x9v;l liiu*a-u tkp39 from the same population of cells?vl9u; xt*39u- iiplak

  These photographs show the same sekz d()4uqsr mv /(yqz;5h7zrjction of a human retina. What is the reason for the difference between thzqd rzm()y4;5sq7ru /(h vjzk e two diagrams?

  Paramecium produces enzymes that catalyse different cin 6h:f.(zpwrhemical reactions taking place in the cytoplasm. What fn.rp6h (i:wzf unction of life is demonstrated in this situation?

  What do the two labe (4)cz; caywlat/cv3h 1mly*glled organelles have in common?

  Which organelle has a dou( xpkrc1g(v ;fble membrane?

  Which row in the table correctly identifies structures which are present (✓z u* ay6e;h-gc) or absent (×) in prokaryotic z u6c-ygh*e;aand eukaryotic cells?

  Which structure found in a eukaryote has a double2enk2w-2pg8xhwa b g +kx7 fx6 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 jy/ip d448 hntq2f)mtstructure 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 followingku7k yq l5;l6n is not a function of the Golgi apparatus?

  Which statement(s) about cell structj ;(-w)8 /vjl6leglyxrafqapqr) (- yure 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 microgw;q)e,p+0kt/2d c1ikdf u i ntraph 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 E6zx r8hsqrgn fr2i7/ xc )3hn:. 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 eukaryotic and prokaryotic cxkhtl1; ev.: bells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics t zi,px7oln.d a n)9uew-yb/m2 hat distinguish them from any other celln2yzld.e,b)7oip m xnu 9w a/- type.

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

  The micrograph shows no u0nj*kw0f5a 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 describes the g+g:j 6aka u-xDNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which struc e2 lw1t gru*z xg5)i7f6qq-entural feature is common toz q1l2*e7-we56u xfitnqgg ) r both cyanobacteria and plant cells?

  Which statement provides wl)ed+afluu c, e -bzq7y13;z kdj )r/evidence for the endosymbiotic theory?

  Which part of the cell is labelled with t7v61dt. abw u0:.hkw qv3.w v :ecppgahe letter P?

  What feature of chloroplasts provi*:)/) f ( dhzyss.nadtvs8lyl des evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a lig*4wd+m cl+ji/ xiz :i0 zsqs1yht 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 beloz2b )ve5:vfb 4q+fhgyw shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during o4vfygb+5 ev:2qb) f hzsmosis?

  Which process is most likely responsible for the origin of mitochondria as f 44xu5lzm 8uh, z(rpza eukaryotic cellx4(,z48h r zuu 5fzlpm organelle?

  Which organelle is the site of proteix,v5b (ongg;e n synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus. w qok/cho9lqn1y a-e uegw6t/y:73y7

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 fixxz0(wcpg y )*gure below whose structure provides evidence for the end0 ycgwp) xzx*(osymbiotic 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 mult o;-3 kkuwl l8pobs0z9icellular organisms are correct?

Below is a diagram of a motor neurox aw5fuizf 8pw p*y64t60 bn.an. Neurons are the longest cells in the human body.awp 0if4xz ya6fputn 5w.68*b



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 exocrineccfjn ,kfn 3;mvi78sz l (*de8 pancreas cell. Which of the zi88lf3n;7,cj ks vcde(mf* n labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contai y8kiqax41uvue4j9w7v*y (a mn genetic material. The type, quantity and location of genetic materuq84vy w4*m u9vek1iy7x aaj (ial 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 cn npegmcfbx/r76w7/ .hloroplasts and mitochondria support the endosymbiotic thebfr ncme./wn 7x/7gp6ory?

1.Outline the steps in calculating the magnification of a micrograph 36-l+xt(iq/ceaul j n.

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

  The diagram below sh azv)hh ck3y.g.5w ;pego 7q0jdh t37iows 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 carbohydrates. Whiz+5cjuhgk v7 1ow,k gzke000+v6ire xch characteristics would you expect to observe5g01kxj7 e i k z0ork,6hv+vzw u0+gce in such cells?

The diagram below shows a tmbpe9sz1q2xxoa2 (6 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 applies to bodizpra;q19fm 0p3 yv06 l6hut th mitochondria and prokaryotes?

  What is the correct magnification+ml0t-94l xupjaa.co 0lfccix -7t20 ify fm4 of this image?

  Which characteristic is not true for um2m/;pyjc9qf t*y u7both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cywins q+( 0i4wr pg9 ludt2 h*:ms05f)yro f4fzclotella litoralis. What is the actudg+ wfsst r q0:u9f*or)4 wh5ilzi(p4n0mf 2 yal diameter of the cell in this image?

  The electron microgrori ou3x-s)i; aph shows an animal cell.

  The electron micrograph shows a sarcomere, the sm7 6fpdc/erb x pxu-;3oallest functional unit of striated muscle tissue. What is the actual length between the tpurepf-7b ;co d6x3x/wo Z lines?

  Which organelle is formed by a vesicle derived from the cell m) voak;m6y/ qsembrane?

  Which organism contains DNA inlmtu; 48re- pt exactly two different organelles?

1.Outline one way unp .4oz9rvxzfs:p3 hu x hyh ig5g+48g0icellular organisms can carry out each of nutrition, movement and 4yxsf 9v8rhg:o43uz5 h 0g.x ph+pzgi 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 the two cel)tfukm05sm *c2vv y/z l types shown in ts)mkcu/zy25f0t*mv vhe images?