Which statement about eukaryotic cel.3 nvyh5al 9mfzl) kt-ls is correct?

  Which are common features of bacterial cells gx: m57oq1m:xg7glj0f h* y4 hxm8imo?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown e8,tgmo 711qy2hl ujli po0 ll+/jm/nin the image?

  Which statement(s) about +sgxi l/f*.ixthe 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 f5*lx zsomq,2all life on Earth evolved from the same population of mzqfx o5l 2*,scells?

  These photographs show the same section of a hubee-n2 , ww/evman retina. What is the reason for the difference between te-ev/2,ewn wb he two diagrams?

  Paramecium produces enzymesojhuglm. k2+)q:q5eo that catalyse different chemical reactions taking place in the cytoplasm. What function of lifmgq5.+keljuoh:) oq2 e is demonstrated in this situation?

  What do the two labelled organelles have in nsefrf: b b-ybi8py1j6a q(6 4common?

  Which organelle has a doubl i/4pfs j*js)ye membrane?

  Which row in the table correctly identifies structures which are prese).c p;hp;6h8mzi io zmnt (✓) or absent (×) in prokaryotic a 6 8);p;pmimoizh hcz.nd eukaryotic cells?

  Which structure found in a eukaryote has a double membran. 20ql/ma vq+k3/ck kamh m2yoe?

  
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 structure of1 9wi 89etwy pq-df.*ud3flmr 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 x3yvo f86sr l+)8 9k ldfmka5pnot a function of the Golgi apparatus?

  Which statement(s) abo6+le5akm bwu(ut cell 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 8+xmtrml2hk wz / zs30micrograph 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 showr6:cijl1 c zgxs23gtun6uw15 s 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 eukaryotic and prokaryotic cellk8obzq . qq7(xk h6dw+s?

  Mesophyll cells are found in plants. Plant cell jj1ei4hm4 -/a9 zozlvq/xh)j i iw76 xo,4zjns have unique characteristics that distinguish them from any other cell typemhx /9o6iji)/h-j ,7v4ezl4noqix14 jz wazj.

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 ij6nda t:z5 f5a 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 describ g*sy+yq(ak(g1son h2z9* u eses the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photo2c vhv tzx15jb;d9nr;synthesis. Which structural 5tv nzbvh1 xrd9;;2jc feature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the q7lg/d :bma.*irrn8kw t21xl endosymbiotic theory?

  Which part of the cemtzqkn+ *gqc6m--y3l ll is labelled with the letter P?

  What feature of chloroplasts providesg9lb5 h8rh yn,a5;:ph. qshdw evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscopxow:en c3/d6 ee.

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 cer.r i;s/vv5x, 0k svvbll of the bacterium Vibrio cholerae. Which of the labelled structures maint0rkb/xr ,v;5ssv vvi.ains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible foip t:vjg6x,gr;n8/ g sr the origin of mitochondria as a eukaryoti,gvtg;rpgi xns6 j8/ :c cell organelle?

  Which organelle is the site of protein synzqj *bp*o2f,li1aql)k:jpst4 z9s* rthesis?

The diagram below sh.ufp9 mw ltd9yc8;ao+ows a 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 fk5t y1890 crtd*2.sstq wbq wq v4bx2figure below whose structure provides evq*w 5vs8 ytfr29s1bxdt.02qwck 4qb tidence 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 multicellular ork0 shz.j(3gnq+j;yh2)k ozezganisms are correct?

Below is a diagram of a motor neuron. Neurons are the lesfswmt o g 1ri7p+eu-)3:8le2clv/oongest cells in the human boou s7 wp)er:l1v3 i ceof+g28mstle/-dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograp9 og tzts,c7z4/y4 xcrh shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for thzcg4t/,o ys7 t4rz9cxe production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locatq-m1ugx0q -jb 6f4qnt 9bv0sfion of genetic material differ between ktxqmsg nq4j f1v b-06ubfq-90ingdoms 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 supportw:t hm+lz6 zq3 the endosymbiotic theory?lm:thq6z 3 w+z

1.Outline the steps in calculati j 90jm30q-9xbpjx mting 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 sho 2 evz3,ymc f8armc2m*,( xaoows 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 am4z*7bkg l94 uwredyj4ounts of carbohydrates. Which characteristics wouldrzk4dwu *4 gylb94je7 you expect to observe in such cells?

The diagram below shows a2t lpvti mp)r) zf-t73 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 both e) cx(al)a;p z5;hxsemitochondria and prokaryotes?

  What is the correct magnification of this imazds6xz v :by-(4 ji,zfge?

  Which characteristic iswv.i *7c + 7rm 2xwktyow6bg,y not true for both mitochondria and chloroplasts?

  The electron micrograph sh7h8man3,h dbk ows a prokaryotic cell, Cyclotella litoralis. What is thbma, n8h3hdk7e actual diameter of the cell in this image?

  The electron micrograph shows an a7/ d-s+ aszekvl5c4wenimal cell.

  The electron micrograph yt9 /j9qhak,3 hys6qy shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the act,sh6y3 yjk/aytq qh99 ual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell mf07ru m(vhf0 xxynbf6;zy+6s embrane?

  Which organism contains DNA in exactly two different organeng4*nn floi 0pxx3 ;h0lles?

1.Outline one way unicellular organisms can carry out each of)d dxn-q / zr7vk4or64bk gx* :bkw,py nutrition, movement and exo7 k dpbb r446)q d,xwkg kyn/v:r-xz*cretion.

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 cb:7px*fnk8t*kh bmpit . rias*2*1 yuell types shown in the imagebkk px*nsh21tbaur8i7 *m*pt * yf:i.s?