Which statement about eukaryotic cezoo(jyfmzwd i1 bq08:3 f0n6ulls is correct?

  Which are common features of bacterial cw ;ennk m;0 x(ilr*8qkells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imagi(f* eaak n4h)dq7-loe?

  Which statement(s) about theto; zxgc 61 v6+y0iypb 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 lif.eus z)m;igvraffet0*5 )d ik;zm3s+e on Earth evolved from the same population of c;iet a5 z 3))sgkf.imms;+rveu0fz* dells?

  These photographs show the same section of a human retina. What is the rea l*n ze;:01lst-dcs esson for the difference betwe0*d:sn-e ;z elc sstl1en the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions talauzjhs0+ hhp 94,3d6bj9q rfking place in the cytopl lhqhfp u93 0b694jz,had+rjs asm. What function of life is demonstrated in this situation?

  What do the two labelled organelles 5ogr:gjs k4d248s8rgl +v w-t4opcouhave in common?

  Which organelle has a double mezt+i*fpb 8 n:wtnl, ,hmbrane?

  Which row in the table correctly identifies structures which arepo.ayt)4 jglt ju/j9, present (✓) or absent (×) in prokaryo /.jg 4tj opajy)9tlu,tic and eukaryotic cells?

  Which structure found 9n(gjpbuy6f/ rh 2xleqs60 (bin 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 spc .i7a.fw+k v/rv:yc1hs( uotructure 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 followinb so 105wh*w;3j odbfqmup:7 bg is not a function of the Golgi apparatus?

  Which statement(s) abo cs 3l2y8283fjkvh smnut 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 micrograph ofeusrfs2/t6m)3o-9dz4sn t e e 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. colio3nkatiq*ns-/ v i 0q)3g53j lkq /wxb 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 eukaryod u;l37ltzpo(.kegtozs en;*, lk hk-b8*d- v tic and prokaryotic cells?

  Mesophyll cells are found in plants. Plk-3gy lt v6 2pnzd04acd,v2d want cells have unique characteristics that distinguish them fa6vyt v02g3 -pld zd,w2dn c4krom 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 transverse section throf2jmll pq::y9) d:s uaugh 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 descri5 *9(lqe tfi60 ggeeeibes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can x) tp4aa:d0uo perform photosynthesis. Which structural feature is common to both cyanobacteria and plant 0:paxo ud)t4 acells?

  Which statement provides evidence for the endosymbiotic)m ;ifh4+ wxwxsf zt31rg.jf2 theory?

  Which part of the cell iwg 5fg)i *qltnq/**oy7 xv -rys labelled with the letter P?

  What feature of chloroplasts provides ev4e mas: jln-byb0; hcy)c d34eidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light mioashl*8d9 9 zg(lyg5rh 5sbl /croscope.

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 bek6 x h iyy0be9f378eaqlow shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from89hxqky 0 iy6e3 fba7e lysing during osmosis?

  Which process is most likely responsibou3 /iren ( x 2j0p4en1ttga6fle for the origin of mitochondria as a eukaryotic cell x1tgf346nrt nj e2aio/ e(0puorganelle?

  Which organelle is tl4b ys wh2wj6 eh;9yyqid8h86he site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococd3( k.mfbrn)h cus 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 u+1qh(iw (gqf visible in the figure below whose structure provides evidence for the endosymbiotic the wg(iqf(+qh1uory.
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 organisms are correc;t5fl5 a6sou+ )zgeum t?

Below is a diagram of+fj8cnic7v afgh;m 2bkc- .d * a motor neuron. Neurons are the longest cells in the human bod cih b-f 2dnv+ *ack;fmj.c8g7y.



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 p vn,auhn9vv(sv 3v* 9mhbbwz6r90 h f5l; i7ljancreas cell. Which of the labelled structures is responsible for h0i5s wvb v;v(7lv9 mnb f j96az3 r*u,lhn9vhthe production of vesicles for exocytosis?

All organisms contain gezp1e7wp9-g7ls ( bhtg yxj m,.netic material. The type, quantity and location of genetic m9hm, 1 egtzp ply.7 gbjwx7-(saterial 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 chloroplasts and mitochondria support the endosy vu/cz2,m yh ll9c- r+gqa.fq+mbiotic theory?lq l,++crqav/gc 9 2y.mz h-fu

1.Outline the steps in calculating the magnification of a microgri g4 :o od.mjurl-s46maph.

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

  The diagram below shob,qos 8fcbp1s xz(ya 4q (,4fiws 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 rel 4r b i32/:f mdsbf*seon-i*csease large amounts of carbohydrates. Which character 2soeb*i3cbs id-: f/nmrs* f4istics would you expect to observe in such cells?

The diagram below shows a pi c8 h5s27fagcell.

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 mitochondndu5me feb0j9hz2d. a d) lo+4ria and prokaryotes?

  What is the correct mag2mh 0ba,wpm*lh3t+; 0bzbgfo v t8-tgnification of this image?

  Which characteristic is m9d 4y s 7jln zrc .(+jmu0y*l2zm:botnot true for both mitochondria and chloroplasts?

  The electron micrograph showit k fa8ltpij/2s1s2 +il7os /s a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in 2/78lf la +2sptsts1iii kjo/ this image?

  The electron micrograph shows an acsbb ctin.i8,ut 8n0h) klq)pm49 j 3bnimal cell.

  The electron micrograph shows a sarcomere, the smallest functional un p4/jo3xtyl6a8ya; pkit of striated muscle tissue. What is the actual length between the twypa8 /;x4j3plkyt 6aoo Z lines?

  Which organelle is formed by a vesicl onhh;d e;+0une derived from the cell membrane?

  Which organism contains DNA in exactly two diff*wa qrg6.ygkb, g 0)dderent organelles?

1.Outline one way unicellularvh kn4 ckawt1oi;:id l, :x za++x5ib. organisms can carry out each of nutrition, movement and exckwt; zi +ioc: xa i,:db. 5x1kln4+hvaretion.

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 kn-+) i1ojpcc( lk t-1w*lsrtwp;m -hthe two cell types showntp *ws--k1wr;j)o( l-1c nkl+ct hmp i in the images?