Which statement about eukaryotic cells is correcslj(0c ko6+g g2 :oiqdt?

  Which are common features (ae ry1g6fp 6tof bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is show*9k/0f0n er-k yy lnsen in the image?

  Which statement(s) about the endosymbiotic theory is true? 1t1x*sgq jog+r (c.)/yaeiad
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 from the sq.9ptyc kw.8mo .rymvz,h)iftc 8) 7q ame population of cells?9qz my)fw 8k8cpoqty i.trc,)v h.. m7

  These photographs show the same section of a human retina. What is the reu;xyg0 -ex8 3 hg,zcduason for the difference between the two diag0hgc -;,egx dx38 uuyzrams?

  Paramecium produces p-26 yj8ln t0rqap s*henzymes that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated i6p2t rypaq js- n0*8hln this situation?

  What do the two labelled organelles have in com)u0o.wvx :*4o8s-c)uy qf ynox ( olckmon?

  Which organelle has a double memb3nm7ys/6bpxq yl(y+t0i a nq 8ywz;avl*y6)i rane?

  Which row in the table correctly identifies structures which are present ;0f w0 rcrjmw:(✓) or ab m0w 0wfjr:;rcsent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double mxner98nq,unqgn l*b 36q,fo58e 8i dkembrane?

  
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 ri ba*(3oikq: k kx+gg2k (jtj+k60yzstructure 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 n.0xcfdmrk y;1r (3 6zake;swthe Golgi apparatus?

  Which statement(s) abo k*v lft/ 11cdpphdt4,7wmf p)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 mvo4xe8*.e o w0n :ohxw jz61enicrograph 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 E. coli cxp4ucz ) cky9(-qvw*fells.


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 prokp )s6 uag/gddv1 6e;pvaryotic cells?

  Mesophyll cells are found in plants. Plant cells haven 0fvsa wtgs3ne dcr -up+7e x),+7d3r unique characteristics that distinguish +dr sne+vsc-7uw33er7x angt,0)dfp them from 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 through a leal- q3x6u*93g 10fclhmby-gpo hd;jlnf.



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 chro6.qq qk1wot; omosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photoon d/( .rqdq;ksynthesis. Which structural feature is cr. do kqq;n(d/ommon to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbio 0csg/9u, )l jvtnze7jtic theory?

  Which part of the cell is )d2- c7e tj3luk3cbb hxqb)l 5labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic jzdcdli7 *xz e92dj),.aua t9 theory?

  The micrograph shows an image of a plant cell taken with a mj5v..v rpx 1tk(;k8 bfn/keuudz7 z 3light 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 micrograp/ ,xff ec ;ezmqu 3fu04fk*,vhh below shows a cell of the bacterium Vibrio cholerae. Which of the0f/f,z xeqe f3h v u*k;,c4umf labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of bv8 xnzb9c2c 0mitochondria as a eukaryotic cell organen8 z9bcvx 0c2blle?

  Which organelle is the site of7t sx (:t:f4umec 1k,o- tuxcv protein synthesis?

The diagram below shows a cyanobacterium,e y+2+7akqit/kwfd +h 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 whose9qk4 + (px t es72cv03ab+ihhuexg cx-ntky3- structure provides evidence for t-cx+4hv2y7nap0 u 3eic+h kebqxkx3t-9ts (g he 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 organisms arzuce ,5u, ce6je correct?

Below is a diagram of a motor neu.(* 6gu( meesk7 shq,ed zm.dpron. Neurons are the longest cells in the human bo(q(u g*ed kpme7hs m..dze,6sdy.



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 panyfy8g kyd3: 2qcreas cell. Which of the labelled structures is responsible for the production of vesicles f dyg38qy2kyf :or exocytosis?

All organisms contain genetic material. The type, quankyhnf()d:w l5u/rvt 2c/*ux mtity and location of genetic materiakl:5/( v 2ctdym/hfn )*rxuuw l 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 chlorop2igw3aqsgx/q/ caphh ; f7.w+uqd 2t 8s7;ktolasts and mitochondria support the endosymbiotic theqwf7g.updtx+2i q s/hqw3 /;2at c8shgoka; 7ory?

1.Outline the steps i/ebq )2w8r4jw trmjq5 n calculating 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 showsyraq 2.fskjuxb38j 5 + 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 carbohydratt+0ut ml6 kf*mes. Which characteristics would you expect to observe in such cm+k tt6 ufl0m*ells?

The diagram below shows a cy k0k)ib3i(c well.

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 mitochondria an/ 0 x4w 1skwk1qart:rvd prokaryotes?

  What is the correct magnifi8mdorg pepd//p7wlo;v95tky p. iq -8cation of this image?

  Which characteristic is not true for both f+h ;nz.gqy t5gn-bv; mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What isuo0d p y3,q61hn0kh ux thekhq p1u,0ynd0x3u6 ho actual diameter of the cell in this image?

  The electron microgrz;b6b wml7knd; 4g6zkaph shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest fun2-( s*j(bji uc8o,on5j cuarq ctional unit of stria-b*2u8cojjcqo 5(i rj,a(un sted muscle tissue. What is the actual length between the two Z lines?

  Which organelle is forme0p: de/dmjvs .d by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two differen:t+b) +b.dogxjzi kx +t organelles?

1.Outline one way unicellular organisms can carry out each:/vo,mfg um;q)du b: hdl61sp of nutrition, movement and excretion. )ob;ud,6hpq 1ulmd gm:s: /v f

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 fu*azv h5u-ey,*8 w- ztsvn 1lzkngal hyphae and striated muscle from the two cell tyw *avsu*5zz--e l1v yt,8nzkhpes shown in the images?