Which statement about e mc.v)(a/zhd*c +edgr ik+fs.ukaryotic cells is correct?

  Which are common featur8i(/ uqm7stek,ui : lves of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the ia8ke(ry5 znq )mage?

  Which statement(s) aboutywfl9r++)7,cgv fvqy j 6 rkn/ 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 rkx/0 :bu)86 zus8rzfdf jeo9life on Earth evolved from the same population of 8s f ruu9xzr0/)8d j:ozfb6ekcells?

  These photographs show the same section of a human retina. What6kw u uwn b/ierz/:tyl h:+6u7 is the reason for the differenci+6btuwre/:uhyzuk / 67nl :we between the two diagrams?

  Paramecium produces enzymes that catuqg9d2 jvq9b57hi b,nalyse different chemical reactions taking place in the cytoplasm. What 9hu952q v bnj7b,diqgfunction of life is demonstrated in this situation?

  What do the two label* * hsvmfx),usled organelles have in common?

  Which organelle has 2 *eiqo-d-m.idrqt )9+ qd kwspzg8+fi5u+ fua double membrane?

  Which row in the table cgffp64gkjk 88 zr; 0j-ll u4nborrectly identifies structures which are present (✓) or a-k4zl;8 nk0f 4fug g 8lp6jbrjbsent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote haagi8bw19 g ;hes 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 a b fl(0o 3csxh -sfhd8e;.g-ju,*vs(4i fkngm bout 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 the2,xmtwzwmy*+ry;x * n Golgi apparatus?

  Which statement(s) about cell str3odnuq x77ygf 7-9h)na 4elfructure 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 micoh( w)zyycjl5qpx. g7c c81gtu+wf;,rograph 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 wz9 u-iabr (e3shows 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 eukaryots e1wj*rft:2 ( e1ytpyic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant celaqy vb qxq u4.7:1k(ipt+/i psls have unique characteristics that distinguish them from any other cell tyti 7+q4pvkx/ 1ui ap.(bqs:qype.

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

  The micrograph shows a transvers sukhlg ; crdv(u6(-(oe 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 DNA and chromosomes of bacterias us4fg fy7y70(6 corxl cells?

  Cyanobacteria are prokaryotes that can per/zmwuys*) uy4qmcq-q f p,:viml30 y7form photosynthesis. Which structural feature is common to both m mu4f) ylw*c,s7:uqmqy-y vi0 p qz/3cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic t1908j smy6vm+ hb-eo*lk1tzfmao z -iheory?

  Which part of the cell iyb) db fo,tv2-(ancry7i,k)8v7nw pvs labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbioti -pk2w, 5-iasy-aqzmmc theory?

  The micrograph shows an image of 9/hgvaz mudj 57,bu;v c6quh) 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 belosp knq aqqh8-gnv60 r9;fia 97w shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects 7qsh r6f k 9pnngqav;80qa9- ithe cell from lysing during osmosis?

  Which process is most likely responsi :1j :mf .-gpiz mjwab4.sh;tqble for the origin of mitochondria as a eukaryotic c:itaf p. : 4jqmw.mgzhj-b;s1ell organelle?

  Which organelle is the site of prgben 1 abze489otein synthesis?

The diagram below shows a cyanobacteriyqp*- 0dy aq m xs)i*gyp86v2xum, 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 f6 ) epk5menls(oct98 cigure below whose structure provides evidence for the endos ecp oe6nlc ms8kt)59(ymbiotic 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 organisc* g23*i4 dm-aqe-v wdhjzi0 xms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cell1ftu w(-1r.qtkrld0 ns in the human t0 urw d1t1f.q-n(klr body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron zmuz +px7 mou +r/l+ek/o(j(n micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for ex+ j /np+7+( mou/u(roxzke lzmocytosis?

All organisms contain genetic matyv73b nc 2v4ererial. The type, quantity and location of genetic material differ bee4rv 7y n2bc3vtween 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 9-h gxs(g5fol and mitochondria support the endosymbiotic th(o5 glfxg-sh9 eory?

1.Outline the steps in calculating tkw6)oswk13 fpip2zx5 he 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 shows a c9od ;hq-yer2u ell.


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.-va eq-1j1lo0nx ;rpjc-; yv k Which characteristics would you expect to o- q01-xe;jkacvvoj1 ;py-r l nbserve in such cells?

The diagram below shows a cell. yywddkj-z96( bct :-l

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 mitochondriais wgle7 2(1t a14igk7 ihegg9 and prokaryotes?

  What is the correct magnifi w+y*n6lgui/mr j o.+w;cby0ecation of this image?

  Which characteristic is not true for both mitochondria and chloroplastw xk5sj;gl4 1vdc3 m5nd5zbylj:lr2. s?

  The electron micrograph shows a prokaryotic cell, Cyclh 9k : yk/mosa1rx6;qywzl34j otella litoralis. What is the actual diameter of the cell in t 1k: skjylq4owh9; zmay/6x3r his image?

  The electron micrograph shows u* 1u6oqd x hr9(rt:kjan animal cell.

  The electron micrograph shows ah 2r.mo1brakwoamy8) n 5c5(p sarcomere, the smallest functional unit of striated muscle w58kprb(ra51 )n2mayco m.ho tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the 1yqcr k1ypf2 ;99bqz( uixp( zcell membrane?

  Which organism contains DNpn i*nw:h 61xbwpq6xa+)1bd aA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out each ofq b; xo48rx-hm nutrition, movement and excretion ;mr4hb8x- qxo.

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 a*xbv.w; eehdk+ zh 5,ils 88rthe two cell types shown in the imag;le8*dsz +ev85,ihrkbaxh w. es?