Which statement about eukaryotic celssd ,8/ys 6iurls is correct?

  Which are common features o/k08spql3iy)pj + vh4 tq 6bwef bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shoutt: t-5k2aw aarnf*1wn in the image?

  Which statement(s) about the endosymbiotic theory isn /0sku7,rnvzqft v7+ 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 ollvssbk/g:1 b79eq:da* i+ix er nm)6 n Earth evolved from the same population of cele*dml71x e:r : kli qbisgvs)+nab96/ls?

  These photographs show the same section of a human retina. What is the reason10 nb h8kny,vpwa44d-dw8nfq for the difference between db fdn h84qa0yw k,pw48-v1n nthe two diagrams?

  Paramecium produces enzymes that catal*ccq 0wn7wa v+g/xc8x5;wwsu yse different chemical reactions taking place in the cytoplasm. What functiq;cv+875 cgwuxn*s0 a/xwwc won of life is demonstrated in this situation?

  What do the two labelledacl/srw5 p ye+.33kq)n j2mcq organelles have in common?

  Which organelle has aptw1 vkjj1bx7 u.e .a( double membrane?

  Which row in the table correctly identifies structures which are presd(w:;h)obzuj1 y *e-,r0joaw qi :dmf ent (✓) or absent (×) in prokamo uw:hrd ebw)yz fo (j1-d,a;: *q0jiryotic and eukaryotic cells?

  Which structure found in a eukaryote hb k(:e( t*6f5 l+ c0jzc;ajqgcebm5lpas 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 s 3-3c;i:d vzlqw;cxex bw r02htructure 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 the Golgi appar +bfxfv -s;lb8atus?

  Which statement(s) about cell structure4 2hz+cw bfkr1vl s0(s 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 gga 8ed jn) 9f1qcbfx7 ,yv)j9q+ q1fbmicrograph 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 cells.3fhkhbgbjn1 wv2(b+6


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 cell ((xfnczbwv z: t0k0w;s?

  Mesophyll cells are found in plants. Plant cells have ln qb( l6+ g2ryg3h;ffunique characteristics that distinguigqb3;r+ n6 (gflfhl2 ysh 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 : yzi9yn7 b(f9spw -hh.: igpithrough 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 bacterial cel :w;* dhl)nhqols?

  Cyanobacteria are prokaryotes that can perform photosynthesis.i lh1,p-,zbgot, .ju w+ozam. Which structural feature is common to both cyanobacteria and pl w-z1jbhp,l,m,to.+ua.oi z gant cells?

  Which statement provides evidence for the enrh ba15ci0d 2ydosymbiotic theory?

  Which part of the cell is labelled with the )e k 80ur+nqi lp9qaw6letter P?

  What feature of chloroplasts provides evide eue/nv 8 hsb,q9x12ef p1neiy(*b7shnce for the endosymbiotic theory?

  The micrograph shows an image of t hudfbxkj-wo+;-..b1o0n d(nets1 da 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 below shows a cell of the bacter 8 *b/lr5 gaegu sn,.ezs0awh8ium Vibrio cholerae. Which of the labelle b u gaegz. 80h,snrls/5*wa8ed structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin.a 1hlu7o .4a*9lynhkbn3 abt nen2j ,mv:e/p of mitochondria as a euka / tau:ea n v*h9japnknn ,blo31hem.yl27.4bryotic cell organelle?

  Which organelle is the site mi;vyuzy mgnc0, a6imn/4v, 8of protein synthesis?

The diagram below shows a cyanobacterium, yad; 3 ,e7yrknSynechococcus 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 whose structuren6ds5 m gy;u1fn6 nq-w provides evidenc w1 n6fd;6u-5ysn mqnge 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 multhgbw+g)qp) bis0 q4.bicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons ar h--: x :6mvjbz;swh07 rpxe.ep 7rrjie the longest cells in the human bodhmxrxp- :prrj.7-ev 0e; bi s7wj6zh :y.



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

2.Explain how life functions are performed by Paramecium.

  The following electro6 96jhze 1bmg,jvr q:1 s.wxesn micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles forswmhr6ebz v,:js1e1 x q.jg96 exocytosis?

All organisms contain genetic material. The type, quantity and locatiw/+u r)vj8k j1d 6fwloon of genetic material differ between kingdoms djvk l 1+68w)o /wjfurand 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 endosi -2n bf cm-w4g5f(*aht8y svdymbiotic theory?5 s-abi(nm t vf4hdy*cfw8-g2

1.Outline the steps .uu+lx *p-:vvk kc**:rxf ov bin 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 shx2 em.btlv8n )ows 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.p xmn2 hlqoi.8kn5+l ge pe8:6,ymte large amounts of carbohydrates. Which characteristics woe6n:e8ok,l xp8qm.5ihlme ypn t.g+2uld you expect to observe in such cells?

The diagram below showsy:jpkmq7xqv dk .io9a( m5(e- vv,d- g a 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 bl/41a p4:ax-xwt shjroth mitochondria and prokaryotes?

  What is the correct magnification of this imaoh nzu)3u8 ikimvl4*(ge?

  Which characteristic is not true for both mitochondria and chloroplasts?vb0ye6w 1j0f a6uft3 m

  The electron micrograppp6)yqvs(*q ph shows a prokaryotic cell, Cyclotella litoralis. What is theqpv*ys pp) 6(q actual diameter of the cell in this image?

  The electron micrograph shrhad23. -6l qkmidka;ows an animal cell.

  The electron micrograph jt2ooup,m(7 ;s ovbm1shows a sarcomere, the smallest functional unit of striated mu2 pm(vosojm;t,1 bo7 uscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from nkgn p)8c**i5zln pkis kcqd+vb bs(.0m1+ 1ethe cell membrane?

  Which organism contains DNA in exactly two different or8 myi6sr7k 8h k6vd,1izq hpk,ganelles?

1.Outline one way unicellih h1 fp*h*u :tna+0rzular organisms can carry out each of nutrition, movement and e0pu:hthz nr*if+1*h a xcretion.

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 distingui1t e hslf5 3.czu.s-rwshes fungal hyphae and striated muscle from the two cell types shown t .lueh3-wz1 rss.5cfin the images?