Which statement about eukaryotic cells fg wgv2ua 4s1m3ab(-eis correct?

  Which are common features of bag77 1.ev2g lxl pg/eiojp3d.hcterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the mz48mx;vzux) .ae /eoimage?

  Which statement(s) about the endosymbiij0vx pqiexrv /,+0u1otic 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 life on Earth evolved frodnh joa68 x7g1m the same population ofx 8o6n 7jhgd1a cells?

  These photographs show the same section of a human retina. What is the reasofl /4 o4sa;luby4n6h xg-h lj0n for the differenceb/4lfun j 4;l 4-gxoa6l0hsyh between the two diagrams?

  Paramecium produces enzymes that cata*)dci/g/krj. t(sd gf lyse different chemical reactions taking place in the cytoplasm. What functt */.idkj(grfcd)g/sion of life is demonstrated in this situation?

  What do the two labelled organelles harj q7ludpaj(u -j 92x8ve in common?

  Which organelle has a double membrwj hn w:2x buvoko;,,q*5rsv.ane?

  Which row in the table correctly identifies structures whics+ bt;krdry,7 h are present (✓) or absent (×) in prokaryotic and eukaryotictky,rrd 7;+ sb cells?

  Which structure found in a eukaryotzw wonuirw7o,(/r/:b20 buat- yns b3 e 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 structure of cells? 8ya kx:;,4f by+tmxbz ln4f+ jqyje4 9
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 a .pml(t.+ yf)a)rtbyty t)g+ epparatus?

  Which statement(s) about cell structure is/are not h:c,:se)c8l vl x 5e 28jgrzzztrue?

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 of blood.ei *ofx b6ge q j5o/s3 94st9evvny3 5xnt0(tc


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 q;wixto/. ;tdshows 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 eu q id vk9w-v:6j jz.2kogu:.qokaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cel msa9m30edf (kls have unique characteristics that distin(e9km 0ms3dafguish 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 sectioflic tyv04/ 2t7p*yrn n 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 bacteri,qg w. nn0fr:yz ktqdl4x 045oal cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which sth+ cyap mq:vi )*-t+c qg0(hvtructural feature is common *hq: -g(ct a +yvi)vpmcht0q +to both cyanobacteria and plant cells?

  Which statement provides evidence for thetsomfack5 q tk9wdyt8 1c f24l+0ymnv 5b5;n- endosymbiotic theory?

  Which part of the ceuusi)tm5e z:6;*vmigfb8 5o: xnd*kj63lve lll is labelled with the letter P?

  What feature of chloroplasts provides evidence for the endwfcmn90n 9h( yosymbiotic theory?

  The micrograph shows an image of a plant cell taken 4;ak +feofu yj)l:c3 hs*d dq br5.n5jwith 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 bactpr1g a t4tmg*hzjg;x357dc ky/3z5 shmcv :6herium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lk mz1t hhg3*; 5 5hpv3m:6stcg jc /4gdx7razyysing during osmosis?

  Which process is most likely responsible for the origin o uhzp4qg+5;9v xg3qmgf mitochondria as a eukaryotic cell or;4qq xpu59 3mvz gghg+ganelle?

  Which organelle is the site rum-f2qyc t(pn( elpc.:k;ol4/* ltrof protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus.w b-fi,w .h6bl

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 vi e)ug ja7epe+1sible in the figure below whose structure provides evidence foge1ueej7p) +ar 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 multicn a;ip0f+pt1 eellular organisms are correct?

Below is a diagram of a motor neudf rx74w hwp*8dkl53ovt) 4cz ron. Neurons are the longest cells in the human body. kx8d *h3l o4)frpcvt w 7z45dw



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 exocn7lqy tgmu2/4 x9dyr;s0wj8a rine pancreas cell. Which of the labelled structures is responsiby2nq4a; 9dt0 srjw/ymgl 87uxle for the production of vesicles for exocytosis?

All organisms contain genetic material. The 1:3mja0nho6ya s qmfk7m5aq :type, quantity and location of genetic material differ between k:jka: m6ayqm710qam3n fsh 5oingdoms 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 a1o1o)8 hpcwvsupport the endosymbiotic theoro1vo81c h pa)wy?

1.Outline the steps in calculating the magnificimp1334uq3qjk : +cgfvbog *c ation 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 ce u7/wi x/gblok1 :6nxlll.


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 amo6caa vpv .p( bf ed8ccqp413jeh:d)4 kunts of carbohydrates. Which characteristics would you expect to observcfcj( e) p:4p 6kd48dhb 3pc.vqae1vae in such cells?

The diagram below shows a tb .ameh apq2t9t825hcell.

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 and prokar d7e d19*lddrltg+nh1yotes?

  What is the correct ) t w.(wl+ 8ym nuug: 7a:djd0mmphdyg0-(hn gmagnification of this image?

  Which characteristic is not true for both mitochondria and chloroplf1g0 ph2vy*mu/ *fx seasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Whaqym,fx4z(sxdu+tk z2zt 0ooxq9y2,5,l aj.c t is the actual diameter of the ce0tjl2xzf k,(c9q2y , zt5 m4qxz so,xu+dao.yll in this image?

  The electron micrographhs.jixk-b 0/aao,n 5t shows an animal cell.

  The electron micrograph shows a sarcuhf+. z 19bi m(-tyxhqwh)lnigy+.i;omere, the smallest functional unit of striated 9it.gy whmy)qh+h z;+-xifilbn. u 1(muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell nor jnp (i6yn2r7x/c) membrane?

  Which organism contains DNA in exactly two diffwevxm z7(x,0l f*y ke7cx be;1erent organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, movekfhj- g5:vyk2ment and v2jgk5y -fh: kexcretion.

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 striai5p n0 mk84aj;5ftpkq ted muscle from the two cell types show5 fpiqk nja40;p mk5t8n in the images?