Which statement about eukaryotic ce(mr/+ n,)kb- tyoof rills is correct?

  Which are common features o/nch9/wfsmi j+ 0.mutf bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the im 73 io*8oes-wrwayzs)*h (tw *v4miknage?

  Which statement(s) about gjnuh*, hj 0l9the 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 life on Earth evolved finezb/ o(cd -n.f; n7from the same population of cells?.n fnoi/7b n;cef(d -z

  These photographs show the same section of a huwbm8o*bqgrts54n4v 3 man retina. What is the reason for the differen3qmwgntbo 4v58s4b*r ce between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions.n86m bqzcf ;ail (dok:3fza/ taking place in the cytoplasm. What function of life is demonstrated in this si:lf3zb;.n zdai kmq8foc/ (6a tuation?

  What do the two labelled oz bfi-i 3:4ymcrganelles have in common?

  Which organelle has a ddk(hb *0xpn c w)yg68jouble membrane?

  Which row in the table correctly identifiesu37rj w-3t faq structures which are present (✓) or absent (×) in uf33t 7q-awrj prokaryotic and eukaryotic cells?

  Which structure foundzkeyvotk;nff2 wl7y e ,s(. rmmy4--8 in 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 arz -6n1w9k f 2p2zs4yc fz1l-iyq suvv9e true about 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 the Gol v3dm zots)7 d)3jyf7dgi apparatus?

  Which statement(s) about cell s lqpulrl49;2 3t8xctctructure 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 ofj *x/u*1 v)sl; qqg qq8-pgurqm-bng5 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 sho4dejqo,+zxf gqy.q7+ws 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 bucq3 if()6z)g3 0/gfbo zsfiioth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells+ls )7-2novv:we8 uexaf zsa8 have unique characteristics that distinguish them from any other cell typwv7oel+ as8- un)8 x2:vszfa ee.

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 leaf.l rc2,3lyw 7my



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 dsob 7 bqm+/vrvl /+7-srvnd m8escribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesij-*qo r4jx6ejc* ,dtsnirz6 )jds 0*s s. Which structural feature is common to both cyanobacteria and plant ssjdtjeij xz-qns4o0*6j)rd* ,6r * c cells?

  Which statement provides ebg +hn-d05gync s9t9c;z8hjtvidence for the endosymbiotic theory?

  Which part of the cell is labelle sgb; r.9pb2lx ,beudm21m khe1z.i6d d with the letter P?

  What feature of chloroplasts provides evidence for the endosyw-vx8gd 6 p(onh ma8+vmbiotic theory?

  The micrograph shows an image ofvi3v**ay o/nb3kx) l i 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 below shows a cell of the bacterium Vibrio cholerae. yh.s 1;lu2dhhhmy)8dWhich of the labelled structures maintains the cell’s shape and protectsy h1y.)lsm8uhhd2h; d the cell from lysing during osmosis?

  Which process is most likely responsible for the origin ofp3) -xkg c9nzc2fms(l mitochondria as a eukaryotic cell organelle-k3s9 m2czp l )gnfc(x?

  Which organelle is the site of protein synthgy0(6nhs/p oud/7s akesis?

The diagram below shows a cyanobacterium, Synechococcus elongcng uxf + foz0q9go +ur+4)bk0xe5/s catus.

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 figdr r4dl 6 08pwxq4c. futy;cu)ure below whose structure provides evidence for the dy 8trr dc0).qcp4f6 uw;ulx4endosymbiotic 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 organis 5kqnm.pk r74cms are correct?

Below is a diagram of a motor 8hpt9-xjrbp,2vtc 4 s neuron. Neurons are the longest cells in the human bodt 9p8 ,c tp4j-2bxhsrvy.



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 pancr)375ogvix, ;iaa lcrai2lk .seas cell. Which of the labelledi75k co)l3ai. r2lgv aasxi;, structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The typ k ywz347o0 whif.d3cks9wabuh3d5z0e, quantity and location of genetic material differ between kingdoms and specw3dkk9 5 fidz 4.o hh30w7zw 3saybuc0ies.

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 endoz. azm2wq:p8 gsymbiotic th zz .a2q8mgwp:eory?

1.Outline the steps in calculating the magnificati6/mqupcar/uefs *--0dk ; zge9) ynbbon 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 al5x.b)vc 1w ;v( vbfby 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 carbohydratesp xsed)68h0pp. Which character ehps60p8x) dpistics would you expect to observe in such cells?

The diagram below sho3)h .9uhmco2hfd xb 3qws 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 both mitochondria and prokaryotes? uv+xqj86zb2 (i rmu+az3p,my

  What is the correct magnificatio.t xj:. k kc8) zwdl0ve4hilc (zk/+ryn of this image?

  Which characteristic is no 1p0:gik11nqy kzw *zbt true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cplo uqtx0;7lu5ny0c) fn 2.u pyclotella litoralis. What is the2uncut7.0 op 5 )fup0 qylln;x actual diameter of the cell in this image?

  The electron micrograph shows an animal9j0wdsd8o5uht j z6w, cell.

  The electron micrograph shows a sarcomere, the smallest fu3y e /,v6zjbbc) xn*63udv iatnctional unit of striated muscle tissue. What is the actual length between the tjnuvt*xe36,bb )/v6y3c iad zwo Z lines?

  Which organelle is formed by a vesicle derived from the cell -ua5 : a;ga0eeg*dvcmmembrane?

  Which organism contains DNA in exact)ojd,y8 2nuhwly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, moved,6piqs:3+p jfo 34apw o0sdg ment qgao:p wdp,3 3s sp6d04j +iofand excretion.

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 distinguirac4; we*wzp4r-di 3jshes fungal hyphae and striated muscle from the two cell types sho*ewrj rp c4wz-4a;d3i wn in the images?