Which statement aboutnf oj(awo hq5i: ah f-te5uo)1. :.dlh eukaryotic cells is correct?

  Which are common features of ba-cub5xs5 rcj2mwx6* rcterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the il9hip)e tz* n7lol5z6xag 2 e3mage?

  Which statement(s) about the endoeb d:9x n0phwn x +:/qoo:;qvdsymbiotic 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 evol)+g0yy :.p0khsivqj t*sp m c3ved from the same population of j3) 0ykiqh s:+pm*v .0gstycpcells?

  These photographs sh;ptdfsuru km s;2u9,.ow the same section of a human retina. What is the reason fo2k.pm;t9s rsd,uuf u ;r the difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemic/ixh48 mtt0,ve sukovs jb65 ,al reactions taking place in the cytoplasm. What sx6vmv sit40 k5/oh, ,uteb8j function of life is demonstrated in this situation?

  What do the two labelled organelles have in common7ptfx 9vh g2eq- gji+j yt+43v?

  Which organelle has a double m uc5e8k/dmah/ i1(qxmembrane?

  Which row in the table correctly identifies structures which are present5nn/gp d0zrr3a)aq0u (✓) or absent (×) in prokaryotic and euka0dn upar) q50rzn g/a3ryotic cells?

  Which structure found -sm,2 jss) yn(omf7a ain 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 are true about the stce:x7i4d(g zn qdq48m ,x o0vxructure 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 td8qr-fe c q vcs0p y)xo1jb4 kr;bf074he Golgi apparatus?

  Which statement(s) about cell structure is/are 5n x+uyex0z3i 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 bo3,98qecc;x bbtgi :;j/xdf micrograph 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 cexi sh kv8a0f6;.1fo ; ek*7bpf0xptpells.


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/vc gen ci.5rjsz437 z prokaryotic cells?

  Mesophyll cells are found in planw06 n0uuurt-wvrch o 26rcw+d6cj+w; ts. Plant cells have unique characteristics that2jt c0uwochu; r- +uvd+666rw0wcnrw distinguish 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 leaf. c/58kc7lblk ).ushy 7m p(cvj



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 chromo s6an7jmqw a ytn.ayyd+*2+ x1somes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform phot3*gw k17 c*pumf2mgym z3m* vxosynthesis. Which structural feature is f7*xmk*2gm wzpmg 3ymv*3 1c ucommon to both cyanobacteria and plant cells?

  Which statement provides evidence for the endogbb9by9 eim)c.x;q,snf, i . rsymbiotic theory?

  Which part of the cell is labell/ns9,fo zfzn .ed with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic thnae8 hdxs: zzo;)6un 5qf 6/eoeory?

  The micrograph shows an image of a plant cell taken with a light microsczppnf / *k2hg98 rda6lnvtu 20( waxa;ope.

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 chro74v9a ynu2hlgx(on j ,eb() olerae. Which of the labelled structures maintains the cell’s shape and pvn,jebua(4()lny7 9 r2o xgohrotects the cell from lysing during osmosis?

  Which process is most lsf3 7nto h,fm9wc6n 84/ dirobpyb1w+ikely responsible for the origin of mitochondria as a eukaryotic cell organellesoo6yfd r+t7/ hib ,wnnb1mwf3 pc849?

  Which organelle is the site of protein s o zmy.f0lg0)synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongaiey,u j0)hh+ jtus.

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 structoz i2yfu241x8 ix68on2yf umuure provides evidence for the enf82 2n84 of6ux oyiui2x1myzu dosymbiotic 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 are zj* l tri(i/10itvd4a correct?

Below is a diagram of a motor neuron. f3bnqf 1e8 )wjot1 +vfNeurons are the longest cells in the human body. 1qvtwf nb1 e3o8ffj)+



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 7 l.9n mqduhh;exocrine pancreas cell. Which of the labelled structures is responsible fnl h;7 m9.dquhor the production of vesicles for exocytosis?

All organisms contain genetic b8 14qp5viz xxp, 9sivmaterial. The type, quantity and location of genetic material differ between kingdo 5z9,v8 spibixp1 q4xvms 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 support the endosymbiotvnm h.wk64m ;mr(3 zxmic theormk3xwzhm;mn.6 ( 4rvm y?

1.Outline the steps in calculating the magnification of n/q,dg)mv (ss;vc y+h 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 cel;h;-bamw+e bxd :6(bq sv br4dl.


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 amounte8r6*c q,(rf/d bhsads of carbohydrates. Which characteristics would you expect to observe *,h b 8sfdc6r/aq(e drin such cells?

The diagram below shows a cell. (jgn1uo7bm g3

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 mitochon40 qi*cmndnw :4tko: vdria and prokaryotes?

  What is the correct magnification of this imag90x-jiy5 j bupe?

  Which characteristic is not true for both mit;t zm6 oobtp41ochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. W6:wsrl xr m nz96,:rkghat is the actual diameter of thex k:6lms69r :,rrnz gw cell in this image?

  The electron micrograph shows an animal c*kwr08ven 0 tqxfv(k+ ell.

  The electron micrograph shmu:8vzn h7ib ,ows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual leng i7:z,uhvbnm8th between the two Z lines?

  Which organelle is formed by a kp ee d)x6tx :6.;chlb lfog48vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organe4n0s pw,4 +xox apsaa(lles?

1.Outline one way undyhhcte82 6+ xicellular organisms can carry out each of nutrition, movemen2e cxthh+6 dy8t and 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 distinguishes fungal hypho1o3+oadug+ n gy8r/j ae and striated muscle from the two cell types shoo on8gd1u/++jgry oa3wn in the images?