Which statement about eukaryoti9msxa 3 aa)nv+c cells is correct?

  Which are common features of bactj1h-o : xuccc4m71yi uerial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown td bdd9 eri54cha0xxv 1y t9*(in the image?

  Which statement(s) about the endosymbi1 gxor/( ,ygxdfhc94,gm 6 emyotic 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 from the same powv:rts99m4w:xcta ; ypulation of w4 xsa9yw9c:;ttm : vrcells?

  These photographs show the same section of ik r4if 14uzl xr-65q jh-4qqxa human retina. What is the reason for the difference be41 i 4qx r4ik6- jh-qzl5qxruftween the two diagrams?

  Paramecium produces enzymesdaz/jq05 lv p+ that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this sitzp0 +v /qdl5jauation?

  What do the two labelled organlp3k)x n;aeq lj80wu-elles have in common?

  Which organelle has a double me/pqp5m )dq3fumbrane?

  Which row in the table correctly identifies stru5g7 f mt7vht-zctures which are present (✓) or absent (×) in prokaryotic and eukaryotihgvfm7-5ztt 7c cells?

  Which structure found in a eukaryote has a double membjb kx4 j)bd*ti.y1qa0rane?

  
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 stru*u 8wih-rn /vxcture 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 funcz 6rdon i2q/)s30f fldtion of the Golgi apparatus?

  Which statement(s) about cell stru8e:g 0xw6tyimsi7 l. ip+n fy3cture 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 iu7gnpc32ep 6uz6lt;m wm7 +p(m-xchmicrograph 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 s;kfpe x9h ,q/ohows 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 eukarykst(o2q5az/c otic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells h)xi alh)8ug t)07pr wsave unique characteristics that distinguish them from any sxtpu08 wh)gr) ai)l7other 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 througq)::u / wuhz,xdylo x* ukrb(;h 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 t;k g/wessdd*;he DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Whi gm,m t3tqtpyro1 /k -03zyeq7ch structural feature is common to both cy0 /-3t1ytpmz er y q73qmo,kgtanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotev+pdwbz b )d08 tp,y2ic theory?

  Which part of the cell is labelled with gif 2 k1k5b8)fjkn*zr the letter P?

  What feature of chlorop85 xlbee3c2hplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image ofhy+v.uetc l8x)cbuht du:l.-rd(w(en+l h 1 6 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.tn3elyp+pu2p21 2ta uig2e7o Which of the labelled structures maintains the cell’s shape and propanyo2e 3ppt2it +e212lg 7u utects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of+:l (5qa tnabes5h bir)k1k l0 mitochondria as a eukaryotic cklnb ql1 5 ab+r:5te)sa0khi(ell organelle?

  Which organelle is the site of 7e f2 +p):pz tqeb0yamwqx0b-.2qkqhprotein synthesis?

The diagram below shows/ktljuux h 6n)vw)8fn jmws:h.o*/k2 a cyanobacterium, 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 visibl0, (op -mtyqsg:a zf3we in the figure below whose structure provides evidence for the endosymbiotic theorypyag(q w,-ft 03 :mosz.
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 correct6 ;raqj6a*b sq?

Below is a diagram ozlg8,:mr0c c; u )mgim5ure5 o6aas+ .y)gian f a motor neuron. Neurons are the longest cells in the human b zi)5g. )a,er;y:ul6sg5mcm0 c+arga nui8 om ody.



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 pancreasfo il,o66*wld cell. Which of the labelled structures is responsible for iw ,l6*ol6fdo the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locatio -;w qsr9ldh2hip2*pnu p(q. a/bv81b ;hxg ftn of genetic material differ between kingdoms p(sg;npl*h2fb ar vp1- 8wqxb h uh/d2t.iq9; 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 mitochond:anrh3m)eo /n ria support the endosymbiotic thra/en)3 hnom :eory?

1.Outline the steps in calculating the magnification of a mic-9* heafkqiq :rograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows a cd ufj-at ,t1m-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 cellsewl8g05( wy1gg4by3 z1r sjup produce and release large amounts of carbohydrates. Which characteristics w j4yzw0 s g5p1ew8l yr1g3u(gbould you expect to observe in such cells?

The diagram below shows a cel+u2,shl 9amr;g-j2g9mcfif y 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 qh17s5j 07dvewm *,q,aazasq mitochondria and prokaryotes?

  What is the correct magn5h cw l117d* ;tbpmf-umdpv.x ification of this image?

  Which characteristic is not true for both mitochondria an7 b1hu5nnz. dys0 s)xwd chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litora2:ob/r e)hrpa lis. What is the actualo)ap2r/be:r h diameter of the cell in this image?

  The electron micrograph shows anbgel z*08adr-o +k;nm animal cell.

  The electron micrograpc mhvd1.9hy 8rh shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual l y8h.1rcvd h9mength between the two Z lines?

  Which organelle is formed by a vesicle deuuc65c aq5* aprived from the cell membrane?

  Which organism contains DNA in exactly two diffw3f2vfc. :6t h:ahsouerent organelles?

1.Outline one way unicellular organisms can car o pmhao28)h+wry out each of nutrition, movement and excrem8a h)pw2oh +otion.

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 hypmlfh6 cg732w/yso t 2i7kp0v3re7iwf hae and striated muscle from the two cell types shown in the iri c37 0kv/ igl2wh3fsfto 7myp627ew mages?