Which statement about eukaryotic cexybd8w44nvyeyw/l4p6-rr s y jv3g9 1lls is correct?

  Which are common features of bactere5-;dxepm +yo78x*tj1bhjeb ial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown inxtk5j5pu ; x .6eo4ibw the image?

  Which statement(s) about the endosymbiotic theory v0:alp53j 8f5vp cmun 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 populatirw ufw9iz86 u4on of c68uw4u9rw fz iells?

  These photographs show the same section of a human retina. Wy /7 ,ed1uhc4laxl1d )t5 cmkyhat is the reason for the difference bedc1yx k7mul 5t4hyla,/1de )ctween the two diagrams?

  Paramecium produces enzymes that catalyse different chemiud6mc eblo+-:cal reactions taking place in the cytoplasm. What function of life is demonstrated in this situatu:6meolc+ b d-ion?

  What do the two labelled organelles have in comm;ycjrt .uuu9+ g k8rx,on?

  Which organelle has a double membranelesfx a 7dlrhlbr ;(k7i3h (()?

  Which row in the table correctly identifies structures which areo2qm5e3 r )p3ca,fn1 hubou 0s present (✓) or absent (×) in prokaryotic and eukarphs nu)1f5 uoeb,q0 o233c armyotic cells?

  Which structure found in a(o);gkig 4 5;pphiz 41k vdfdd 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 str6 q1.),vuhpze6i2f8 )pvg l4koe zxtaucture 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 G9w.b)d3 zzkriy-(nmpolgi apparatus?

  Which statement(s) abou*p, xqc i98zfat cell structure 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 of bloodkl whgpqd5l0915bj/6uz rva5.


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 shwp)w*(5 ult;r a-8dm r)movbyows 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 incdkr 0f r7:c8iaz 1ffqk2.dwy *uqt 99 both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique fm5fy 2hvz qnj*o 302wcharacteristics that djqny 02v *5ohm3 ffw2zistinguish 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 transvers n75/v3zsb qqw)c.yei e section 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 b0 cq0iy6w4 ja k/wp5ozacterial cells?

  Cyanobacteria are prokaryotes that can perform photolw(a +*s ru4:vyb hr4e8r, iqosynthesis. Which structural feature is common to both cyanobacteria and plant craqv:h4ue ,s* wyo +br( l48riells?

  Which statement provides evidence for the endosymbioti c0jr bm9ukvb4v:jb3*c theory?

  Which part of the cell is labelled with the lette*w ts0v*mk f5cr P?

  What feature of chloroplasts provides evidence for the endosymbiotic th4 d jau;*3(18(czvxhraqhvfieory?

  The micrograph shows an image of a plant cell taken with a light microscopeti q +k/wbfh64od ku7+rx6 y9v.

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 bacteriumf3fm) pg7jirkns4,6w(fb 6qoo 67lwc Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects thep fbko46,)3j r q (f7s7womilcw6g6fn cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a -o7 ,(ng.gb gvbu) soen.3pzheukaryotic cell orbgb )3 7u(np-nzs,.oh eo v.ggganelle?

  Which organelle is the sit(fy+vq )q1 lgoq 3p.1t1hwtk he of protein synthesis?

The diagram below shows a cyan 1oq, c 5qar3iekf1*n4ouko3 oobacterium, 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 visible in the figure belo6xqm;ar7tu(7 k(5mg):blp.w u mobg zw whose structure provides evidence for the e gq.;m)a6mmrlwo7z btk(b5xu7( ug:pndosymbiotic 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 mulgll bl.ytz)oje/+, 7z7,f ijoticellular organisms are correct?

Below is a diagram of a motor neuron. Neur,g(hq gt.ciuj*b)i ei n -;qj2ons are the longest cells in the human bo,neigj2g*uq;c t q)jhi( i.-bdy.



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

2.Explain how life functions are performed by Paramecium.

  The following electro(/ua2xyrhfvc2:zbwc *l7je9 n micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production oe*/hyra jb uwxl:97c( 22vzf cf vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location oftj 8kl)33c sbr genetic material differ br83l b)skt 3cjetween kingdoms 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 th6 (f a:)4zsc+jvfbutpe endosymbiotic thz f4vtb)sju+( 6c:p faeory?

1.Outline the steps in calculars8 7pn7h (zu;iw1(,ex fdtmtting 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 shmh -1kclu8pfjv 2.:* )n/3ldiu b ghzsows 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 large amounts of carbohydrnt c ez9(1n16zqh swa-ates. Which characteristics would you expect to observe in such cellswatzn-z ce(sn61 q 9h1?

The diagram below shows a celqi;wiepfd b6 3:i l/a av.0v-zl.

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 prokaryotes8 y4 o)yn94hgvn xzw:af5ao, b?

  What is the correct magnificat; .rt;;wsfil 2jyw l. o.,ins1rli r.mion of this image?

  Which characteristic * mrtwqtv.3l;c br+3 dis not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotd9 .gkk1tr lg7, 64amlpeit) qic cell, Cyclotella litoralis. What is the actual di 46 .klk)qga1relm,itgtdp 7 9ameter of the cell in this image?

  The electron micrograph shows an animal cel8i- boqw7m*n 84kia xsl.

  The electron micrograph shows a sarcomere, the smallest func+*to1e lnf)9uytk j *stional unit of stria9j uk)yfonl1es +* tt*ted muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell mehinme.hl4utyq nli- :z5 g69e.j k.q 0mbrane?

  Which organism contains DNA in exactly two different organny4-pt,ee y6 x u/oa)qelles?

1.Outline one way unicellular organisms can c y h8xu85(g6qnw.,xxb tuni833qd mnq6xi n0yarry out each of nutrition, movement and excretid05m uqqix x n6qixgbn8t yn,(3hw.u836xn8y on.

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 fung cq 9(s/cprah1al hyphae and striated muscle from the two cell types shown in th1cs/(cq9prh a e images?