Which statement about eukaryotic cells is c twvql1 y, jyf8)*;roeorrect?

  Which are common features of bacterial cell0sqqggr ry* 0e)3skv:he *2qj s?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is4vi)oq kzj/d 3yl wh(:wsb e.8 j8ujt)6lgi0g shown in the image?

  Which statement(s) about 0i s22hxl39r7b mz q)cou9hc2y7ct;pc qu1a u the 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 Eartj;v7 qh p 31p6kwti b(*x,vlpxh evolved from the same population of cells?i,;wp3*q6kxvpvjp x(b h1t7 l

  These photographs show the same section of a human reh:/o m) vwf*nciy qx0f*pzn ,5tina. What is the reason for the difference between the two0p5z)i/noymhn cwx**,vqf f : diagrams?

  Paramecium produces enzymes that catalyse different chemical rexkll.cke 3 v46actions taking place in the cytoplasm. What function of life is demonstrated in v4lxl3 e.ckk6 this situation?

  What do the two labelled organelles have in u vey9 9e6*haafj3z0j3(j g)ce gxhh.common?

  Which organelle has a double mem2m cb g/p rr7;29rfzlzbrane?

  Which row in the table correctly identifies structures which are present (✓) ,qhxqytdyv 8 (577r cxo ;rzsy2 3ri2jbx;/s tor absent (×) in pro2dz78bq yy5rrvi;q,/ y2 cjx ;o3h x7xt(tsrskaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membrane; e*hdd9k -ka*de:t ch?

  
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 strub+rr/lsfp+qa ) eyn mo.9xx3 2;6ww dhcture 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 f/d5rx*k2z sfth0tyg 1 unction of the Golgi apparatus?

  Which statement(s) about cell structucl-v 4p qlzl+2wgl8h 0re 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 microgral6zwe *i*nz zt+c js5qg - :/o7nvaaw)ph 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 1(q q2zlt q+z vmrj6uh)j e*k)shows 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 in4tbi1 xmyqf 2 m:vv y6tam41a3 both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique+cl nz8:w l1ecf5y s(q characteristics that distinguish them from any cleclwqn8+fz51 ys:( 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 audmp4her2ngi4aiv zk9z+n 8(v h 63e1 transverse 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*u2jme*o2 v su the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. 9dum9wz0*8g ae z,z5 u*bbrav Which structural feature is common to both cyanobactervu 9rwab8*e*g9 zzz5ma0ubd, ia and plant cells?

  Which statement provides evidence for the endosymbi h(a6 b6yqybgd3c:9 qmotic theory?

  Which part of the cell is labell , ttc-c8da-vzed with the letter P?

  What feature of chloroplpka .:ga x4tidb44x4 easts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell ta j2 :/pbgl(bzoken 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 bacterzfzt/*qbq lm2, qv .-dium Vibrio cholerae. Which of the labq2fdqz, vt/mq*.-z blelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of cr0u /-jto,f cmitochondria as a eukruf0jcc t-o/ ,aryotic cell organelle?

  Which organelle is the site gvm2eg :.0ld;qyn(lt of protein synthesis?

The diagram below shows a cyanobacterium, Synechokfuzya5aox tub75 *u+(, b5lrcoccus 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 visie8vj/lqyi)l, v 95 w1nra vb0xble in the figure below whose structure provides evidence for the endosymbiotic theory. n10,wa y/vlib5)e9xj lqr8vv
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 uniceni4 ;w onrxu53llular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest wb6p ( vzx2nv2cells in the human b62xznbv 2w(v pody.



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 pancreas c5i(o10c e mtqbkq)dw, 1mpcw2ell. Which of the labelled structures is responsible for the production of vesicles for exocytosis?mm 0wq owecb 1dt2iq5c)p1 ,(k

All organisms contain genetic material. The type, quantity and c yzj3cbj m3j,cm/.2z location of genetic material differ between kingdoz2mz/bcjyjj c3m3.,c ms 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 mix6tb)(ml4u8 0rsbnyz bbtd.nhx26 9 itochondria support the endosymbiotic t x.z nti9hu60rb(bs82nx mtdb l4by6)heory?

1.Outline the steps in calculating the m76s bd50x-gmb+klzz 3r gnc;w agnification 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 cell.tdy(3ba- i2at


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 cellyc-nc- 1vax0x .owz bxges7: rcr7h *1s produce and release large amounts of carbohydrates. Which characteristics would you expect to observe 1*r0-va :e wc71cy7x sox .-bgn hxczrin such cells?

The diagram below shows a cell.i3//ea (asuh.vhl gc. c.w6gd

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 mitoch)bdp 0 hlbhl);ondria and prokaryotes?

  What is the correct magnific w)f:+jsc .d -jr:jn-j3ey fceation of this image?

  Which characteristic is not true for v.1+ x+ lkps/x(qq8 kx88ukfrd yg v0nboth mitochondria and chloroplasts?

  The electron micrograph bs4add x2l :a/hfwq3aoa0y* 8shows a prokaryotic cell, Cyclotella litoralis. What is the actl4as80xaqy*a oba dh /2wfd:3ual diameter of the cell in this image?

  The electron microgr:da e0r3iu rfcnf-7 n:aph shows an animal cell.

  The electron micrograph shows a sarcomere,k1p)lb5s8 fou the smallest functional unit of striated muscle tissue. What is the actual length between the tws f lb8p1ko5)uo Z lines?

  Which organelle is formed by a vesicle derived from the cell memzi cz 74kosydl z 0r kz -8)7fgoxe:)e:m-ujx;brane?

  Which organism contains DNA in exactly two differe+m.lpi n1z6j3tivy-xnt organelles?

1.Outline one way unicellular organism vy2p11+0(3 pefspzykz -elhbs can carry out each of nutrition, movement and pb(pflz1zy e-0sh yp1+2k3 evexcretion.

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 hvk9 )r kx1-cz /(dgkecyphae and striated muscle from the two cell type eg-ckz )k( xr/91vdkcs shown in the images?