Which statement about eukaryotic cells is coj xyys7,6a;we rrect?

  Which are common features of bacterial ce(rl.b nvg: v. ;dc qr,wuwd0n92xy0jllls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in thanuy5kpea xh9yc1)* ) e image?

  Which statement(s) about ttf1en 3.rk9q rh:tpj7he 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 Eard o+8e0m0of agth evolved from the same population of cellsfod +ge0om0a8 ?

  These photographs show the same section of a human retin(z.,qefo byqs907i imgu.t7i spd, n;a. What is the reason for the difference between tiydqu( qig7o;e .sni9fb 0t zs. p,7,mhe two diagrams?

  Paramecium produces enzymes that catalyse different chemical reawuy+ 6+ **mrg3 kv;o/rq osawrctions taking place in the cytoplasm. What function of life is demonstrated in this varu*ww*;qr3rgysko+ 6m+ /osituation?

  What do the two labelled organelles have infz; opdx.;qpw)0 yqp2 common?

  Which organelle has a double membranee ge5bi-4t1g d?

  Which row in the table correctly ideng4yxp1esd;p 7g/ m/t gtifies structures which are present (✓) or absent (×) in prokaryotic and ex/ /;4gtm sgypd1 p7geukaryotic cells?

  Which structure found in a eukaryote has a double me++mg;6xn3 szg ,kpxhl mbrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following sta yvv o(owi;0uxre8 ;p:tements are 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,g) wqk 5a nqrv6p4,pu a function of the Golgi apparatus?

  Which statement(s) about cell structure is/+4 ix3dd7ewy.grvyt2 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 ofu0ib5 e8ez;2 cayt b+ .pwzl-y 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 celezuba ,j b0;6nls.


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 prokaryotic *hew25wov,tj cells?

  Mesophyll cells are found in plants. Plant cells have un li9mvw-mu7)ulpx t1,2x/zy sique characteristics that distinguish them frol ,pi9tv-)/ly 1 7u xwzsumm2xm 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 transverpo s0k4m2u1scse 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 thetq d8t1bmavqrmm p+ p :5wmm)x+007v o DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that canjcu7vh13:k0 t a)lkrm perform photosynthesis. Which structural feature is common to both cyanobacteria and plant clr7thk3u0 ac 1m)k jv:ells?

  Which statement provides evidence for8r my4) +fvdize5oof1zk(i1q8r7dy a the endosymbiotic theory?

  Which part of the cell is labelled 4-3m+r)n ejxuhu3t ep q*/bewwith the letter P?

  What feature of chlo5afuv0:ew5;xt1 mng nroplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microstcis0 q+i17cvcope.

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 c 1 :nsv4wvrps.holerae. Which of the lrv s4.pn1v: swabelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitoc;+clah8/yw,l gxo8 q ghondria as a eukaryotic coxg l hqwg/cy8,al+8;ell organelle?

  Which organelle is the site of protein synthe lj3opa* xwgq2afsmv.x9(.3qsis?

The diagram below shows a cyanobacterium, Synechococcus elongat+wexaff;9q/ ct,p( - 3 fvahtlus.

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 whosessq8h3 m3ds ) )* kyi:7(sgk,twjsrh h structure provides evidence forid h33y* ms h(k,ghksstrj)s)s 7q:8w the endosymbiotic 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 l5mr ;n4l:x ajlv+-sk3 ats+bdqj(,corganisms are correct?

Below is a diagram of a motor neuron. Neurons are the vuw.xdx,e,4plongest cells in the human bodye,4w.pdv,u x x.



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 pqobjnx1*w qh 1o(e)8;f pifc 5ancreas cell. Which of the labelled structures is responsible for the production of vesicles for ex)8;iefc(fb 1h qwpon j 15*qoxocytosis?

All organisms contain gene ( vuk*i)dh3.xudjir4 tic material. The type, quantity and location of genetic material differ between kingdoms and species.3ii4d( )uku.r v xjd*h

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 tbj,:eg ri:.p.v +mpgf he endosymbiotic th egpm+,:: bij vf..rgpeory?

1.Outline the steps in calculating the magnification of a micrograph.n -;8 f0ez:yozpc ry5j

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

  The diagram below shows a celfcvn/ kd b-45n7 tyo2bl.


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 amountsdjpcbypb, .. 0 of carbohydrates. Which characteristics would you exb.cj. ,ppy d0bpect to observe in such cells?

The diagram below shows a ceuh u0 42z4oekpll.

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 prokarkx4-vufhan( ; yotes?

  What is the correct magnification lop04v h ,t/wytxx/adx *0 vvv oq6*qn n9u3m7of this image?

  Which characteristic is not true for both mitochondria and chloroplasxsaauo ff7d5il6s*cu ( b*d+y 5n;6 wdts?

  The electron micrograph shows a prokaryotic cell9ps yh uu+ou:4, Cyclotella litoralis. What is the actual diameter of thh:u+ upy9 u4ose cell in this image?

  The electron micrograph shows an animad 9w2ywkstz xk,3+9ez rsti98l cell.

  The electron micrograph shows a sarcomere, the smagc0c x*v q27:fjgt1qnllest functional unit of striated muscle tissue. What is the actual length 7cxg0*: c2 fvqngjq1tbetween the two Z lines?

  Which organelle is formed by a vesicle derives9zeu ppg;/- sd from the cell membrane?

  Which organism contains DNA in exactly two different u.s7 pb;g:r eq:jxjhcyay p c:. ).d8vorganelles?

1.Outline one way unicellular organisms can carry out each of nutritidm0pzw1 * hm5l ry78jyon, movemenm8hd07p 5jrylwmz y1* t 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 hyphae and stric ksv7cuo if8;i;:2rnated muscle from the two cell types shown in th; vu 7rnio cicsf;8k2:e images?