Which statement about eukaryotmkrm92*46mpa pk-m,kq7h z;i y o fs(cic cells is correct?

  Which are common features of )jv9lfl c rgxn/5f4e.bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imtz k)sx(/gh -4p+voo.yaa9xw age?

  Which statement(s) about the endosymbiotic thvs; u6wx+qg4* d o:pxoeory 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 population 7fm:i+ z;se q3. ;pp(bwclak wof e+ l3w.s qiza;c(kpw;p7bfm: cells?

  These photographs show the same section of a human rdq e+jtl3fjjzo:i2(p 3 3i .j4v;qmhwetina. What is the reason for the difference betw; pz3ie+lmq q3 .42ht 3 jj(f:iwjojdveen the two diagrams?

  Paramecium produces enzymes that catalyse di01o8s gv 0a0 x/ixt-b;oyllxffferent chemical reactions taking place in the cytoplasm. What function of life is demonstrated in thi0fbo lalvx ox-8x;gtis0y/ 10 s situation?

  What do the two labelled org5je*k, j xem3t2swtp 1anelles have in common?

  Which organelle has a dox//cl) k vbp.y+ogz9 zuble membrane?

  Which row in the table correctly k4p8kj1cbro ftrc3y) pr;5n3 identifies structures which are present (✓) or absent (×) in prokajbcr1k83 3p ;fprtcn)5 kyro4ryotic and eukaryotic cells?

  Which structure found +-gtxn( 6evpv(.mm j .eldkq-in 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 thkmbu np,0f,j 3e 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 a func yfrnp) yq-x4+ovw1 t+tion of the Golgi apparatus?

  Which statement(s) about cell structure rd,n-1 4p (8vfm1fkrp rhl)y x 30wpgeis/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 blo uepu 5 9dyqrp*2x.d. t+a+zwpod.


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. :mlgx)imb;o) v lt ga1-k)1wicoli 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 boef qk)vp ;gf35rtm)9 t6r*igeth eukaryotic and prokaryotic cells?

  Mesophyll cells are fo5x/n/jy)9po 40p jkc(f2aow gxz : qrpund in plants. Plant cells have unique characteristics that q nj/4 pp:2g9zo(0kcpxfaox r/5 y)wjdistinguish 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 transvex(+tb:o xjm,daxe5 s/rse 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 hqu96 f760qycj8z wj4 zzl3aeand chromosomes of bacterial cells?

  Cyanobacteria are prokaryote42oisz3j bc.j ;l*eo sn ;vf2is that can perform photosynthesis. Which structural featu 2.ozni4joe s j*fi;l2svbc3;re is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the en 391kgiowbjl4fn.xo *pe 8k3y dosymbiotic theory?

  Which part of the celr ou5jjsqgy 4+ew /)y+vf;0er l is labelled with the letter P?

  What feature of chloroplasts provides axp/ 80d:zu zh*skjn. evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light micrj750 kc*(zfp pagrx t.oscope.

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 b4.(l9wzqw;cs n1c dtvacterium Vibrio cholerae. Which of the labelled structures maintainsdc1cs(n.4 q zw9l; wvt the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely resp45rw;ca )1gkkjwih c; onsible for the origin of mitochondria as a eukaryotic celcgc k;ra 1w45 j;wkh)il organelle?

  Which organelle is the site of pr5br h6 g hb/tvpx)a(f3otein synthesis?

The diagram below shows hz)8nh ,ly l*g3fea5 olfd +v2d1c(nx 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 visible in the figure below whose structuo1 p 2 sjm,uspoj9(y2jre provides evidence fos(1 jjpym2o2up ,j9os r 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 unicellja+;r;: la j sn8)ktnaular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the hug ;j2n w07 2h-rsqy2wtj 3toigw;* qtjman body. 3q2 q2 rotwi0 hnjg2g7j wyswt*;-;jt



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

2.Explain how life functions are performed by Paramecium.

  The following electront-a *jnfa fwujeh2iokk.tp0e,21l +3 micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is respof. hanuao23jkk1 j 0 tp lf*,2w-eet+insible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and lo6b12r , zok 8pgf/kzo- 7eyekkcation of genetic material differ between kingdomskye8ok2p -zfk/7gzk,r 6e ob1 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 endosymbiotic ee9kuy.x:0xxj t- v/n thex9e.k-n u/vjt0 ex: yxory?

1.Outline the steps in calculating the magnificati3c9t(be ,fad:skwx ;f+.sn xy on 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+,t kxm. imvocx n(djf k;z332 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 l:8op t;avo9/ sar, tpsarge amounts of carbohydrates. Which chara8tsp;to s,:o9 /vrpa acteristics would you expect to observe in such cells?

The diagram below showgz 8yj(i7vr( -z tjt*bk5 82ozptngh3s a cell.

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 aogx/ehi+q1m1s+ p l7 bnd prokaryotes?

  What is the correct magnification of thit ;dn:d+q 41tzwlxt w*s image?

  Which characteristic is not true for both mitochondrc5q,f v; z;trbia and chloroplasts?

  The electron micrograph shows a prokaryotic cel pg;t tne rgbw:..oz3;l, Cyclotella litoralis. What is the actual diameter of the cel t ..gnwge orb3:t;pz;l in this image?

  The electron micrograph shows an animal cell. swg 8bq2,vxt1 3s(*ooldv-sb

  The electron micrograph shows a sarcomere, the sm, p c.oc65gum rtnt3y8allest functional unit of striated muscle tissue. What is the actual length between the two Z lines?,tm ro6n5u.cg ypct83

  Which organelle is formed by a vesicle derived from +bjr4 5t+.j mrl1 avob ll7f:tthe cell membrane?

  Which organism contains DNA in exactly two different o6s+(zf8 rm2h-ow,it rjp shf(kx 2bb )qe9n4crganelles?

1.Outline one way unicellular organisms can carry out eacy eq(at.0o ; cof,t6sfh of nutrition, movement and excretio tasof0te, (q.foc y;6n.

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 fukb* ea4d/t. (d g:nmyvngal hyphae and striated muscle from the two cell types4nd m(tevykda./b* :g shown in the images?