Which statement about eukaryotic cells is :*01)k*ht qds4 byxtf*hu mlj correct?

  Which are common features of bacterial cfpi/t fx.i9 wvrwlp0+q) q1, zells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in tpl 5y ,/,p uwa0xcjjp/he image?

  Which statement(s) about the endo.e x h h,dya 3clpbnx49n.a :us.fi5xr*ne4w;symbiotic 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 Ea an2fjr-m0l)trth evolved from the same population of cn f20r-lm) atjells?

  These photographs show the same section of a human retina. Whaffx /w;uf89d it is the reason for the difference between the two dif8fwd fx/u;i 9agrams?

  Paramecium produces enzymes that catalyse differe tgv(7wjyo(kz(a t e:5nt chemical reactions taking place in the cytoplasm. tw tojgz(y k( :5e7av(What function of life is demonstrated in this situation?

  What do the two labelled organelles have ig zyzs,hwm)/ll 5kzh; (8npr4n common?

  Which organelle has r vygmn my i7m*lv9-40a double membrane?

  Which row in the tablkv pdr6gt,mtz8v (5 u1e correctly identifies structures which are present (✓) or absent (×) r1vvtum 65kz(,p 8t gdin prokaryotic and eukaryotic cells?

  Which structure found in aeik9 yvi8ec-.9paf1 3 hi-kqw 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 .s:6e 3up;fqi pfe0 pvtrue 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 n(6z4god9k nl p 5xufw7ot a function of the Golgi apparatus?

  Which statement(s) about cell strucy7ko5 bj5- ijt puu5n-ture 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 bl4x9ga gl .rbh /e4baj2ood.


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. cwz+pewoz w7t*3e1 p ce au*c/7n*i4psoli 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 eukaryotic and pr fixmx)6vy; 8rokaryotic cells?

  Mesophyll cells are found u0c7d+jhik;oin plants. Plant cells have unique characteristics that distinguish them 7ohi+ cku0d;j 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 b y kj,w 9gbgko t.y02 5r2d(,zxws:pstransverse 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 DNAb 3hsn0p6y vmstug*3zl6wq( . and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosy +fwd1j,f8 yio4jijoq5v6fd )nthesis. Which structural feature is common to both cyji f ydjo8,f4doi1wjq +f)56vanobacteria and plant cells?

  Which statement provides evfxv 9 ug3hf j:.r/eps.(/gxnmidence for the endosymbiotic theory?

  Which part of the cell is labelled w cocvjl f:(49with the letter P?

  What feature of chloroplasts provides evidence for t0r9*4, vw 7yhh5fnnjb fu4cxr he endosymbiotic theory?

  The micrograph shows an image of a19tq;n bt ts3w-ct3qb 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 th j2p4xtwf4g t zeth*d k7l81qg* r:a*me bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape a7twqhf4xd * *jg2t:zp krm4*a81eg l tnd protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondriyim*t- -npdgb:18wwmt ; k7jca as a eukaryotic cell orgaictmd7*;b:gt-k8m w 1yw np j-nelle?

  Which organelle is the siteyq9oi* vsb: +q pda5y. of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcul 1 15wql(9; sgj ;hq7lmktxcts 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 h t9k6-om;(rrz2h +qod p9vke visible in the figure below whose structure provides evidence for the endosymbiotice;h9dtp6mrzr2o 9 vqk(ko+- h 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 l01p0mpda/ld -orv -/9v tgp;mfd 2aiunicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurv f*gzkflgzd;dis* s6m71+v3 ons are the longest cells in the human bodgv*s 3 6v 17mzdd;*i+gzffksly.



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 cell. Whi-.94 ge q.vxzeujivouhd g1(m -gff48ch of the labelled structures is responsible for the production of vesicles for exocytosis? jgd4vfu .-(41eighvgef-z ox . 9qm8u

All organisms contain genetic material. The type, )pv 8wtn5edo qd4f74d quantity and location of genetic materi48 dw5to4 pd)fnv qed7al differ between 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 mklmxqs8s0 w mms*k3/cl23-qfitochondria support the endosymbiotic theory?mk wxq/- 2m 3*s3f80 klscmlsq

1.Outline the steps in calculating the magnificpzl0fzcts m .pzbt.. ;q+e m8mq3c /;kation 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. 8r -ev*nce:dync s:t bfo, 3.h


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 carbohydrates. i*nojg7g3p9 f )+r p kolrx3y,5v(uozWhich characteristics would you expect to observe infv*z onlp)o9okr u r33g(g7x,+yjp5i such cells?

The diagram below showsrpf/6)b 2nwus l kbybhxi+577 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 xv a tb6 oa;z9oss/7* x+l-pwdto both mitochondria and prokaryotes?

  What is the correct magnification of itxco7 )9m29dv ndv p0jz56rzthis image?

  Which characteristic is not true for both mitochondria and chlox huu +7y(mo;broplasts?

  The electron micrograph shows a prokaryotic rz0 qcwez-25bcell, Cyclotella litoralis. What is the actq0 zzeb-w r52cual diameter of the cell in this image?

  The electron micrograph shows an animalvc;j.05 (tvi5 ek ebrq b;j.th cell.

  The electron micrograph shows a sarcomere, the smallest functional unh01w 0qywme 9.knnkha7r:5as it of striated muscle tissue. What is 1r emk0hs7 9aw.wk5a0:n yh qnthe actual length between the two Z lines?

  Which organelle is formed by a vesicle derived froau ejn/ y/m6 n;e9wk/sm the cell membrane?

  Which organism contains DNA in exactly two di(e.b/ 27.eshxwu1c (hlqk 4ijd r(ld cfferent organelles?

1.Outline one way unicellular organisms can carry i-p))t;o rct 7l ib qiig2xr,q,jt57fout each of nutrition, movement an7r tgirict;lp,xqfb2o-7)i j5 t, i)qd 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 striated muscle from the two cell ztm2jyuba2c 4128dt7z 1gjtl+c jf7r t2tj72+ygct 4b 7j1tzau f rld1jmcz 82ypes shown in the images?