Which statement aboujhey3v* 0e/)ybs yx9/hrbt0 wt eukaryotic cells is correct?

  Which are common features of bactermnxer5j, 9m7 fial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell isgjhpl1ci ( hj0:vs.tr:1 svm ) shown in the image?

  Which statement(s) about the endosymbiotic theory is true 3rodo8j 0frm;?
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 evidencrhqj+0 9v7f6 dl/yhh pe that all life on Earth evolved from the same population of cells0v frd9hp+ hlhq7/j y6?

  These photographs show the same sectrp kiahz13rqt-r *rrz/ bya 9/l(/s8e ion of a human retina. What is the reason for the diff a8r1e-(39qbka rrrhtzi * sr/ /lpz/yerence between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reac cf:u:5njg, uo3 k5jg3thkv7qkxb2 .ptions taking place in the cytoplasm. What funct :, kkvu tu7c3b55g3 :xpqkfjogh.2j nion of life is demonstrated in this situation?

  What do the two labelled organ ei- x q9-;ldibw/xz(jelles have in common?

  Which organelle has a double mvxisbqa :)f. qdx4 l a6+o,h,qembrane?

  Which row in the table corregmda6 qu-5cd ywwej4a, i0u, 9,dl()u +yfhnrctly identifies structures which are present (✓) or absent (×) in prokaryotic and eukar9ugf d,d(56ha+ 4 lw,qu0 njy,i -eamwyud)cryotic cells?

  Which structure found in a eu kr5elzyb41.d- 7*j +hayvl bpkaryote 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 abouzutn yn -,2;obt 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 a function of the/5fb omcv6o/ s Golgi apparatus?

  Which statement(s) about cell structure is/are not true?/)o*m b:wzx ww

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 /f9cyjpvd) l/micrograph 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 shows E. coli cells..kh;z-k iec:.p4lx- tbp5d g9w qg oo-


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 i 6luazpjf y*e 1jxmms499-(wnn both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant celloit527qo ( 6 thtnhe/xs have unique characteristics that distinguish thex25qnt(/7 htohtioe6 m 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 transverse section through a l.shetr 1 1fim8eaf.



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 bacterial cells?ac2 b-x4g3n. rh sa1us

  Cyanobacteria are prokaryotesnnv :lt bvvu-bpp:i.66 ; agp9 that can perform photosynthesis. Which structural feature is common touvp -b;6v:p :a gi.pn96tl bvn both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbioywi,r0e05h ui 5fj5 f 4(flpkstic theory?

  Which part of the cell is labelled withq l 9xq)*(yvki the letter P?

  What feature of chloroplasts provides eix 7 v .us0o y,a,zv(ouw2tqfldh;8/ nvidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light micro 9ioo5x9ph;b-i9sjgsscope.

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 thlq o 9 m6kyjlo jsi)vtl(4+j: 9vzb.6re bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the ceqz) t9oji6m jllr:k 9vs vj(lo4y+b.6ll from lysing during osmosis?

  Which process is most likely respoz0hyhj) +*aab nsible for the origin of mitochondria as a eukaryotic c)0*h h zajab+yell organelle?

  Which organelle is thf2)z+ j3ry 0r dbkx)oq5 :ufvie site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongj/a ax y79f9hkatus.

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 figure3f9uwdh qj+as+c7tvc y g.(/h below whose structure provides ev3a udh. +ycg9jq c7/fsv(w+ht idence for 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 organisms ar ls7uw )ft*hvd7xk)9hrmke4 2 e correct?

Below is a diagram of a motor neuron. Neurons are1+sz:d/f 6 ui0e eltdo)9 zegi the longest cells in the human bosfleu tzo)eid /zg9d1i:+ 0e6dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows aj(c33 aqb6)jg fnqst+ 2yoh3part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles fc3s63( ) 23qahb jotjfg+qyanor exocytosis?

All organisms contain genetic material. The type, quantity and location of gezb; o dyige(n;u :*sxx7;)dvq netic mat;oyevsx(;*ddi)x;zb 7 g:nuqerial 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 mitochondria support the endosymbiotic t r he.b l ffp*cp+exqh/:ky5*;heory*pb +. xhlcrq/:eh ek5p;ffy*?

1.Outline the steps in calculating the magnification of a microgrlf4phgm blhv -ok*-h i1 2)6geaph.

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. 8fqgx0ov-kd9b;9h drw 0k3ed


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 anekk 3v 24 (u-nng9nyxud release large amounts of carbohydrates. Which characteristics would 3k9y4-nk ge (x un2uvnyou expect to observe in such cells?

The diagram below shows a cell.j :xs ;8yxz;suuytkc,arn(. ,

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 prokaryotes .u*0 hm/ c9p)jle3vvrxvd-cl?

  What is the correct magnification ofyy8195osw tg,ims5 xq sxnks8 d+1 /mq this image?

  Which characteristic is not true for both mitochondria and2urt8m1 6rerd chloroplasts?

  The electron micrograph shows a prokaryotic cel.7c7y(flqb, dy*u luz l, Cyclotella litoralis. What is the acd7q *b y czfu7,u.lyl(tual diameter of the cell in this image?

  The electron micrograph shows an animal cell.* - q( zw( kl3a9tkxvfla*c1je

  The electron micrograph shows a sarcomere, the smallest fun9 2m1fj h-.bsuqx7cxrctional unit of striated muscle tissue. What is the actual length qsr buxx79h1 . m-jcf2between the two Z lines?

  Which organelle is formed by a vesicle derived from t 3 eocb 3:x(vqzbb )7zpkr/7mlj+ux4k he cell membrane?

  Which organism contains DNA in exactly two different org l0a;h p9yub;voz a1n6anelles?

1.Outline one way unicellu5bker37rq 7 pdlar organisms can carry out each of nutrition, movement and excretion3 prdrqkeb77 5.

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 w u cq 5wxik1 onkj;4v3-(xke8cell types shownv4ik k(eqn 1k5x 83w -u;cojwx in the images?