Which statement about;hdcpt3t:o kc. f +6ft eukaryotic cells is correct?

  Which are common features of bac-nylzj 85navv/nv o+i.l 5 0nuterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? u- g glm y-(b+.,otnho

  Which statement(s) about the endosy;z0hl+h bulee; ts)x 6mbiotic 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 Earth evolved from the q1zq/7s eny 06uch6cqsame population oen6c1 0zc7uyqhq6 qs /f cells?

  These photographs show the same section of a human retina. W)li)b5u jx8q bhat is the reason for the difference bex5jb )iu bq8l)tween the two diagrams?

  Paramecium produces enzymes that catalyse different chemicaltx :g5 zd99fzb reactions taking place in the cytoplasm. What function of life is dem9zg x fbzd:9t5onstrated in this situation?

  What do the two labelled organelles have in commona)cx4lkqks o,3+k q4n p:0nxv ?

  Which organelle has a double membragn83s tseb(stbf *2u, eb.4vh qn. 6udne?

  Which row in the table correctly identifies structures which are pl2bd/nub,bpu c-6tic+y*ua1q :qgq0resent (✓) or absent (×) in prokaryotic and eukaruqciag21 qd/qpnc 6-* by+tl0u : bbu,yotic cells?

  Which structure found in a.+o3xx + sdzvp 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 the structu) ggl7ir2rdv/ re 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 ujh -:u/38zbinz vxy(r j5m;vwq7tm- Golgi apparatus?

  Which statement(s) about cell structure is/are not true?sr e6 ;bwyzpd :kf;21 fd;px1p

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 miuezj)w.v7sdo 6q+ tjf2:rn m* crograph 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 cey:ia o 4rc:ow(q pc:s7v9ls x6lls.


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 fou 7n1ao +g;/ xn2pe bxkr5mbpcpi0jp 11nd in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have uaihgs.tw 83f7 nique characteristics that disting tah7swf8.i3g uish 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 transverse section through a 9h(: r1s rkunxleaf.



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 des: 7cm 1* qn7palfxtr*2mgbg8ccribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotesn.mbte 44*p+lc 1pgxr that can perform photosynthesis. Which structural feature is common to both cyanobacx *mt4r .bnpe4glpc1+teria and plant cells?

  Which statement provides eviden/q8ja .c82xzne ;au3oa)frb vce for the endosymbiotic theory?

  Which part of the cell is lamcw5mpmn)z gzgiv m(w73si -6hr 7/z6belled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic th31jnu fdzqr 9a(7p5*y g weaf*eory?

  The micrograph shows an image of a plant cell taken with a light mickrt4tx nrh 61+ refj/,roscope.

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 5jdq 5e4be- wb6 :rrr*9 iexmkbacterium Vibrio cholerae. Which of the labelled structures maintains the cell’sjrr k*iw9:bem de56 5xre- b4q shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochon;mxp8r)e fydm kz02:jdria as a eukaryotic cell organrz;kpe 8yd mxjm:2)f0elle?

  Which organelle is the site of prote lsof c1;5ds,6m gy4mvin synthesis?

The diagram below shows a cyan j4x5i)s (u;tw.qfq3feuj:ltx( l l 1jobacterium, 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 belobe0i +h)sl kh1*aa -d1o wwt+mw whose structure provides evidence for 0 wm)h-d+oa1t+ bhakw el s1i*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 multi m;:gf7;eqnm( nwc5nlcellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest o8nes qm46z b3(4hv ep0rttu4cells in the human bnq(ers4tv 60bm pozh44u e8 3tody.



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 paniahd r klt7c-2h:omrt197.s xcreas cell. Which of the labelled structures is responsible for the produchmk2l ot.rah7irt 9dcx-7:s1tion of vesicles for exocytosis?

All organisms contain genetic material. The type, q m(7q 35oo-emx6chtj quantity and location of genetic material differ between kingdoms and species. q6tc7 5e -jhoqmo x3m(

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 mitocho-5aokdu;txo*kthok r mk 6u h*y0-5 :endria support the endosymbiotic the5tt 0axd -*koye*k :h56omko-k; uhru ory?

1.Outline the steps in calcultyt;6oz fu 69xqciq0 8*,rmlp)vgcu/ating the magnification 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 show huj*.ebbc5d+dmrc , *s a 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 p2out 59my9t m0dj a4pdroduce and release large amounts of carbohydrates. Which characteristics would you expect to 9a4dmu d 2o t5pt9m0jyobserve in such cells?

The diagram below shows a+u bwpgm u2,t8 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 and prokaagv eqic -/8)*e r/weslse.0kryotes?

  What is the correct magnification of this imxk/ bs6:zx6g+6+ly 8 ckqolca age?

  Which characteristic is not true for both mit/) 2,qxedgt 0gay lvm,ochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, 2vk jj kp8 u/xp7jmpk764a k.gCyclotella litoralis. What is the actual diameter of kmp6g j7/jkx7uk.k4jp28 apvthe cell in this image?

  The electron micrograph shqqg1o k jb 52jk7m,xnv* 0-ejqows an animal cell.

  The electron micrograph shor* +71ifxpzr8*k nby f8:7qj+ljmu siws a sarcomere, the smallest functional unit of striated muscle ly r7fb pfxn7*8jiqr+mu 1i8+j k z*s:tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived fyf -;3puspavt)4q1gho lud4 f g15d, yn4(tb orom the cell membrane?

  Which organism contains DNA in exactly two deyc wo8cd (cca27tn41ke 92 qtifferent organelles?

1.Outline one way unicellular organisms can carry out each of nutrit y4gksf4c zdyy i f-fm::+7p6vion, movement and excmp +fgsfvycdy:y:i kz-f 46 47retion.

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 mui) rtuv7b 1w5hscle from the two cell types shown iv1btwi 5r)uh7 n the images?