Which statement about eukaryotic cells is correc8g qyp ukgeb;(d)k,k (t?

  Which are common features*b8sc,z znuv0y) 4rkzur5jpc/a 1 *fn of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is showndjgrq/cs j;+; in the image?

  Which statement(s) about the endosymbiotic theory is truej vi *j17j.;;q-3b m(ozz g3rbmoef in?
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 vo / gd9nm;h/(efwc4 tEarth evolved from the same population of cellsd f(4/9o cth/nwge m;v?

  These photographs show the same section of a humanik9rox.,9c j ee32t*zlv 9zuf7credxkr,c.* retina. What is the reason for the difference between teducrf*co9vctr9* 3.e ezl,9jk, .ixkr72 zx he two diagrams?

  Paramecium produces enzymes that catalysn ,l3bkef:v x0se63 9c,twyb sntq2: de different chemical reactions taking place in the cytoplasm. What function of life is dem:v,nn ysbx39 ,twd0tq ec b3fk2:lse6onstrated in this situation?

  What do the two labelled organelles have in cod/gxwo-2ixbamsjy2qcy ./gxkup/*4 zq*t) 2 mmon?

  Which organelle has a double meehjpvy7 unpp+u6 , k,(mbrane?

  Which row in the table correctly identifies structyd7y.u: enib 2jo0zs :ures which are present (✓) or absent (×) in7n bjdu s:20yy .o:zie prokaryotic and eukaryotic cells?

  Which structure found in a euka:m5. nq ma g1x33l,p :yy+eoqchp d9znryote 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 structure of cellsz;.,iml, kjf 3i.fx )2qmqhtm?
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 Go ;(i;yg z0)xtimqlvk)lgi apparatus?

  Which statement(s) about cell structure ibeb r 3* 3hf96ezize7rs/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 blot(0zkl j 5wp;dod.


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 mv -7ppdrf4 +nrrmf -8cells.


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 prokaryoti zztr* 3*4s7enn nqw4g: 9skf1 qyhwi5c cells?

  Mesophyll cells are found in plants. Plant cells have uniqp w31jx3 n/wfvue characteristics that distinguish them from any other c3jwfx /pwv31n ell 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 sec8b3 j(f5) ce qg(yb xig(p6eqction 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 and k/p;rgp,iowmq 50. t fchromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can pjaru1m-v7 b: i2lw a 0/-nzsjserform photosynthesis. Which structural fea12 b sm :-j0aj/uav-z7sl wrniture is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the ey/hb 7umo w. /guv,o7pndosymbiotic theory?

  Which part of the cell is labelled with tho0nabu 9i8ak1-f ;v fye letter P?

  What feature of chloroplasts provides evidence for the 6 8si1 pybovyxlv *j4l3cxrs)r26y1:eavn;f endosymbiotic theory?

  The micrograph shows an iaqc-y mx;3h)fmage of a 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 the bacterium Vibrio cholerae. Whiw)v)i r;.jq cich of the labi cw ;)qi).rvjelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for tyd)wi f o7c0r8he origin of mitochondria as a eukaryoti rcf8w0d)y7i oc cell organelle?

  Which organelle is taaxi0(d t q6v2he site of protein synthesis?

The diagram below shows a cyanobacterium,5 a ut )x2ihw-dv4wym3 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 structure yvp*bb95 vjy:-gv) cw provides evidence for th:c9 vvjy*b- ypwg5vb)e 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 aboz 1u t2ihxz64noc ,*54skkfjnut unicellular and multicellular organisms are correct?

Below is a diagram of a (4x joqfbv)v; motor neuron. Neurons are the longest cells in the human bod(qxb;j4 )fvvo y.



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./ qubfo/n 0vh; Which of the labelled structures is responsible for the production of veu ;fhvo0b/q/ nsicles for exocytosis?

All organisms contain genetic material. The ty ,m./k:r pjpeepe, quantity and location of genetic material differ:eprkj, /. mpe 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 mitochonba)lq +zi.e jkl+j1g07 8fcfgdria support the endosymbiotic the zjff )j + g+e7.c0lbakqgi8l1ory?

1.Outline the steps in calculano8 6knr vh*qh-.r 8*mibjqv-ting 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 shom 8/znqrbw / i9xvtw28ws 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 produce and r.yxd) tw kh3nv zwam wju4g; hi45:.b)elease large amounts of carbohydrates. Which characteristics would you ex.nv4wg mj3bywd5xwtk;4):u hai )hz.pect to observe in such cells?

The diagram below shows a cell. uzyu+g gr6g/u; y6nf:

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 andk86 .wj(rxlm l prokaryotes?

  What is the correct magnifilp)a 2e *na/gzcation of this image?

  Which characteristic is not true)3sy08 .ukkscjds8 f v for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotell7jsh;q, zzm8la litoralis. What is the actuaj;87m slhqz,z l diameter of the cell in this image?

  The electron micrograya*sx:my:q p);le3f dph shows an animal cell.

  The electron micrograph shows a sa /4 sph(t.wrn,5x g/ hfxl+pj:x/y hwprcomere, the smallest functional unit of striated muscle tissue. What is the actual length bwr(phgpxh/t.l : sx5wxjf+ p 4/y/n,hetween the two Z lines?

  Which organelle is formed by a vesicle derived from e-et z6 g/bndi-k+(ptthe cell membrane?

  Which organism contains DNA in exactly twoxc) xq5trcm0fl6 n2,a different organelles?

1.Outline one way unicellular orgu7 n y5nk )rvsq/eb1c;anisms can carry out each of nutrition, movementbn51q /kn v7)syc e;ur 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 hw7cye ;my5t /and striated muscle from the two cell types sho75ehymtc/ yw; wn in the images?