Which statement about eukaryotic cel a17arg w1 mgv5qg;k/als is correct?

  Which are common features of baqg(pj(6f5f2r zcs)e 2 ss3bhacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in thvj- aot 3b21d2r ust9le image?

  Which statement(s) about bwpnl i8uwfv2,8h6os:j/ 8a s the endosymbiotic 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 err( (z5hqzel-g zgy: -volved from the same population of ce5q:ghezrz -(yl-zg ( rlls?

  These photographs show the same section of a human retina. What is the rh6sz 6jbsy 2px.-/gbn eason for the difference betwb.jz2/x sspy6-h6gn b een the two diagrams?

  Paramecium produces enzymes that catalyse different chemic*/6 sdxbys5 xsal reactions taking place in the cytoplasm. What function of life is demonstrated in this yssx/ *sbxd56situation?

  What do the two labelledfw mpi:h, n*(l3ls7di, ec5lo organelles have in common?

  Which organelle has a double membraneqs. wjz5+1 ogk.( wegj?

  Which row in the table correctly identifies structures which ap b4ws jolltpr.pn72ql/ d6,vyg)l8 5re present (✓) or absent (×) in 8pltls )ll7 n5wyg2 46dpjbqorv.p/,prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double m*ct /irwjgqa0/2cd 5c57 wcseembrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the followingcl67l y9fvjrd g57ej3rnd p/a yi1+2a statements are true 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 not a function of the Golgi appar/oegk v v4ev7keasq57+ / kgcqce/-f4atus?

  Which statement(s) about cell structure is/f3g2md)-q8p b ysu(xtg f. kh7are 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 m:ji51r k3epg lq48bzx icrograph 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. ns5qs o2g e.*s


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 eukaryot, ue*h 4c.xxttic and prokaryotic cells?

  Mesophyll cells are fu; lec*i+eo; ryv+) bdound in plants. Plant cells have unique characteristics that +v;ieoy; r+cel )dbu*distinguish 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 showszibun. :x2q 6q a transverse 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 and cv)r sqvfl 1yj;+*j3vg hromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform 7zdz:x5xs 6 eg-idym.n. *tuwphotosynthesis. Which structural featur*e56x7tmzu.i:zdwy g xn.s -de is common to both cyanobacteria and plant cells?

  Which statement provides evidenceekf0rr 1l+nb . for the endosymbiotic theory?

  Which part of the cell is labelled with the letterfmd tak),qvssr7np ju.:; pv4kw5(b4 P?

  What feature of chloroplasts provides evidence for the endosymbiotic th-ysjw )sf)yr,7n lfhg) o 3y-6bb0 quzeory?

  The micrograph shows an image of a plant cell taken with a light microsco.6yaepwa nod;) uk0, oj5fth;(*ylorpe.

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 Vibri.y;o c :;iu1ug f8vmzko cholerae. Which of the labelled structures maintains the cell1zi;ofycmk g: .uvu8; ’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin oy a5z xddgud:ii9. 3,qf mitochondria as a eukaryotic cell orq,xg:3z i .ydd95iduaganelle?

  Which organelle is the site of protein 3 akvqr74rm+ayi81ckkz v )x-synthesis?

The diagram below shows a cyanobacterikq l(ah*id2 0kiw g2n6um, 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 whosb46bzd6p ,q,e xe 9howe structure provides evidence for the endosymbiotic thode6qe xhw p6bz9,4b,eory.
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 unicvmxg6w /2u pw ;+ cocof+7quf.ellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest celo 7clv hguysc 37,b*u 6e6w7kx79rvchls in the human bodcv rh3bwklx, hygc u oceu7 7*sv96677y.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shoz1 q.7lpxp(dqws part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for exocyt7q q1pp.(lx zdosis?

All organisms contain genetic material. The type, quantity and location of c pn ekixajr 31jn-, k-4/lw+uov8yj7 genetic material differ between wj u jo 14k/ ejyx7 -pi,vn3+r-lk8acnkingdoms 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 endosymbioticg-llge mk80ikc1a;0 y .zo339 rh puna theory?1890zl; kiny3 pcago0 k -lurhmag.e3

1.Outline the steps in calculating the magnld: .ubq sv43qification 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 aht272ib.;bur u jv v*k 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 releasekdnd)rd; rwu 7.3c)/ig-dux n large amounts of carbohydrates. Which characteristics would you expect to observe i- / dr7wukd3c;n.gdnu)rx)d in such cells?

The diagram below shows p vj+i -8ie89eytxc m3g2le4q 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 mitochondria7eyhv wdav//ubrf kq m82 1b2) and prokaryotes?

  What is the correct magnification of thi;e, umm gv.dtk(77-z n+orgl us image?

  Which characteristic is not true for both mitochondria and chl+om* 3kwu)aled/ ,hyog2nf + gt/7v lg*z kjh3oroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoral jtr;m9uy)yh+is. What is the actual diameter of the cell m)h9 +rjt;yy uin this image?

  The electron micrograph shows an animal ce,-ckz u(tx3dq ;s4ps.y a5gebll.

  The electron micrograph shows a sarcomere, the smalhxbk),o*l ; b3hl(vhb lest functional unit of striated muscle tissue. What is the actual length between (* 3hbx) k ,;bblovhhlthe two Z lines?

  Which organelle is form-l t 6*lgo1e wm/9 v4zp)bjkxqed by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two differe4uw1ty4eaudahnfx:p(- q ga:l q*-i* nt organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, movemenhs1.d na xg7u)+ s1nsot and 1ug )sohs+. nxans7d1 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 striatez3gvx9h6 *vnk d muscle from the two cell typ*zxhnk9v v36ges shown in the images?