Which statement about euka9nok sm-cz p(ff dt2q760+nq wryotic cells is correct?

  Which are common features of bacczec(dt+4 se5vx;.h/ 3 dgzhw terial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the im vkp du9 14.5nqdibe+hage?

  Which statement(s) about the endos8p.rq73gdk) / m kkpuaymbiotic 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 e6:3lfx spn8h q.u6aat volved from the same population ostf.:ulq 3p ax6nah68f cells?

  These photographs show the same section of a human retina. What is the reasoelw o/ u8kj(iekt9nue:r/0j * k 2px/hqcu *i;n for the difference between the two diagre8i (u pkw:qeo*/09nt/u2jxj; c ikrhleuk*/ams?

  Paramecium produces enzymes that catalw1/n*ycrf p:u(a+lfo yse different chemical reactions taking pl(* a pf:1l+u/ronf wycace in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in common? pft 1a9oq-7ea3ye6 y4g+ousv

  Which organelle has a double +(0xkqrg 0; oz5az vilmembrane?

  Which row in the table corrub9iu t:cweb67 h .-biectly identifies structures which are present (✓) or absent (×) in pr b9bb7 .i:u-6htuc ewiokaryotic and eukaryotic cells?

  Which structure found in a ef0fw-os2/r7mr 0x o ojukaryote 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 :(.cof+qw1df9pnti r 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 a -i4oezmr1cs(pparatus?

  Which statement(s) about cell structure is/are )vp* f /8 y jeb,:ewdt4tcj2pcnot 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 microgra)5nejj5 7wzufph 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 sho pk7fr , m4( 8fp0xfx 6:taj)dgl/()disq jnhhws E. coli 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 prokqqooi2lc6*)h aryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique cha82((qej8 d9vtup 9qy b/zateqracteristics that distinguish them f8yupeb/ 9(9j tztdeq a2( 8vqqrom 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 sezmze e0e uz6gy;( *p(jction 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 chromosomtakk qg :w d 3wvib;2j129j.raes of bacterial cells?

  Cyanobacteria are prokaryotes that can perfx;g r-nj1z/ 8irr:v6 vygrc c*ou8uy+ v2*bcform photosynthesis. Which structural fyr vy1u:j- orcu gcrv gvf+8* nrb*xc/ 8iz2;6eature is common to both cyanobacteria and plant cells?

  Which statement providesqavo c(a6) cg.*givby3x:xa * evidence for the endosymbiotic theory?

  Which part of the cegv+z (i9iml7 h6jgv( sll is labelled with the letter P?

  What feature of chloroplast0m/vxku t d+-qo6br6j n/)wp js provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscope.*dju-ulq l,.u l6qz4rnq (/mn

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 V1ol.v w 0ruux/ct25l7 rqszq0ibrio cholerae. Which of the labelled structures maintains the cell’s shape and prot 5u7wc/uqrlvosz 0x r.t 2ql01ects the cell from lysing during osmosis?

  Which process is most likely responsible0 s 4nj1 06pxiw9v)ks6n hrukhem,q,w for the origin of mitochondria as a eukaryotic cell organwj k pixs9en, 6nh) 10,rv6 uw4mhskq0elle?

  Which organelle is the sitegvg/e3 rzib,/3xq k)e of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus7acft13c,4zen*gb k+ru+i- pt w z e:m.

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 kut6 e1 q-xsh9below whose structure provides evidence for the endosymbio htue9q-1ks6xtic 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 orga- kba*d;q + t;oc 7s4svmz8qv+v.akdnnisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the hugvh2t0:gfoo r/94ylmf v;k mlgb-( :cman b;lfg(kcot-g:m2: fv9 0ovmy glb /rh4ody.



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 celfyit e,;i55(d klpb2 wl. Which of the labelled structures is responsible for the productiot2d 5 pw(e ibli5,;kfyn of vesicles for exocytosis?

All organisms contain geneti k53unws.ru:o c material. The type, quantity and location of genetic material differk5u nsw. u:3ro 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 mito i a()vlshs7lvyn)8q(chondria support the endosymbiotic thel8()7qyahv(s)sl vin ory?

1.Outline the steps in calculating th +v8nl4i0ozz re 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 showrb2 ; szyp:sk a4u15q)b dse)vs 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,3 td(p2y8z2 ds 6 gwxbak7imq release large amounts of carbohydrates. Which characteristics would you expect to obpqdy3gdwxi 7km86s2b ,2( aztserve in such cells?

The diagram below shows a celx /mx7m75osis l.

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 tk v(65az1grz*a6yc .hu 1 .klf5kyvedo both mitochondria and prokaryotes?

  What is the correct magnification of y. .ly+(drsssijx ;6lthis image?

  Which characteristic is not true;kf() s +i49sl6qml7dnf dqgn for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic c v22qw2o j.sseell, Cyclotella litoralis. What is the actual diameter of the cell in thio2 w2sqj.v2 ess image?

  The electron micrograph c:lw*; hju da xbe32s)z1ao ext8i:j*shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional luqm tpn70cm:ss *f 8*unit of striated muscle tissue. What is the act0 qpfn:c8u s m*lt*s7mual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell memqimjkf( e2;s ;qd+ io *lg2+sabrane?

  Which organism contains DNA in exactly two different org h:/ asmllj1d53ds,r3jamcar 5e .1pfanelles?

1.Outline one way unll+rkxw2alt hj3 io) g4.vy4+icellular organisms can carry out each of nutrition, movement and xhkjog2) t.y34 lvr+wlila+ 4excretion.

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 hgep/8 pdgmo,7 yphae and striated muscle from the two cell types shown in the imageppmg ,od/g78e s?