Which statement about eukyq 3*zc0cjcd 3aryotic cells is correct?

  Which are common features of bacterial0ktx 3d9u+ci b jp,h2v cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? 7)tb qf4xmsl9 ,::a4fm peqzt

  Which statement(s) about the endosymbiotic theory is ijjga ) /ze-1 c-6vi y;ec*hwgtrue?
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 o:t47gw)qp:n 5xd zejsame population of cellsod zt:5: pgej7n)xq4w?

  These photographs show the same sectionpp0;x m+,wrsr y6uzd*o w* ht/ of a human retina. What is the reason for the difference between the uor*x6w0 s/w y pthr*z;d ,m+ptwo diagrams?

  Paramecium produces enzymes u 4kzu 8sdqmolx3k4/8that catalyse different chemical reactions taking place in the cytoplasm. What fuk34xmd uk/lq8o4us8 z nction of life is demonstrated in this situation?

  What do the two labelled organelles have in common?1w;dv-( x9yirgcq,xh iw h *c-

  Which organelle has a doubl(sl k vk7av+9d mz.f5ruj*h *re membrane?

  Which row in the table correctly identifies structures which gxtzho1 vll vbb+2e+8u mge *3)k9i4vare present (✓) or absent (×) in prokaryotic and gox8t )evuev g m3b219l*+4vz+klbih eukaryotic cells?

  Which structure found in a eukaryote has a double membz*q,uuk 8x) lup/7dzkrgsa-, rane?

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

  Which of the followinguu 1y8 xryj/cy 7s8r/b-mg 8cm 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 r) (fezmq/b/ kis not a function of the Golgi apparatus?

  Which statement(s) about cell structure is/are not true?u7xah9k1lq yu 4d.9x s

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 micrograpayd84oia 4,7:gs 4tnchpu sd *h 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 7 xn;i):+ o:u kyrpzjbcells.


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 prokarc) vikj2 /mujj6x*l9 kyotic cells?

  Mesophyll cells are found in plantg3lco1trr 6am7k,dia; --3o;fz s zovs. Plant cells have unique characteristics that grvdocfios-73a3rt 6;1 l,m-zz;ako 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 shows a transverse s3 /x vdq;swtl tdj+0n0ection 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.tyl c-chl z7cg )0ob7 chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which ,jhxx:,qt3ieo +sv+ 21gnu+xpnj/ohstructural feature is common to both +vnx2i1qsgx3,h:h ,u/xjnt+j+e poo cyanobacteria and plant cells?

  Which statement provides evidence for tfi;f)5x ftac.*tx tk a2pd )oa2:r8yu he endosymbiotic theory?

  Which part of the cell is labelled with the letpo.6,;0a oxuz3 uphleo3k k z+ter P?

  What feature of chloroplasts pro6s-;/udbbm9og pwpr + vides evidence for the endosymbiotic theory?

  The micrograph shows ./;x1ii;kz/aszmb5i qc bph9 an image 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 showso(1jb v kf w noh./wh+p3v1w2e a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains(k +e2hh obwj1/1wvof.n3w vp the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the orig, ou -grx, t1h .3:qr(( slr+xvtnbyukin of mitochondria as a eukaryotic cell organkrtrl1nyux,qvgu s (r. ( :x -ob3+ht,elle?

  Which organelle is the site of protein synthj3)v)eb cvsg0gf 1l0or / h rlg,kk)o:esis?

The diagram below shows a cyanobacterium, Synepv i8-ptt4 :be1ol ithf9r y(*chococcus 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 v7j: gmi-* lfcf udac79isible in the figure below whose structure provides evidence for thmi9g f*fdj7-lcc u:7 ae 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 organism pb2+n6;w0nqvv xm .bfs are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in j ,2/uk2y 0sir6 hcyplthe human bodkhrj0uc 2/ys2,li y6 py.



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. W84ox9s)uiu cgs*cmnp ax ;dck 9;oq+)hich of the labelled structures is responsible for the production of vesi;9c)m4sq g c9u8 xi;o p)dkxa*suonc+ cles for exocytosis?

All organisms contain genetic material. The type, quanti38vticm vwmpff; : 9e(ty and location of genetic material differ between kingdoms and species. f8v ie(wmfm9 ;pv:c 3t

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 endosymbiotzj4q u:dq b:3oic theory?z4qq:bjd:o3 u

1.Outline the steps in calculating the magnification oqp .z omj20g50v zv3z6xo-vevf 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 a 8loq nd-hyb16cell.


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 release large amounts of carbohydrated.c ,v queg2u.s. Which characteristics would , dqgc ..uue2vyou expect to observe in such cells?

The diagram below shows/ccxvit u1h 3ft, da(ik5+:mb 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 mitochr;zq *o6w4rxrondria and prokaryotes?

  What is the correct magnification of this imaqil+8m gxu /7wge?

  Which characteristic is not true for both mitochondria and chh /wo*,q,h+ osh-ypo sloroplasts?

  The electron micrograph shb r ,0hazq45wl. qimt9ows a prokaryotic cell, Cyclotella litoralis. What is the aczi,m b5ar.ql49 0qh wttual diameter of the cell in this image?

  The electron micrograph shows an animal* 9 7bo0pxbfwy cell.

  The electron micrograph cjqh e /a b.q8nd*q(y(shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual (qn8*qa .j yq/hcdbe( length between the two Z lines?

  Which organelle is formed by a vesicle de1f5u(7 sja g3uuaf9m6uez;ds rived from the cell membrane?

  Which organism contains DNA in exactly two dif( v yc3rg42nuzferent organelles?

1.Outline one way unicellular organisms can carry d-tmn1ntwt.1)ijy s(c0 ylb6out each of nutrition, movement a) 6y1blm-wstt 0t1(ijc .d nynnd 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 striated muscle from the two cell ty moempe2.a *3ypes shown pe32o e* mmy.ain the images?