Which statement about eukaryotic cells is correct?lv.xj9j/a7+ 8:na ja7 xovws e

  Which are common features*o,mkqb+df u5.a,ua m of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shgp*6 i-.d6au k fogi+oown in the image?

  Which statement(s) about the endosymbiotic theory is pwr547svyr 9pvdtu5m/0a8b u o8r cr) 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 aljlj)2z0il g, jjol6w r ea1;)ql life on Earth evolved from the same population of cele l;2wazq6j)jrl ),igo 0jjl 1ls?

  These photographs show the same section of a human retin o 3d. oh2g.og 2u3ggp5lp3kdea. What is the reason for the difference between the two diagramop..ge 25 3ul2g3pk gdo 3hdgos?

  Paramecium produces enz gg94dmh1of1 oymes that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situ1g fhg9mo 41odation?

  What do the two labelled organelles have in common? xdq6 j8mria +8

  Which organelle has a double m7:y 1e0es h dyfmr0:qsf3b 14*jrcqz iembrane?

  Which row in the tablxk;5 ;uau tan;46nof u ar,q7ke correctly identifies structures which are present (✓) or absnn;k7t x6ak 4uqru ,5;fu;a aoent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukar pfkf, cs(-rk7yote 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 aboutif8k p7)b ve;as ./difdnna 85 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 a s u*3hid(3wrppparatus?

  Which statement(s) asupb f2m*+qko f 3wj54bout cell structure is/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 micrograp0qtrlate slom8 mvk+7 9e;p8 kb.4r a4h 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 Eaiv yy.fcmf3/ ,ij5/h . 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 e:x-wz1v1ln/n2 tiyyrukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have uniqu qfn (+75l w,eovyothk+-lg s-e characteristics that distingui7g,otlfl(es h +-yq +kwno- v5sh 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 sectinnq 8djw/ej7)nlzp4 dh()l gp6n7q+mon 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 thmjf+u ,-j qie9/;hwbs e DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which struct.rw7k mudhi4e/ev9lh1smk :;ural feature i;1ehi.dmwre h:97v lmuks/ 4k s common to both cyanobacteria and plant cells?

  Which statement provides evi43 wkgk:8:wq2i bi njsdence for the endosymbiotic theory?

  Which part of the cell is labelle g:8of*gx:xzoys :n g.d)gun v4;ui:gd with the letter P?

  What feature of chloroplast7u.p7yfq.i5t9s ajpjs provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a pw.2oh*,r qqx xlant 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 cholerafp 6rsrykh)4 9e. Which of the labelry k hp64frs9)led structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin oij 1mmz l53(cld)dy uh8q u/y9f mitochondria as a eukaryotic cell o zi3m )uh jmcdyu9l5y(81/ldqrganelle?

  Which organelle is the site of protein synthesibf(hvt17 vs 8 cq+/hrqs?

The diagram below shows a cyanobacterium, Synechococcus elongatu) *r8xsgzqki 5*ly*qv)l6 f;c u ujk,ys.

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 belo crcx;) /fak2 fs7-0dykby b0 kb-wn;uw whose structure provides evidence for the endosymbiotic t fu bdfn k)sxky20c-wyb-b;70k cra/;heory.
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 organismn p 9ebioo jm* c6m ;fh4;np57nth)nr-s are correct?

Below is a diagram of a motor neuron. Neura q2y*w fo)twv*v2x j:+nzxl9ons are the longest cells in the human bodntx o)wvy fa29*+ 2:xwvq*jlzy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows p7(fh;a q0x 1tgv :xlppws9m9a art of an exocrine pancreas cell. Which of the labelled structures is ressmpax:q(vh 0f9p;1wtxg a79 lponsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and lbua z +vag82/qocation of genetic material differ bet/ubaav8zg +2qween 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 mitochonn9 psgh:t :9izdria support the endosymbiotic t 9:sg tn9pizh:heory?

1.Outline the steps in calculating the ma*xxj /3zdg jn(ygn( d+ue ;ud(gnification 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 a celn** u lvvivio*9i (se2l.


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 amoy7:8r2 mpx7ans6jri funts of carbohydrates. Which characteristics would you j fm8i xn:pry67ra27s expect to observe in such cells?

The diagram below shows a cell. /idkm rt5zt;i/klsn*ikw 0b*0k 2 0g s

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 both6xxly 9lli:ja8 8r ca3b7ji/f mitochondria and prokaryotes?

  What is the correct 9:f h,kqf vzik 3a7x6umagnification of this image?

  Which characteristic is not true for botm6ef(4c1 rh egh mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclojk9 p,;q) utlxchd/:gqe * 91bw ,id3xvcpjq )tella litoralis. What is the actua:k*g )qc;p1dx9pjq3t v,xhw ), cdjbqeul /9il diameter of the cell in this image?

  The electron micrograph shows an axs1v 65 gwtip(nimal cell.

  The electron micrograph shows a sarcomere, the smaly,gkch, rz3wpqbd:ig.i*6 cdp *e (8llest functional unit of striap8i*cdh6b(dc,wry p*gl ei.k, :3 gzqted muscle tissue. What is the actual length between the two Z lines?

  Which organelle is foyi; g:v3rk- vst bz-f+rmed by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organelq5so,/7r4m *oz tss zples?

1.Outline one way unicellular organisms can carry out evr z.(/jx v*uwm-nj ;3teep-dach of nutrition, movementdz ;ep/emx u vj-jv-*twr.n3( 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 and striateefzu70h6 pj-4d a2ecm (rb2 djd muscle from the two cell types shownh-z7pjdcfa6 2ud 4er0eb(m2 j in the images?