Which statement about rm5+r+q+klta z zwap05k7 3 sueukaryotic cells is correct?

  Which are common features of bacteria i0xdfqas;(vzwh6. f3l cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in th9f(pniwe;z f5,nzz9 we image?

  Which statement(s) about the endosymc08-d.c7hz - vzz wq(+bbhcgph1mt7j biotic 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 lif yea0la.t h;z-h3kt883ew i kge on Earth evolved from the same population of cl-yh g0zt3ah3. k8iwee a8 k;tells?

  These photographs show the same section of a human retina. What is the reasons twb3+il- /yc for the difference between the ic +blt3 wsy-/two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactibk+mwsp .m0c2 f 9/romons taking place in the cytoplasm. What function of life is demonsw/r0p2f9b cms+ o mkm.trated in this situation?

  What do the two labelled organelles have in c+ygz1df,pbmc 8y +: *wa wnpx9ommon?

  Which organelle has a doublvq5)9z,epiu de membrane?

  Which row in the tabj6jf r n)52uklle correctly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic celruk6l5f) jjn2 ls?

  Which structure found in a eukaryote has a double membrane? ;q5bx8zhuff) ds e e4.a)(f0urj*ca l

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

  Which of the following statements4aikxu0+o u. j 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 isq,kyu 3w;;xo brq)y )o not a function of the Golgi apparatus?

  Which statement(s) about celitn- c d5lj/kg)p r(t,l 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 mic ls zdw8 7bons,folvd7 .)(p/erograph 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 cellp;6zyi 4fee zyhut9- hl/(4ibs.


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 au83n jjghsc0ve +,ep pv61tm+ nd prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics m50ej-qd pntq(o 46zz that distinguish them from any n-m0djz(ez q 4pot56q 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 section through a leadm6qg6y ksq9 nqm2s*0 f.



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 chromosomes of bacterixe:ju9 ubwu y:tz -akn((/ qe.al cells?

  Cyanobacteria are prokaryotes that can perform photosynsri.ne m5.md/,0b g2d)yqg (d,oh sd uthesis. Which structural feature is common to both cyas0)bq .mo/5r,m,ing( 2 dyddgehsdu.nobacteria and plant cells?

  Which statement provideu d*otzwle9 u4f4nc 22s evidence for the endosymbiotic theory?

  Which part of the cel c-ob,d(suc8k)w xl-ul is labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosh-oublk8 7 i/eymbiotic theory?

  The micrograph shows an image of a plant cell taken with j lq7bk 5qn)f +-sfz-xa 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 the1b3*j u*ar,6epb2; qs pp su7kdfhfu; bacterium Vibrio cholerae. Which ofs;;6up2d,uashu b p7fe*bkj3 p q1 rf* the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely respmgyf+t,rwe 3: onsible for the origin of mitochondria as a eukaryotic c,rt 3w gfy:me+ell organelle?

  Which organelle is the site of protu3wim2 sy2k7 lj7e.o r0.tqgtein synthesis?

The diagram below shows a cl jgeu(fyh/a ;)dv1b9yanobacterium, 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 the1w rfc3yf7vgq-/r f6h figure below whose structure provides evideg qvf6/ fr-7wh13cf rynce for the 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 unicela p:oqiig agjm57v ds - (h;.(6dzc0milular and multicellular organisms are correct?

Below is a diagram of a /pxx4i/j71jxty w 4l zxx1 u:kmotor neuron. Neurons are the longest cells in the human boxl xj:xux1twz/4 kj/x1y7 4pidy.



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 (y.n8b hjhmq: 6c i/bxan exocrine pancreas cell. Which of the labelled structures i(bjh/x8.i y b :q6mhcns responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The typ5cfb xpd;0pp*bgio3pww 61t:e, quantity and location of genetic material differ between kingdoms and specie pctpdw*ipp0 wf;b1 xbo365g:s.

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 mitu+8osztnzm wzd05p5c a , uaf12sv*)pochondria support the endosymbiotic th0anf5v, uz to*uswds2 1 ppzm85z a+)ceory?

1.Outline the steps in calculating the magnification ofug,,qs1g44 *p3j c0e wbnb quf a micrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below sho(t. g.ogj ai rlw/0m8(zulw+g ws 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 release large amounts of carboij afjo2fic*3,s 3 ud7hydrates. Which characterissuo32*diij f3 aj7,fctics would you expect to observe in such cells?

The diagram below shodv m9a4+tpowudu ,r *)ow9: 7 e+sc1ngqs+efnws 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 m2v 4w st,91ie8dftzg aitochondria and prokaryotes?

  What is the correct magnification of this im0c4 //alk0vcf7q0d6-qiq5x5pfxyhf l una. h age?

  Which characteristic is not true for both mitochondria and chloroplbk( g*1rr4j4ic a iw1sasts?

  The electron micrograph*jh 0rgmz6.g /,drd sg shows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter odg ,/* g0j.zrh6gsdm rf the cell in this image?

  The electron microgr x1bhtt( b0k8bsuvq*9 aph shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional (wl) d oyeqka59+ 3movunit of striated muscle tissue. What is the actual length betweem yv9)(5ed3 ko+qoa wln the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membraab5x5zegpd;/a x)i knsh1 8c5 ne?

  Which organism contains DNA in 7nf+yiim i soa6/rw 1)exactly two different organelles?

1.Outline one way unicellular organisms can carry out ek4*jx6 p s3 1gxk9ywrcach of nutrition, movementxck wp9j 1kx 6g*3sr4y 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 fun 32h4fit01yjq 4oubsuk6li 3k gal hyphae and striated muscle from the two cell types shown in0stkqy6 3lih4u f2o bk3 1i4ju the images?