Which statement about eukaryotic cex49h 7q-2bqaef (e;cgzc rpt1lls is correct?

  Which are common featurethiem -elo7.hvg27 1ns of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image77 s; o. d.qvcpsetf11o, drwf?

  Which statement(s) about the endosymbiotic the ti)wg-0q0 sqht(e5 fgory 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 evolvedaln7hf0:n co qc.+ph6vy d 1c4 from the same population of cel ldphv76fnch1 +4a:c0 yq.oncls?

  These photographs show the same section of a human retina. Whajxa 9qd(w 2jny7*ket +t is the reason for the difference between theyejk7 2xan9qjw* d+ t( two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions taking pl8vanlkm273.tfl hs 5w ace stfn7l2m v.lka5 3w8h in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in commoz2m zqcbgvp7j.7g) qfu122bcn?

  Which organelle has a double me:cxmkp;c23vt mbrane?

  Which row in the table correctly identi cy.*zszndiz l. kvz/0k1g.c;z2 c-qgzf4sk+fies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic c0. +fggzc1/ s2. k*-4zznczcqkzdkly i. ;vzsells?

  Which structure found in a eukaryote hap 3ucln0 dj )r evs1q9hl46z4ls 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 statem55 ryt lcvxxg01ir4dj /l,a( uv (jp0vents 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 functio2jy3 0hkezn+y n of the Golgi apparatus?

  Which statement(s) about cell sgk*9x-y8x gl 3fl1y xptructure 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 microgrjfz 0fpo-:bb,elvb 9n n6k/2caph 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 zfnqx5d5x18t7n+ qj(x :c3a0 tbnwyc 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 prokaryotic c ekn+9jr*x vxf //5iyuells?

  Mesophyll cells are found in plants. Plant cells have unique characteristicsxqjdf56 ych0 0 that distinguish them from any othxj005qf y6d cher 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 stscu7 knpk.q61:-xd rection 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 descriug gvvjr2 2k,,bes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform pho5j 7xh):ffxh otosynthesis. Which structural fx:jff)x5h7 h oeature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic s5eptxmjf(g9vnxy*s d* ugp7 qp7:6) theory?

  Which part of the celluj2 v1)by yfq ua) h925x-llqzrzv3j:y1ry k; is labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic +mq6n;kc n jy3c)zq3 etheory?

  The micrograph shows an image of a plant celd5nk0lj.st-rf i-l qf+k5h , wl 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 svt;4;ot) 3vnf hh xlt6hows a cell of the bacterium Vibrio cholerae. Which of xvlt; h6o t3); fhvnt4the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of ze uhsjv p*n)kw im33-;lm10pmitochondria as a eukaryotic cell organelle?ph-p3 enk3m; s*lj)z0v 1mwui

  Which organelle is the site of protein synthe9/3a*x t xcx0ghqzi g-sis?

The diagram below shows a cyanobacterium, Synechococcus elongeo) 6 3ygonjob8: fqn0atus.

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 berzj-u. n,pdm*low whose structure provides evidence for the endo r .pndzujm,*-symbiotic 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 organisms3sb4tns x/*un are correct?

Below is a diagram of a motor neuronwtgkj 49 w(ks 0w:)amautt v )a23vg4n. Neurons are the longest cells in the human0v kg(ww a2t:9t3)tu4 wmsk)avj4agn body.



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 exoc:n fr eldgdc1,+hg y;5rine pancreas cell. Which of the labelled structures is responsible for the production of h5lerf:+d1yg ,dngc; vesicles for exocytosis?

All organisms contain genet8*q c1 p 13ja3gpijjxrd sh3h7ic material. The type, quantity and location of geneti3gd1 cx7 3j38 p*p1qjrsiahjhc material differ 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 mitochondria supps; zm1e3bznlrm-v 6,uort the endosymbiotic th3u zz,;mbml ev-sn 16reory?

1.Outline the steps in calculating the magnification of a mgn t9a g5,p0ndicrograph.

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

  The diagram below shows a ce:;5e j5 hvywel76v/mxad q.vyll.


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 kg wf0h0q08*ij:mq g srelease large amounts of carbohydrates. Which characteristics would yw 0*iq0km:q8fsjggh 0ou expect to observe in such cells?

The diagram below shows a cell. (f cjag.2 )61gekxyys

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 mitochondria and proka(h* -5.6jbxfa;l s iklflz4nx ryotes?

  What is the correct magnification of u+vs +xwi8o xmahe7ru0h 4)+athis image?

  Which characteristic c170; p 9ml(1n28bycywktut2fig3vb ye ck. g is not true for both mitochondria and chloroplasts?

  The electron micrograph shows a proggf/ bd8r+uy f(*-y(auuc+2dctkf+ r karyotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this imagky(yrrub*auf 2+ +c/dd+(8-fgft uc ge?

  The electron micrograph shows an animal ;l8suvz 8kcf9cell.

  The electron micrograph shows+n+ zfryq.s. m a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between th+ +.mn.zfsyqr e two Z lines?

  Which organelle is formed by a vesicle derived from the cellom58luzvt, o/ membrane?

  Which organism contains DNA in exactly two differe-2nqfkvtezb (kn11 t(.gp z z4nt organelles?

1.Outline one way unicy)*q(25 ejp .(zkir 1cctpbjc ellular organisms can carry out each of nutrition, movement an1c 2jcr pjc (b.(5pz*t)kqieyd 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 musukt/h+(19 gd ofn )joecle from the two cell types shown +)f (otuk ndoe91h gj/in the images?