Which statement about eukar0ccl5q ( v+ww* *tohtoyotic cells is correct?

  Which are common features of bz8w a g,83o(n;e rfxmtacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? tiz3afy3j fta cxmxsn .ys+(, 3,v2a.

  Which statement(s) about the endosymbiotic theory 4li6 ykckzx5+zs 7kj.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 evolved from the samecj p))k( tht;v population of celt)jp);(hck t vls?

  These photographs show the same section of a human ret oc3f0p-q: i5fvoqbdan-c2n0i- b w: sina. What is the reason for the difference between the two diagrams?i0-:n 2qf3npvo-c5afwi sq o:0- cbb d

  Paramecium produces enzymes that cataa-h33 fi pfdq7lyse different chemical reactions taking plqha d p3-ff73iace in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in cocmrd p:+qql+ x7ncos(q pj1y- 3w-tt2 mmon?

  Which organelle has a double1q+urroz hsoc- u114y membrane?

  Which row in the table correctly identifies strucx-/0wgc d q-n-8ggb mttures which are present (✓) or absent (×) in prokaryotic agwd /xbnq0 gt8 mc---gnd eukaryotic cells?

  Which structure found in a eukaryote has ap p1f6 f -f0u5pz0qjpb 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 f))n 6lzr87bn ;kz4 v vt(jyyastructure 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 kt(1h0+xnyy e Golgi apparatus?

  Which statement(s) about cell structure is/are not)g/i a7jiam 9w 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;yh 8oblgghl e.gvax: ) s(03m micrograph 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 shofon hqy8 5pz v1nym+;/ws 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 eukar8iqaov :q 5pz: vm*dq4-(dssu yotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant c kfcrzftjc4, ;pq6m )dv)/ 3mkells have unique characteristics that distinguish themzfckk)tq,vrfpmcd3j /; m46) 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 section through atc0 w8iylait dw90,4q 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 c9v(m+2-w : t z+b.l9ha-qyjmqnrp wrwhromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Whiqqt dtpco(0w w;q 7l+u6a,y6o ch structural feature is common to both cyanobacteria and planw0qd7(ut;ot +lpowqy 6,q6 cat cells?

  Which statement provides evidence for the endjq1x:0 + c xnlunxr2k.osymbiotic theory?

  Which part of the cell is cv9zyeu u4,9c labelled with the letter P?

  What feature of chloroplasts provides evidence// n/crds1 yjn for the endosymbiotic theory?

  The micrograph shows an image of a plant ldl.+jagpq f/ 8miq1fchh)8*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 sh 5 w3yz 4s-*sole0t6mrg u4ojkci(fb 1,ufu7vows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the ces6s1t5- oeoyw04m* (3z lb u7 fc,gjrfvk uu4ill’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria awy9 zw:n d87lbicgyee-598 aas a eukaryotic cell oredw5898 y cl-gbnizw9e7yaa: ganelle?

  Which organelle is the site of protein sy xp p2r2isnmro0+4oy8nthesis?

The diagram below shows a cyanobacterium, Synechoco (qm 2crmndqt9 vc a+y0h:xo7/ccus 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 organell+w y0swnous86c5w x 28 sivqp2e visible in the figure below whose structure provides evidencsuxpn8vswq6s85w0ci y 2 + 2owe 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 unicellular aeur.c+ +/gzc6 3fkdjpnd multicellular organisms are correct?

Below is a diagram of a motor gue xh3j7e7) s e33yesneuron. Neurons are the longest cells in the human bodys3ee7ux ye3) 73jegsh .



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 extwi*yc cui 9qu6o(2 y8ocrine pancreas cell. Which of the labell uqc* i8w(i9 t62oyycued structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantit -6o/uc)n*6;i nceevd,wxnoo2mru.s y and location of genetic material differ between kingdoms a*-cwiconu, e n62eu.6;omvdr o nxs )/nd 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 support the endo676tzl3 etss ysymbiotic thee ty7stsl 36z6ory?

1.Outline the steps in calculating the magnification o;gj k z)x /c8:)glxkimf 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 ar-1 :q;ntxmnq 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 carbohydrates. W4)-vn)n lv nmohich characteristics would nmnnl vo 4v)-)you expect to observe in such cells?

The diagram below shows a cellc/c 8bq6k .rza 6x3klm.

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 proka7r4 mun lyx;oq.jpk +,:kgxs(ryotes?

  What is the correct magnbr5g782h crkl 22fye hification of this image?

  Which characteristic is not true for both mitochondri;gpl9e- l ( krt2-cpov,p3 edia and chloroplasts?

  The electron micrograph shows a propr2 (vny9i. moc- ydf ax(8go:karyotic cell, Cyclotella litoralis. What is the actual dim2x: yg( fovyconpdir -9(a 8.ameter of the cell in this image?

  The electron microgrh3xb:+czp m k5aph shows an animal cell.

  The electron micrograph shows a somm(km kd x-/dsnptn h73zx90t;ei; g 1 k1wz(arcomere, the smallest functional unit of striated muscle tis1odhw -; zni7k9zd (/ se;mn(03 xtkm1x gtmkpsue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle x)rf:x)m3 ncfderived from the cell membrane?

  Which organism contains DNA in exactlyb7s(14e6gcp so z ,psb two different organelles?

1.Outline one way unicrn,swpyl ;o-n( )tvo1ellular organisms can carry out each of nutrition, movement)l,-no1;vp(rtsy w on 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 striated muscle from tpsn3 4lu +vvt-he two cell types shown n4ut-vvl sp3+in the images?