Which statement about eukaryotic celm p )()6lckngcui06uwls is correct?

  Which are common features d d-gsmh.i7t(uv .3 gjof bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the7vqa:8 j xq;xj image?

  Which statement(s) about the endosymbioticn /e2eet-skn4xy1y1 k 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 life on Earth evolved from thes5 3)/5knl sq* p:7xx nitacag same population of cpgtan c7n3 l/5xq xi)a:k*5ssells?

  These photographs show the same section of a human retin* r;3gsxjj i+pa. What is the reason for thr3psxg*+ j;i je difference between the two diagrams?

  Paramecium produces enzymes that catalyse different c wx..5 fhzp8u0rul9 3n :hcy1bp 0nqaqhemical reactions taking place in the cytoplasm. What function of u:qcuwz3fy019happ0x. .5hl bn 8n qrlife is demonstrated in this situation?

  What do the two labelled o+f2.byr v 3pzeb9uw k7rganelles have in common?

  Which organelle has a double membr/x5 +kgwg8l 9+y 8dxdlebg6knane?

  Which row in the table correctly identifies structures which adhzg st48a 8a1re present (✓) or absent (×) in prokaryotic and eukaryoti1t g a48ahzsd8c cells?

  Which structure foun0flk6 xc4j w/pd in a eukaryote 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 a, f2bt4k0 g 9yt qelxv; han*+m1xfu6xbout 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 fun a*20 omx1-1)q dn)yxspfa fgpction of the Golgi apparatus?

  Which statement(s) about cell structure is/arev(,bf0o6/ mye ja-nyj 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 mice fyy9 ;7udjx2li 5s3crograph 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 celyk (9tk : 72vmws2iao/ hq5j fz(hwxy4ls.


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 prokaryot- ktprr8h8owiiyxy3,n. .o 5b ic cells?

  Mesophyll cells are found in plantstg(9 a)nr;mu y. Plant cells have unique characteristics that distinguish them fron)yg9r tu;(am m 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 trancuwn7w sc,j/yndx3 .5sverse section 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 chromosome0 3pdng0; nxojs of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynt l e:szbv2mdt54ck7d1, 7looihesis. Which structural feature is common to both cv4m7slikdl1t , b ooe5c z7d:2yanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theoihov+66*t 97hwo ucfk( j ns5wry?

  Which part of the cell is law*xi7suy r; tyl1:p n3belled with the letter P?

  What feature of chloroplasts provides evidence for th;zv:jccj/-k9 sfs2 yhe endosymbiotic theory?

  The micrograph shows an image of a plan98. gistgn wy6e9j8gft 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 Vibril0etx(x . r401vzyqwpi v-t ,do cholerae. Which of the labelled structures maintains the cell’s shape and protecq 0 l tv,wz1xedyvt04.( rxpi-ts the cell from lysing during osmosis?

  Which process is most likely responsible for th)- nrei .dw+kge origin of mitochondria as a eukaryotic cell orga .+kw)enrd gi-nelle?

  Which organelle is the site of proteinfx.fful +w* 4d synthesis?

The diagram below shows a cyanobacterium, Synecho-q0rkwu)e -w oh0plu4coccus 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 vi mrqz6swv3m/)(d 9owosible in the figure below whose structure provides evidence for t(9ow o)d 36m wzmrv/qshe 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 organisms are cor;3 g / f)ypi 90sdz,yr0egxpexrect?

Below is a diagram of a motor neuron. Neurons are the longest cells inxh tlg8x j)1 k7ulj*4l.q 1hulbjz))d the human zjub l.tx)hhjk *u)1l4d8 q)ljl71 gxbody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron microgra nssees 47sx -gg-qg*.3y l;mxph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the exmx43q;se- n*gl.7ssgg-s yproduction of vesicles for exocytosis?

All organisms contain genetic material. The type, qua j mbccqh sp36m;+ km.u:f9 l347 x-khsvpjri+ntity and location of genetic msh9pxk-.6i3bhs:3mj + v pcj;7m 4ml+u crfk qaterial 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 support tz 8l;qb eg4ld,he endosymbiotic tld,4 lb;qe 8zgheory?

1.Outline the steps in calculating the magnification of a microiqnbos, :./ 8q6 nhv7e,wuym cgraph.

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

  The diagram below shows a-* r4eo3txme sb x2 rhw((wl5m 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 oblheie3 o+qy4w 5b gi:7+gf8zf carbohydrates. Which characteristics would you expect to observe in such ogg3 ie45eqb7 :fz+wl+yb 8hicells?

The diagram below shows /ns:(dz v+npfu; 5oova 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 mitochondqzm2,mapi 0 4xria and prokaryotes?

  What is the correct xs 1gci o/-kdioixrw8 y1p11m j ;/cw/magnification of this image?

  Which characteristic is not true for both mitochonwkz9l (nvz)i 5dria and chloroplasts?

  The electron micrograph shows a prow dalg(8)43k a b-hbtokaryotic cell, Cyclotella litoralis. What is the actuaoh-3 4gbdk w(a bt8l)al diameter of the cell in this image?

  The electron micrograph show )p);cqhhfd hv s:jv84s an animal cell.

  The electron micrograx ;: mxv,qx-mnph shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length b:v;nmx, - xqmxetween the two Z lines?

  Which organelle is formed by a vesicle derived from the cell 5omxksd wch-v 11(z 0bmembrane?

  Which organism contains DNA in exac1 qdb.8y0 qkastly two different organelles?

1.Outline one way unhovw-3hzvndqr.:7 w l- w91s sicellular organisms can carry out each of nutrition, movement and excretion. w hh v9zsw3l vwq--s: o1.rdn7

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 fr:((zooi3egfc 5- ok o2 teycm,om the two cell types shown in thegk ((f o2y c,ee5mo -z3oocti: images?