Which statement about eukaryotic cells h:ouhvr. dv -4g-h ia-is correct?

  Which are common features of bacterial ciysg6l5 b +.ccknh2o ;i-rdq:ells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in te c sth5 xgb:p0q+ts;no1)nj:t-rr +9tnwpd1he image?

  Which statement(s) about the endosymbioqr5z7ck- 9gp 8ewo*rcm.1n djtic 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 eg6o*e* gu/x ysgyaea m2ck47. volved from the same population of cells?a/2. oyy6mxc e su**ggakg47e

  These photographs show the same sectizck9 q4umt+;6hcysl 2c;pun 5on of a human retina. What is the reason for the difference between;u5m4p;q u6 ccl2skhz 9+ ncty the two diagrams?

  Paramecium produces enzymes that catalyse diffq12 hpl4/g sr lbg+-jlerent chemical reactions taking place in the cytoplasm. What function of life is demonstrated in th1-spb g lh42/+gllrjq is situation?

  What do the two labelled n: veefo6yscku uvn65*o1 f6+organelles have in common?

  Which organelle has a double membr*bo i+:q+bf0ii8 n dbuane?

  Which row in the table correctly identifiesdc19jc)n45d a8cdj n o6hd a0l structures which are present (✓) or absent (×) in n9j8dcl cd)n5 0 1ajaco6 dd4hprokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a dor. gohl .:zm2muble membrane?

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

  Which of the following stateme w68m dh6aja.dnts 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 fu yvke e4(h/hae j*w9qix*z* dc5-7hp ynction of the Golgi apparatus?

  Which statement(s) about cell structure is/are d)ocxj.zo24;96s mfs vph9 bf 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 micrograph oacib vq0,.8p ff 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. colianswep 7. km.) 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 foun7aqk0wh +:cbvv-hi:f9 n * vlud in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in p 7av.4 h/fp w(r.fyq7nmbuv h:lants. Plant cells have unique characteristics that distinguish th yf4w vh7r /apmbu.h:qfv .(n7em 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 secctq cp*d8*rk*c(8m wa tion 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 0 6p:j:dt5 tvn,8jgm ira 3gqsdescribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that dxl6+ uvnv *v3can perform photosynthesis. Which structural feature is common to both 3lvund+ v*6xv cyanobacteria and plant cells?

  Which statement provides evidence for the evr8*7yzuv ) hxndosymbiotic theory?

  Which part of the cell i dvr0j-o7 9rn5 t3y7xmrzt.at5s; shds labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotfc zx-+g 7: 3jqi3qxasic theory?

  The micrograph shows an image of a plantbu(d73 b:pk ce ak4yyixkc if; j1y10( 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 micrograpl r4d13sn4/ej7pe zmaenfsmce h39+ d7:.yvm h below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell :em4lsn9mdr7+ ce hfne.e4d 331a 7yj/zs pvmfrom lysing during osmosis?

  Which process is most likely respo7db94 l clgkv:nsible for the origin of mitochondria as a eukaryotic cell organelll7 b4d9vgkl:c e?

  Which organelle is the site of prbx1h1owkie :; otein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatez(z.,+3jf cah( gxcb us.

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 hmrq/e fjl2 -h c6hb33below whose structure provides evidence for the end6bc-je3 r l3 h/fhmqh2osymbiotic 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 multicelle8 (ztgvdqd*r7 yk2h oru+f2d9h*c:l ular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lonpeux8lobcgth n9c./ 75eijj8;- 2e oagest cells in the human body.ope x ljcn/-c9gh52 ae88u o7ebitj;.



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

2.Explain how life functions are performed by Paramecium.

  The following electronvyhotbclz: *5vqp hpa.1 )-b: micrograph shows part of an exocrine pancreas cell. Which of the labelled structureb )bp:5 1hvhlvat- cq*po.:zys is responsible for the production of vesicles for exocytosis?

All organisms contain gy,c.j:519h niuw b8iqorjhk 6 enetic material. The type, quantity and location of genetic material differ bewk5u:9ir61j8cbn,hyi j h.q otween 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 suppor3f7s cnj :/ktkpvkw12t the endosymbiotic theokjk1kwp f/ct: vns72 3ry?

1.Outline the steps in calcus0 491dvol5 nfvzrby ;lating the magnification 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 cell. y e-f+ g5cwmd y232fdb


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 carbohydra6kue:rn b1 tvk.:hf 5v1 qdgr)tes. Which characteristics would you expect tt1 rv.v n )qe1:hdf:5kkubr6go observe in such cells?

The diagram below shows a ce g/+afz;wom -ell.

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 an7j b8kr*y3pcm d prokaryotes?

  What is the correct m8/ ep xbmc ijtuni7 rph/ /2xq-4tu0f)agnification of this image?

  Which characteristic is not tq ,vs*: wnqpsk:g4wpbkd/cfm::zu)) rue for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. W*q m;x8 0f.q ltpyige13gwag,hat is the actual diameter of the cell in ax pgq*qilw0e3y.1 ,g;mft8 gthis image?

  The electron microgr2bbt2r )/sc btaph shows an animal cell.

  The electron micrograph shows a q)xj68 1todhxlh/z9 esarcomere, the smallest functional unit of striated muscle tissue. What is the actu8o)x/6hjd tq xh 9elz1al length between the two Z lines?

  Which organelle is formed by a v 4p:gbevq , *4a3qw-i 1-vrwjefplu7wesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organe dtued-q od.p6) i(5dslles?

1.Outline one way unicellular organisms can nwei:((tzu :cwh/ v4r carry out each of nutrition, movement and exchte4 (u: /wcrn( iv:wzretion.

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 so fr4pcn t2;a xqkwnd:vsl/;fz3)6 ;u triated muscle from the two cell types shown in the rs;:ua f ;f/pql)d6t3o;cnzw 2nk4vximages?