Which statement about eukx hrdu,y;3el(y/a -kkyn36u aaryotic cells is correct?

  Which are common features of bacterial ,pjh 7j+wzhf0o e5nh0t 12pp ucells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is show 9;ct dm1,o 2qpp8 wtc,v ,5iv/gxwhjgn in the image?

  Which statement(s) about the endosyjy*6rddaoo8x2p5, c f mbiotic 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 lifei v pl5/lpq3c( oyz r-* ,xg-vb;qwjp. on Earth evolved from the same population of cellsv3. zlqbo /j l( cq*pxg,riv5y --p;wp?

  These photographs show the same section of a hunme.zfu:mvu ,+c j)7tman retina. What is the reason for the difff+tjvm:z7.c ) mueu, nerence between the two diagrams?

  Paramecium produces enzym6sg) c5xzqxrwmk6 -9(icq (sw es that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demoni)9c 6sszw( qqck-xm5g(w6rxstrated in this situation?

  What do the two labelled organelles hibr6pt0k,r 4, 7cadw wave in common?

  Which organelle has a double membr tg4 wpkj(-iyok+nb-a0y -,hvane?

  Which row in the table correctly identifies structures which are presezke0iv z04ks qw d5 ood9wysrs7 9j5;8nt (✓) or absent (×) in prokaryotic and eu9 k408ioe7 vz5sss9 dw ;0qw roj5kydzkaryotic cells?

  Which structure found in a eukaryote has *4mnbaz++wk b 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 statements3pa 2 t 5hd86kmgfq8if 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 function of the Golgi ap-nq+hw 7pwt 03bwf yf o8m(1ezparatus?

  Which statement(s) abo, n*fpeemmrb9 yk07(6cvejp *ut cell 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 mi2 vb6zghf uh91crograph 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.hs i 5iggz-k -, g6acpg.o7h8t 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 .*dyxv :f5pfw cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristicdpy 3d. ro 7)tg)yvco5s that distinguish them fromgto y)dy co 3rp.d7v)5 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 a 1nhww cs/2)yyleaf.



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 bactf0a dq+i* dxw:erial cells?

  Cyanobacteria are prokaryotes that can z9y yf-i1wr(klr /+ mrperform photosynthesis. Which structural feature is common to both cyklmi(y/ rr-yfrz1 + 9wanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theor3 )8im:;bff4lvw7ldobm-upv uonr-/y?

  Which part of the cell is labelled with the letterx*drfd7( t:0df( c (n z3mvshf P?

  What feature of chloroplasts c)m kv/g6 60vpz jal:sprovides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken wmi1v1 *o 3b8rdw3mjc kjy9 /nwith 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 cee8 y-mn to;1g 7inwyg, m2mec/ll of the bacterium Vibrio cholerae. Which of the labelledy2mne , 18;n tm-7ocygew/gi m structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the iul1hjl: u1.xje4 z+f origin of mitochondria as a eukaryotic cell orga. +xij j hl41uf:zleu1nelle?

  Which organelle is the site of protein synthesis?c2oov2d x 1ryf*nw;+x

The diagram below shows a cyc,( ox/s/u6t6d3rcv2xhl s yyanobacterium, 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 the fiy5en; vf4u ha kgge;:0gure below whose structure provides evidence for the enf;4e5ygu:hnv;0a ek gdosymbiotic 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 cwulh((1 t9vy0 );a ct6ddgqq are correct?

Below is a diagram of71jukqi:elb;5 t l t-4t+a e)rm6fppy a motor neuron. Neurons are the longest cells in the human bodu e6pf-m;:1te tia4j5kpqt7l lyr+b)y.



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

2.Explain how life functions are performed by Paramecium.

  The following electron microgr96qbzcii6 h3x /ofv9yaph shows part of an exocrine pancreas cell. Which of the labelled structure/ f6yicv 69ix9ho3qzbs is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of genf q;,y.w 7dzvqetic material differ betwee.y,w; d qq7fvzn 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 aj: fit,-gvqvsu z1t45 nd mitochondria support the endosymbiotic theoi-jq1t4f,g szu : vt5vry?

1.Outline the steps in calculating the magnification of a 8w4ayp4vuknsu4m,z4 h25so 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. s93 4c.g +/i3 zy1g* wdqfyjiii7 say;b rq.hz


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 cim b-v4u04lrq0c+xv. Which characteristics40 +v0mxqubv r4-ccli would you expect to observe in such cells?

The diagram below shows a cmql uzvdlkjtv( p88e;1p0 hj8hu+t-. 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 and pry- zu;t d 9ke(a(z)ljbokaryotes?

  What is the correct magnification of this image? p 01+ez yctf2z

  Which characteristic is not true for both mitochondria and / y wh *+5w9.gscgbhhmchloroplasts?

  The electron micrograph shows a px jr, 9 w/cq.7xohyf s+wc7al8rokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in thil,+ cys7fxr./jqcow8 7wa 9hxs image?

  The electron micrograph sh6 pny29riaiko ,09 v9 hk auwb0g9mbn0ows an animal cell.

  The electron microgrs,dp(;b zmr ,ro/kvdoeev 5a:g12lp( aph shows a sarcomere, the smallest functional unit of striated muscle tissue. Whamrs(bd(,zk1gpo,vre;d op:l /2 va 5e t is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell mh5sx 3t.k.hxr4 adc 1lembrane?

  Which organism contains DNA in exactly tw0-2cxwv k -.tpltd1a co different organelles?

1.Outline one way unicellular organisms can carry out each of nu j1 *zs-bux)(cnlfi d8trition, movement and e *cjuid-( ) 1sb8nflzxxcretion.

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 a6x,) 4mmfzv alnd striated muscle from the two cell ty6l4m a)fxzv ,mpes shown in the images?