Which statement about eukaryotic cells +2vkm yp9(9gurvkc 1o is correct?

  Which are common features of bacterial cellsggmr b wsd 6 x-7ci7;8m:mcn6t?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image7ry9h 7olbw050unus upss ; +r?

  Which statement(s) about the endosymbiotic theory is truebw g1* mfrmg oqhq 6 :,;hzqv3ib2+6le?
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 samn))e:c mhlix 0e population of cellsc)mh)xi:en 0l ?

  These photographs show thdf27snu5r6 nq e same section of a human retina. What is the reason for the difference between the f5r s2u7ndq6n two diagrams?

  Paramecium produces enzymes that catalyse differentg9 mnhrdf3f +; chemical reactions taking place in the cytoplasm. What function of life is demonstrated inh3g +9drnmf;f this situation?

  What do the two labelled orgaltuxi*wh ;9l-6mizp1nelles have in common?

  Which organelle has a double memb(gx 9jeei)ugr9fn6 ,krane?

  Which row in the table correctly identifies kb 18 35bgo58 xdms -qg09mkf8n hgnctstructures which are present (✓) or absent (×) in8x98bmkdsn8 51k3bofg 5q 0-ghtmngc prokaryotic and eukaryotic cells?

  Which structure found in a /euh ll+z )/xut3w,,/wpyjuypug) s4 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 about the stru6b;. i3yecd8 xhu/vhecture 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 a5tcv9lxcw.hy ns tmh my d91ky*1:*j;pparatus?

  Which statement(s) about cell structlmz7 u ,rrj8+zure 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 micrograph oddy73cab*gf0 jh lf11mzzu ;2n yn-uch12/b xf 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/zvdcctb/rj:ji) c.7 shows 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 prokaryot .9l tbk bio 6iq-rb0i e;0sydpr+b70uic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristicw0c0;jq)q w. yuemd jtv2 m6w 862rcyfs that disj m y6uvjt202wdqy ;08.w)6fccr qmwetinguish them 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 a f+x;k59 xs,knbjlmf:d d;.o qleaf.



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 .kg/u4n* wch pthe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which sues9hz6 qm1kq(wv 5g ucl t;+6tructural featu+1( 56mht leqkgzwuq s9;v c6ure is common to both cyanobacteria and plant cells?

  Which statement provides evidence for h h /i6 /4ys y8f2,l(bplkgzukthe endosymbiotic theory?

  Which part of the cell is labelled with the letter P(t-if;w8ym zy?

  What feature of chloroplasts provides evidence fo/n-+kn5 ajo: :/ w7tqu kgkoqrn/ vh1pr the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microzmfo)k56s* s1dggm4x ; swf+*j a8mvpscope.

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 ofzc+6xi),hm kbe-j; kr the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during x, bz;e kk6jic)hmr+-osmosis?

  Which process is most likely responsible for the origin of mitochondria as . eeio1rr: i,ee9) mduf)pw; x/q ;aaya eukaryotic cell org) e/;aaudw 1iqrye9r; : e,pfxi o.me)anelle?

  Which organelle is the site of ;g/azx+b0u /iox5 pklprotein synthesis?

The diagram below shows ar 8f9qg+: e q-dj,bvva cyanobacterium, 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 visib9m7 tsj vscr.su o h8h;y;3/htle in the figure below whose structure provides evidet 83s7/srh ; h;ujmcv9.hyts once 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 and multicellular ojeuj3mm+uyk 9;,8di yrganisms are correct?

Below is a diagram of a motor neuron. Neurons are the longes/ -zmkfa6j(b v3- iecrkx3nc1t cells in the human x j6/3z-i bk vrk ce(nmf3c1-abody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph-ogwy ; -ujel2 shows part of an exocrine pancreas cell. Which of the labelled structures is respons;ey -2lw -ougjible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, q6sz hc6if+ e9kuantity and location of genetic material dif k69+6ezhs cfifer 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 chlu kdet,;rtt1iio(. )coroplasts and mitochondria support the endosymbiotic theoryte,;dt). (c t1ku oiri?

1.Outline the steps in calculating the magnificati1p )o lgo.)qe:crn,+ie nx(ty on 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 cer)dvfyym z / cs: n ok9:h(acb,zl-73lll.


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 prod0,ew 6t l kc8/pw*m hnhbnr73cuce and release large amounts of carbohydrates. Which characteristics would you expec7c,6w*hck/ b38 npln wthrem0t to observe in such cells?

The diagram below sho w..bqc8kzud tx0+( rqws a 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 mitochondria and prokaryufm7v , vk3y l4u*,wni6ozq7 potes?

  What is the correct magnification of thft8 n1 z4ecz*f )czk*wis image?

  Which characteristic is not true for both mitochondria and chlorop lvtjidngczc- n65:-7 , yq:.ny dsy6llasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella ly/d*z kr36 u1/euf dxko vzx)8itoralis. What is the auzd*k)8e/xx z 3y6ov 1u /rdkfctual diameter of the cell in this image?

  The electron microgratw 36eg iqc 3v/d9qm56gvm: wrph shows an animal cell.

  The electron micrograph shows a sarcomere, the smalleskmx fk:/j3y)f,q 5aup t functional unit of striated muscle tissue. What :mf) af ykqxk3j/5u,pis the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membrayr05b3d,g h09fzr xrhr*us-w(mu 3: p6xd nhdne?

  Which organism contains DNA in exactlyjru */ (i6mwnrbng 3u/0i wwd( two different organelles?

1.Outline one way unicellular organisms can carry out eachvj z01+zpep0 a of nutrition, movement and excretiz 0ejp+vp0 1azon.

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 m)iuw6 dpe+.l iuscle from the two cell types showu)+i.6di lpwen in the images?