Which statement about eukaryotic cells is px./qs, tw0 onk*cvvsk:11exrov wr)86of (bcorrect?

  Which are common feat 4s /8wqbglrtl6p4 r;7u 4vpbxures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imao j a.g8r)7ojbj 7xk e3iid+0hn 7yz4bge?

  Which statement(s) about the endosymblq8mq9ix9gd 7c:zjvy (;))d eo yh i,jiotic 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 thhb2 /n)- 0irsdorhr: 0tjw xk5at all life on Earth evolved from the same population of cellsoj5b2)rh d rts-iwr0/:xh0k n?

  These photographs show the same section oti *)wm 6bsg c*1a/vzaf a human retina. What is the reason for the difference between the two diagrtw ma * /1*bi)agz6vscams?

  Paramecium produces enzymes that catalyse dspe2sxc8re7 ng l 7/(jifferent chemical reactions taking place sec esnp7gl x/(j87 r2in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organell/ n(gwa,jk)y9 a7uyzo- .uozdes have in common?

  Which organelle has a double2( wzn56bj )uri1a qej9fzl:i membrane?

  Which row in the table correctly identio7h;kka8tp 2l0 bd(cnb 7nk7mfies structures which are present (✓) or absent (×) in prad;27pnc 7to nk7h0 8bmkb(lkokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a doubrj/fj2 pn)- cmle 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 str.a 1mnf6ohhx z9ep/8 eucture 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 no7- yjp9ipjcgqr/. 4 dmt a function of the Golgi apparatus?

  Which statement(s) about gf uj-,) d0*dxlc0dttcell 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 micrographq *7x4d0 )mu (buzxl p8y8qocj 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 cells. pwp .m 80w,k;.lxtinzdc;rl9s ;9at y


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 prokarh:ws.e+jm 0d;lt nrm7 yotic cells?

  Mesophyll cells are found in plants. Plant cells have unique chh3h-adcta 2s9yi4pi8f df): paracteristics that distinguish them from any other cell typs)ht 49ff yci3h8 d:-d2ppia ae.

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 t m /om)8*obwfjhrough 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 chrold;l,i zb -bj6mosomes of bacterial cells?

  Cyanobacteria are prokaryotesm/sx7j2 3 o202glz ml+tddgva that can perform photosynthesis. Which structural feature is common to both cyanobac sm/ g2jzt7dml2oval d 320gx+teria and plant cells?

  Which statement provides evidence for the endosymbiotic :sltn g/iv *e6theory?

  Which part of the cell is labelled with thh ,tfr n,f:qyl*kxjfsq ;68y 7e letter P?

  What feature of chloroplasts provides eekk97a) ns4epvidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell ta7:eh ny .ao4yzken 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 Vibrioys1 -q 2ot2jms cholerae. Which of - s2s1qmo2y jtthe labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a eukh: ovi qx(+yrwxnw6be d0*0)earyotic cell orga )eh+ q6:0r yi(dwox*b xwevn0nelle?

  Which organelle is tc h03yf q-tq2j.0g /hp*qnjv che site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongata3idyz u*p l/ kdq 0;vlk*)-wlus.

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 bex.z5 ,hun c j, .wff6aw1z9vduta+ t0,snex )rlow whose structure provides evida,t5z6nrwencdf) xxj.uha9. ,fv t+ ,s z10uw ence 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 muldlaga-b2 tu/2a1 ljd:ticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the humanff tk0h8y.. 88z zr9lxiwzk*k; zs)m) um(vsk b 8mi8)l( fz8yh 0kwkz.ss9vzrkz.xm futk; )*ody.



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 exocrine pancr bdhl.*u9ij.sp /sijp*65szwp.b b2 yeas cell. Which of the labelled structures is responsible for the production of vesicles for exocyssdp/lii*.jsppu5y w zb9j 2 b..h *6btosis?

All organisms contain genetic material. The type, quantity and1kulorm p(;3v location of genetic material differ mop1 ;rlk(3u vbetween 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 the endosyar yyi35 . (0lbfqkv9tmbiotic theora qk(5r9 yl3f.ytvi 0by?

1.Outline the steps ink;u, .g z;zlhp calculating 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 cej6ggenwru e (vl58)p(ll.


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 v3 oq5gnm:x,me,lu :w,rym,p and release large amounts of carbohydrates. Which characteristics would you expect to observervuey,l:53gmm:pqw ,,mox,n in such cells?

The diagram below shows a cxg-dvy ;3uqc ht)v1hdox -4z8 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 mitochondriabj0 65xxbsvf 9 and prokaryotes?

  What is the correct magnification owch/) d21pd2q yaa l;rf this image?

  Which characteristic is not true for both mitochondria and chq*u1/j a7 g4wmf-fb bbloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoraliw6io52g1 meck s. What is the actual diameter of the 1e6cgkw moi2 5cell in this image?

  The electron micrograph shows an animal ce s2o:4h bz)z 2tc k9hu/mze6bdll.

  The electron microgr53ke3xyimmb;9o l a:;u:bj i iaph shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Zobem ailm ;x3:3k9 iubj; iy5: lines?

  Which organelle is formed by a vesicle derived from the cell m(shkz0c lm; bq2/j g5membrane?

  Which organism contains DNA in exactly two differen:4tr7a332j2rh d c3sp ue olgrt organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, movemi. ybd: sck2r.38jravrccor5./:ztt ent and exrcr:o kr/djbcr .v y s.ca28:.i3z5t tcretion.

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 the t ekp5ox52ycswh8m e.: wo cell types shown oh :emx es55ywck8p2.in the images?