Which statement about lm24y d8kbib* eukaryotic cells is correct?

  Which are common features of bacteriair3(,td7 kv6:c7 i6 4tzqjmwc ati nl/w/xk4al cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is3:jujct7u :y m shown in the image?

  Which statement(s) abvkr20wq k;+ noout the endosymbiotic 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 the same populatill/g sf9h 7ydwy1ah*oestnp 8- .+5rqon of /gwy9a7l+ dnl.pohsq1r8t e-h5*fys cells?

  These photographs show the same section of a hume2 e75ff3fs371b5mxqwwgo yz5qm rh)an retina. What is the reason for the difference between thy3h57 m2sq5w57qf o zgxwrfem1bef)3e two diagrams?

  Paramecium produces enzymes that catalyse different chemicg5)u likgh(eq9 ga8h7al reactions taking plaehgiq h)k958(g g 7luace in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in c 9 kmo4(-u(ggn0z pcxlommon?

  Which organelle has a double membranehx7 ja.(4 yd6n-ezgb(f spz)n?

  Which row in the table correctly identifies structures which ar(9rdl,aa 3 c6p oezv4/onm 1lre present (✓) or absent (×) in prokaryotic and eukaryotic l3n4 pa(aord1lmc zer,6/9ov cells?

  Which structure found in a eukaryote has a double membrdz6ox :kyq3 j+ane?

  
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 strb)l.axwrh.o tnb.4+vmhi 63 g ucture 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 ano1--i-eqa la function of the Golgi apparatus?

  Which statement(s) about cell structure is/are not trueg6 +)/anwq mkk?

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 of g7.dm2w0 8ktzt t 8iyxblood.


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.iy/gp:1mm1 wx;l3 ,mrvhug poigq kg2 cq245;


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 qgw 6 :vnltk -2z-sin-rlvo0(eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant (p vvss8,0dyh 8ubgax ;gl:;j cells have unique characteristics that distinguish them from any other cell0x;:s8b8dpvgg vl j h;s,yua( 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(/ szcrrk7r6 ;cg))e*2ep xq(aw r str 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 descr78vht8 efrp 7libes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Whik rpujm6jd in2e+md:t/20ah0ch structural feature is common to both cyanobacte d+/hdmrk2 0a mnu6iptj2j:0eria and plant cells?

  Which statement provides evideor3m7+ 7 geu -xctbel1nce for the endosymbiotic theory?

  Which part of the cell is labew5-vaj hxu0uunle)aq/ m -fl g86;w2plled with the letter P?

  What feature of chloroplasts provides evid4bsabb58pn;l gh,8uh*m)x an ence for the endosymbiotic theory?

  The micrograph shows an image k zc 4otxjx;m65 ty; lx3-5qys)i l*tcof a plant 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 o8(iqge yu p5x0f the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects theqgu yp0 i85(xe cell from lysing during osmosis?

  Which process is most likely responsible for the ori9q;-y pnr/z:kmdlgf: p a6o(tgin of mitochondria as a eukaryy dg:6p(-t:zr; /nkp lqo9mfaotic cell organelle?

  Which organelle is the site ow6m6s)sygy26ik c 0 gqy37i2* e xc0wislkdd6f protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus.sqjq4mg/ k. yhj9zr71a s: vf-

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 below whose structure provides-p o* gd1-tlix evidence fo-litp *g1- xdor 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 uhnfca -7 /wsmb-8ro-2 : bimrunicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest g3, bcds l4mma;wn. *kcells in the human blc,a* n3ws;dbmk m4g. ody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shx ;gcsc;hg3 r-ows part of an exocrine pancreas cell. Which of the labelled structures is responsible for;xcs3r-ghc g; the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantitxni71 eq n0s m(4c9kqhy and location of genetic material diff17nmx4snih0 9eq(kqc er 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 chlorop :ev3xj8rre3 p.w i9pq+by .3 .odbobalasts and mitochondria support the endosymbiotic ther3.9p..vxbae:83b iwqrojopy + 3bd eory?

1.Outline the steps in calculating ;tpj: rw xen)9c ql)1gthe 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. iuv/-fp a6er5


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 larggq h3i)4zn.8jk3j/mo(4 q cjacvzd y :e amounts of carbohydrates. Which characteristics would you expect to obserk3mq(d4:4 jyi8ahc/o3j q gc.vz j) znve in such cells?

The diagram below shgq;z 2ckuiogl,nj;xylpzxb +5+ 9 6e)ows 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 prokardk)z 3.s hosgzlgx5,:yotes?

  What is the correct magnification of thisw(exk4o(;f;x ;tk )xkyd 9hag image?

  Which characteristic is not true for both mitochondria and cvy(c grss80e3hloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Wha5 osnj lwp 9v02xc5c/qt is the actual diameter nop5w c9jx5l0 scv/ q2of the cell in this image?

  The electron micrograph shows an animal ceiw0 24f7 c kcb:rms8bdll.

  The electron micrograph showfc9oy*z), bibg3py9 os a sarcomere, the smallest functional unit of striated muscle tbozb fo3y9*9p ci)yg,issue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derivunh8qf;iv2)r-*r.hd wl q9l wed from the cell membrane?

  Which organism contains DNA in exactly two differeo9b. c q1pq8isnt organelles?

1.Outline one way unicellular organisms , lcc9q+ut-vz,c y2 elcan carry out each of nutrition, movement and excretion.+ ,eq,yzucc l-l2tc9v

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 fungalx3hw5fr6 zx.nz30 kh m hyphae and striated muscle from the two cell typem 5f3.wz06xhhz xnk3rs shown in the images?