Which statement about ayzx0 1+p(sf keukaryotic cells is correct?

  Which are common features of bacz.m ytnxv1pskqx4 4+ge 91m*) tct*j mterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? i30p4 qhi 0mxx

  Which statement(s) about the o8az: ks0uoj5endosymbiotic 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 populs h.mvw*4+nktyr:xu +ation of ce+ 4+y*khrwn:mux. vt slls?

  These photographs show the same section *ovvrh-n9su 3okc7/wof a human retina. What is the reason for the o*/9vonh3-rv7 wcu ks difference between the two diagrams?

  Paramecium produces enzymes that catalys x) re:nyhcc5.e different chemical reactions taking place in the cytoplasm. What function of life is demonh: .5xcn yer)cstrated in this situation?

  What do the two labelled 6m/o1y pbqd4ef-zjk ,organelles have in common?

  Which organelle has a double m rtln0n+x/lt5embrane?

  Which row in the table correctly identifies structures which arcvi+y:*yh aw9e present (✓) or absent (×) in prokaryyh*9iayvc :w +otic and eukaryotic cells?

  Which structure found in a eukaryote has ky1k 1f4n.dz- ib2ol vfq 8sf,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 s*gxl8mn4m n )p kyti88tructure 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 n w/3sabdaz.s+ ot a function of the Golgi apparatus?

  Which statement(s) about cell structure ifu/,3;lojj6,tvyg1b)rbk xgs/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 microig1hh o 0vu,aqevk6u.1c i+u0graph 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 showhjn9amcz,xb -f*gy5x+h) u 9bs 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 prokaryot4zl4 i 4kl8k mkdep2y2ic cells?

  Mesophyll cells are founc:r) k.tp,l tld in plants. Plant cells have unique characteristics that distinguct:,.rt)l lpk ish 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 thr td;j7io1x76mdw4jq rough 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 chromosomes of bacterial cells/:krrkeq4 )a u?

  Cyanobacteria are prokaryotes thatv( bdw;q26reb)e un-j.nq +sua+d yd- can perform photosynthesis. Which structural feature is common tobn.+q u a-j) d6r;bqu+vsdnw2ee d(-y both cyanobacteria and plant cells?

  Which statement provides evidence for the endosy 2gcypk4jfb gp1rr r9o0d06r 5mbiotic theory?

  Which part of the cell is lp0aod .ee)h t(7 ;yzxvabelled with the letter P?

  What feature of chloroplasts provides evtucl i-iv12 jonpxt 51d4f2 i2idence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell ta3u loyndu:;i3 0;ns w3 fv4olaken 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 Vibrio chol4yl pfnihtz :p)y,.3qt xho2* erae. Which of the labelled structures maintains the cell’s shape and protects t4ptozy:f* )lhx2hn .yqp, t3 ihe cell from lysing during osmosis?

  Which process is most likely responsible fo-lg-( b6tfzi+(rgbj u +hjq i7pu1a* ar the origin of mitochondria as a eukaryotic cell organea+h *-6a ql+i bzjj(r (ifu71ggt-pbulle?

  Which organelle is the site of prohc+ l8xw )f,uat )xadm- 6lbe/tein synthesis?

The diagram below shows a cyanobacterium, Synechoh x 7g.5irxrt ugyrbie,.2om,-ii 8-ccoccus 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 figure below whose struc-s/s90c f+s.oaikx4 maq4j dnture provides evide im+akn oc.0sf s9/4adj- q4xsnce 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 organisms ar6+* ahuq43hl9zklvvlv;0 a jj e correct?

Below is a diagram of a motor neuron. Neurons are the longest ca(fx/lkm9 z,cells in the human body./mf z9 ,lckxa(



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph sho;7jxb g 2yjx s.hvsfr)lk4 )d/ws part of an exocrine pancreas cell. Which of the labelled structure/r dk s)xhs2jb)jglv 7y fx;.4s is responsible for the production of vesicles for exocytosis?

All organisms contain genetic materxzc x*9 mo guq,mq qy1puf1n2. pil0(-ial. The type, quantity and location of genetic material differ betweenx1 12uc0.9- q qfm(iup,yogm*nzlpq x 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 sup yk8zo 1vfm; zfo59-83 shmrbkport the endosymbiotic theory? z8hb1fmzms59kf k o83-vyor;

1.Outline the steps in calculating the magnification of a fvmim* ,pue 88el2zxg4a*5cz 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 cellfumox-* ,q7ah.


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 p c6v:z;l(5il w6d 3awcrj5pxyxue.s-roduce and release large amounts of carbohydrates. Which characteristics would you expect tcx5y-ijlwz6s 6(5we:;cv l x dupa3.ro observe in such cells?

The diagram below shows a cell. rbe/wsu i+ 1** (-gnxs:c(gsesgnof -

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 botp5-c+1ayyegnkn 62 lxiz69av h mitochondria and prokaryotes?

  What is the correct magnification of th2j5uarvl kagdo+7** p is image?

  Which characteristic is not true for both mitochondyflb1* s53v3ue8e 8h09e d4lpr uqtymria and chloroplasts?

  The electron micrograph shows a prokaryot6nbcc4 l09f) if+;bzmxnj(h/9 f lj gvic cell, Cyclotella litoralis. What is the actual diameter of the cell in this(/ fc9xjnb9 j4nlzhfg+f6)b 0 lvim;c image?

  The electron micrograph shows an an. *k/;67kdd-l p pz/msdku; nyfnxcy*imal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of sfz2h8d0qti n )triated muscle tissue. What is the actua f8z0qd )tih2nl length between the two Z lines?

  Which organelle is formed by a vesicle deayrxzh ,)4d i4rived from the cell membrane?

  Which organism contains DNA in exactly two di6r kjreu:8.z 7j.ojut,x p.znfferent organelles?

1.Outline one way unicellular organi3z.lhs0 m i*ucsms can carry out each of nutrition, movement and excmcls i0*3u.hzretion.

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 str3 pr,zs tdrr.(iated muscle from the two cell types shown in the .3r psrz drt(,images?