Which statement about eukaryotic c,mxw s r06dus2 crj*i 5zmv6e,ells is correct?

  Which are common features of bacterial cell8 )n;tndh6i3nw0 mhhhs?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is s 0e,zkb exyxqaq99z rx2 d93(lhown in the image?

  Which statement(s) about the endosymbiotic theory isbwf a q6ld ,5.sqky wc(1,er5i 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 o4;c3np 1 ts0jben/7iiqb)6jt d;p hq Earth evolved from the same population of cell p6sod)nji1i/q 40nteb37tjhp;cq b;s?

  These photographs show the same section of a human retina. Whad-l 95uy/3 ceo dn4udypscc 17t is the reason for the-/ 1sclo4d3ueycn9 c dy7d5pu difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical re; afm(a6xt5jo zc7:dv f5ru( lactions taking place in the cytoplasm. What function of life is demonstrated in this situatiox(az m7ff:vuc6 d orj;5 l(5tan?

  What do the two labelled organelles have in com a3w0/c8fbq3uc hi u1wmon?

  Which organelle has a doi+8luup o2,double membrane?

  Which row in the table correctly identifies structuresh ;.t)m ;tdv6s;zhwc t which are present (✓) or absent (×) in prokaryotmd zc tvt;;6. shw);htic and eukaryotic cells?

  Which structure found in a eukaryo wm0 87twzadj)y8/plhcqk4v8q-8fa dpgi .g,te 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 followi)j s ,nccn4kr622+ 6jpchlw qgng statements 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 fu 1i7 brn-1*sexblml+q i5mb q/nction of the Golgi apparatus?

  Which statement(s) about cell structure is/arn pl2pb1q z6re gu41gxe i;(0he 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 mv;agep*u 1pf/icrograph 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 c/g/qkv;q nk qjjg7+gwq 4m3 :uells.


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 fo xcku)t1 xg ,6ycxmv)5und in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique cha/0kc c7t ftm1jracteristics that distinguish them from any jc/fc 0t kt17mother 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 tran59i6/r;h cgx.ipcokmjp4dd ,tqq9u. sverse section through 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 analg2/m(kipz 4tb( v nl;; w5zxd chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that ca1nsiv4()mg d55q kgn kn perform photosynthesis. Which structural feature is commk n54sg)v q5n1 i(dgkmon to both cyanobacteria and plant cells?

  Which statement provides evidence-scpf /xtk5kt, mt, *v for the endosymbiotic theory?

  Which part of the cell is labelled with the letter ;4k mmi9eqz3lw1 2zie P?

  What feature of chloroplasts provides11g 6k bh9 ecb,pumc.mma8s0j evidence for the endosymbiotic theory?

  The micrograph shows an imag8dc eh5gpvf5l t3( 4fxe of 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 ceh+ ybfw:)vpj6 z; 2tnwll of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing dbw y w)jt6 fnh2p+z:v;uring osmosis?

  Which process is most likely responsible for the origin of mitoch3qe2/z,; ,k)nqgxvu tsm;jzd ondria as a eukaryotic cell;) e;j,k v2mtzgnz, x uq3/sqd organelle?

  Which organelle is the skh ,psw 7o*b+aite of protein synthesis?

The diagram below shows a cyanobacterium, Synecfc ybf- -qfa94z*ktyd+i: q f(hococcus 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 organell8(2vlpgq *eo le visible in the figure below whose structure provides evid8l2v*l(pe ogq 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 uniceew 3 ou1hdqzsp+n;15 hllular and multicellular organisms are correct?

Below is a diagram o: ) 3roimt,wqlqm13hnf a motor neuron. Neurons are the longest cells in the human bodyi )3lnm mq ,q31:otrwh.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows pm k2+y6+ qgy9;dubz hzduz zl+ jri*35art of an exocrine pancreas cell. Which of the labelled structures is responsible for the production ory+iqk5936 ;zz* byu+ zg z2mdduj lh+f vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locatioj 4 -zzjuw(b(zcr qaaazujqb395) q:2n of genetic material differ betwee4c jrz 5 zbq2zw uq:zq-)abja(u a(3j9n 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 mitocho+wgd5he h- o8cndria support the endosymbiotic theorygd 5ce- wh8o+h?

1.Outline the steps in calculating the magnification of a /cm(a (q+lg+r9e)bai0g f ,y lr nxuu5micrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows a celyq5y n 8gm5:acd) m4pcl.


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 amn8 eh5t2t5 /ij fq5tsyounts of carbohydrates. Which characteristics would you expesn y82 5tqhf/tij5 te5ct to observe in such cells?

The diagram below shows .jv0ebc3y )n uz)jdz 9a 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 prokaryotes uwk./gltjm 9 pch*s/0?

  What is the correct magnification of th8h iy *dvxybvq /8t2pkeqe/ cm.: rt(n8d;m1dis image?

  Which characteristic is not true for both mi p,beqy))+vk -ionp1keht.r.jv 2vqg ya ,k 26tochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What icb h m+8;avvy+s the actual diameter of the cell in this imav;b+ m +y8hacvge?

  The electron micrograph shows an animal ce wu*3dp:c+2sn k*yv1bxvp jr7ll.

  The electron micrograph shows a sarcomere, the smallest functio*-xzoaanxam+1- z+o i nal unit of striatez-a+ anmxxoao-+ 1zi* d muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by p7rn7s jp t49ka vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organell0k8u 6odm;nn pedg z/,es?

1.Outline one way unicelv9 zgh) srq*f1 m9op,zgo/ mt1lular organisms can carry out each of nutrition, movement and excvp m 1hooz9f*9m1gg/r ztq ,)sretion.

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 distingui a/.iq51h:x 1lvddx6gt-p ehlshes fungal hyphae and striated muscle from the two cell types alhv d6 q5dih.t 1px-/l1ge:x shown in the images?