Which statement about eukaryotic cells is+ibj5lai9wj,k m)(gmxa5 :sxz4lz , s correct?

  Which are common features of b, cbacg7/;ka-a r8d rqacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown+g+tjn)cmu lgk g(q 4/ in the image?

  Which statement(s) about the endosymbiotic r36.9vqlz. 3t *llr hhowxaq q-kt t7.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 evidenceuu0 f3)khd zv7/ -anab dk.e2e that all life on Earth evolved from the same population of 2d.)fae3vu/kebz nk 7 -hu0d acells?

  These photographs show the i0y s;c9+zlctsame section of a human retina. What is the reason for the difltc9cs; i0+y zference between the two diagrams?

  Paramecium produces enzymes that catalyse different jnf5kx j0y-) 2p0 cjfichemical reactions taking place in the cytoplasm. What function )njjk5i 0 cj2xp0fyf -of life is demonstrated in this situation?

  What do the two labelled orgaxp8gzw-zf6sh hz(5 v ,5n s;nno8dey/nelles have in common?

  Which organelle has a doubfw9 jiyw12b 10gkk/4392eip cofr rsqle membrane?

  Which row in the table correctly 7zp7dg3d0r0r zqg,c s identifies structures which are present (✓) or absent (×) in prokaryotic and zd7 ,cszqg730dr pg0reukaryotic cells?

  Which structure found in a eps- keb4(hsajnh.8+6wcp 3mp ukaryote 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 lwqhqv1,nmkl. *, nmsv0 r9a4p.x y 2vtrue 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 wlg;jsg 7 pkr7 ktgc;wt/w 3*.not a function of the Golgi apparatus?

  Which statement(s) about cell struc8t2:g, r j2p pztrzww,t:j*hvture 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 micrograxk ak2jh*3w f9 p5-aogph 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. s)2 0hmu2g,2z3/o kn rszs1 nc aw3geb


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 prokaryotic celiqg/j0a17s ,*iw2zs9 lzl kjqls?

  Mesophyll cells are found in plants. Plant cells have unique charac(unt,+e/ rkno ncf0/a ap(n6uteristics that distingui/0+af( unonk np ,/c(an uetr6sh 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 th.w2( ux9; tj1u2c gkm mxhrnkrt4-m,y,7 gdwrrough 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 c80 a) sbk,btrthromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform goqy)85 t*r znvd0uw8photosynthesis. Which structural feature is common to bothg wy0t*dv8uz)nq 8o 5r cyanobacteria and plant cells?

  Which statement provides evidence for the enu(ecj0 1 oym2rj 0us,udosymbiotic theory?

  Which part of the cell is labelled with the s u* q9vbhsd-0 lw(sh+letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic ja*6 i-mhzl t+58viij05cqrtb7ci3 p md,,smtheory?

  The micrograph shows an imagekey;0g pjb fw 5(n3; wjn.a/mr 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 cell of the arazx /ry49/gp( (xdvbacterium Vibrio cholerae. Which of the labelled structur /r4xga payv(9rd(z/xes 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 a11jr skat /bn, eukaryotic ceaksn r1j,1/tbll organelle?

  Which organelle is the site oyny2- fh:r984 teu 5mvlmc5q (lzuo(nf protein synthesis?

The diagram below shows a c( ed 2uytyo wavw43 +(i6rl-quyanobacterium, 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 organel2 x;bmo x.rml rsj(9h4 n w- xd;wzt3k75+doxtle visible in the figure below whose structure provides evidence for the endosymbizr lwsbmd;dx5 o3w4k(o-x9h.n2 7xtmxj; +r totic 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 umc2 6lhss:- ) 6hrujqvlwo)c:nicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in thecf tqbfys3p l 1 6, a64kjbf9rfd,*/td human bff61q9bcft,ydld3r6a /f ,4p*j skt body.



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 anw;3xm e.ysmb0 exocrine pancreas cell. Which of the labe.;mbwy s 3xem0lled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locatiold8e66iby:jg 5+ xv z2ahs7f rn of genetic materiall s6 256v:f7j+gbhzxdei8y ra differ 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 chloroplasts a8omzz.jwc.)udt t q30oj8dk* nd mitochondria support the endosymbiotic theory.j.omzwj83u zct* d0kq do) 8t?

1.Outline the steps in ,)w4,m ru6 hqlb *fkhscalculating 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 cebw,nnd8 ,jdq se1t *q2 aau;f: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 and release largt:q d6pz 3ny9lpq*iw*5 ny8fg -hlg2ve amounts of carbohydrates. Which characteristics would you expect to obserh- 9pylnlz2 *:3qtp y f8gwd*v6g5qinve in such cells?

The diagram below shows a cell. 0cwbfwi:+ cae*q qq0 w2g;p(y

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 prjw ,:cb a0 3upf-qs(qzokaryotes?

  What is the correct magnification k j m(g2c cz94z9t325 x xkhc/y2qlrlsx,vz9yof this image?

  Which characteristic is not true for bbu t-w+ tqfy348 aejy3oth mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell7v0 tx-6buj ;+cn8lvpezay, s, Cyclotella litoralis. What is the actual diameter of the cell in thiss,;v7un86ty 0vla bz -je+cpx image?

  The electron micrograph shows an animal cesp4o 8z h r8c*ojp,uz+ll.

  The electron micrograph shows a sarcomere, the smallest lq;xvl42h)5hzrqgl/no 4lggp2; m 0zr 5fmo7functional unit of striated musc4 r4p q2h7;v/lr5q)lmgl xz0n fmo l o52ghzg;le tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membraqnalgtd/ hp 2z 33o.a20l, hx*3qynumne?

  Which organism contains DNA in exactly two dzy2 mgy0k s96lifferent organelles?

1.Outline one way unicellular organisms nku;l(nu im7a-ivm.2 fni.e* can carry out each of nutrition, movement and excretm la7 (.i-2unfev*; u inim.knion.

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 two celfm8 b33 cjrv gd 1slfqm.i 45fmyx6g37l t68ig3by145vdjfx mmqf.f3s mcg7l r3 ypes shown in the images?