Which statement about eukaryott yplz-8tna4 y6e io9)a4+vtoic cells is correct?

  Which are common features l,zn/5d ra*g fohm;4lvjfu4.l)o4a wof bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is showzvg0 v9sj2v ne-ftz p0vubddhg5 95;. n in the image?

  Which statement(s) about the endosymbiotic theory is xb i-bd1q2u.+kk- vj 2brhzg(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 allqkxh m6e647we: 1cq1t1c +co4n 1 h .bdceuybo life on Earth evolved from the same population of celo1 co1q h4y:6et 6 q1ubwc b.c+e14m kc7hdexnls?

  These photographs show the same section of a human retina. What iw x emp4o xex6011dk9es the reason for the difference6mx1 oex9pde04ke1w x between the two diagrams?

  Paramecium produces enzymes that hcg 5avrar4 40 e 3hx4lkkt6-vcatalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situaerkg4 lx4hr35v6 ktaca4 0h- vtion?

  What do the two labelled organelles have in comm *h7pedrlu8(0 s3k+,t1lbehhn q c+jkon?

  Which organelle has a double membran8*fe/lxe4t 64.a qzlauft x2ie?

  Which row in the table correctly identifies structures which are present (✓) day o lh(wj7o.p8gn / 9sn:d6vor absent (×) in prokaryo d vnoonlp 7:dy.ag w86j(s9h/tic and eukaryotic cells?

  Which structure found in a eukai)-uh-lxr*o c ryote 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 statementsd0: ia.+hll uh 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 g odkw2qsj7o:kf(5r5 a function of the Golgi apparatus?

  Which statement(s) about cevzx ab 24 w5z(;gb9hfsll 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 micrograph of bloj q p9iq4j;3elod.


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. coli11n.t /*uj.*wrxjm da y bije( 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 .s egx b d3yioq00zc30both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plantyby23g;+et/ab : .uhzgg 0ggt cells have unique characteristics that distinguish them from any other cell2bay+ggug:he /gyb.; z3t0 tg 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 throughl v6vgsalz7n 6i/3+hz 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 +c/2imjl . gcydescribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes t7w 7qv23whd w1gdr/y,1eyimghat can perform photosynthesis. Which structural featd 72g7h1e/ rwmdyigqy ,13wvwure is common to both cyanobacteria and plant cells?

  Which statement provides e o :(uji*05naujkf0gevidence for the endosymbiotic theory?

  Which part of the cell is labelled with t +/lkl 6uk8 i3dwxuft991;b y3gmueyihe letter P?

  What feature of chloroplasts provid-1-rxo)tqy( ic.)f ramd,rc bf4l nt*ai ae,1 es evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microsf vr) c5;(h1pgg al1j)bcasy/cope.

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 thlpo,dct 7 r(4oe bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during oslotpdc,( 74o rmosis?

  Which process is most likely responsible for the origin of mitochondr;ym 3dg( n0g gyizio9*ia as a eukaryot*; g(dz9img30go nyi yic cell organelle?

  Which organelle is tcy6olcjopc:(i zsp;h;+m )py05 qn e0he site of protein synthesis?

The diagram below shows a cyanobacterium, Syn4s) ,vfx9,xa8wajcmb echococcus 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 u3i g1ds lwp+*)uy;m jx.op jv+,yd2d the figure below whose structure provides evidence for the endosymbiotic theory. * 3i w1du j +,msdy+p.;p2dgol )vjxyu
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 are corizr+x 0nx2+fqd zmf:1rect?

Below is a diagram of a motor neuron. Neurons are t/qtby0e 7zch c 88ki0ihe longest cells in the human b0c0ie /7bq kzih8ct 8yody.



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 pan9jovky 8*h 7wv)5o grwcreas cell. Which of the labelled structures is responsible v 5r9wgh* w8vo)yjk 7ofor the production of vesicles for exocytosis?

All organisms contain genetic material. The ty i*izs d;p1s7tpe, quantity and location of genetic material dif7zd*sp ;1t siifer 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 and mitochondria support the ei2:n:hvi +utiq: wbasv3 reo ,3- 2lwfndosymbiotic theor v 2 s-:ilea:f2ioib3wru,hvqwn 3t+:y?

1.Outline the steps in calcula 5owhm 9m8fmg *7-qzpfdr.a5hting 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 cell..3 dea4w f+c:mrxrm4 (gtp4j;m ml,jj


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 pro)n uka99 ,oa5iz(cal gzj bl ,bv5s49qduce and release large amounts of carbohydrates. Which characteristics would you expect to observe in such cel( 5li)g,nalaz9 z99skjbo4v acb5,uqls?

The diagram below shows a c dxfc4iw8 8wnmk8)0fr 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 mitochrkneo fv3 ud9zq6x3o7(v50b fw0iwe (ondria and prokaryotes?

  What is the correct magnification of this imaxi4k ys c()j8,k kwtf)ge?

  Which characteristic is hj o+q3 p55rlfnot true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cy3sw02k o klsa4j,h6mnclotella litoralis. What is the actualka3njl,62 kohwsm s4 0 diameter of the cell in this image?

  The electron micrograph shows a 25smoum5edc2 n animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of stri-w9vly 9gffgrg9*h .y atv-*grf 9g .fygwh99lyed muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell mie- i/)1wxp wl.si5tvembrane?

  Which organism contains DNA in exactly two different orzg j8kx+eaen 9.(y a*yganelles?

1.Outline one way unicellular organisms can carry out each of nutrition,1 wpsttk7 )bel.o6 q 2(kt2bda movement2b)t qktep.lk(1dbao7 tsw2 6 and excretion.

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 cell toh+ykwb* ):go ypog *by) +w:okhes shown in the images?