Which statement about eukaryotkumx0* dqd,*yqrwn9 *o8 e9kcic cells is correct?

  Which are common features of bact jab-c n4ry( epy(olg/ r5y9wop+;yj2erial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown inqt2zc+hos 3;e the image?

  Which statement(s) abou3eokd48q pdzd re .u3*t 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 evidenc:j3jcb 9z g u :zdu6li3e/b)vg;gb ,owe that all life on Earth evolved from the same population of cog3jl6zzbb:/ jeb9 g;u):,i cudgv 3 wells?

  These photographs show the same section of a human retinatf+hp(p6 pis+. What is the reason for the differen(s+p+6 i phtpfce between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical react w01m5;va/u/flrf9 f*aecxz iions taking place in tazf urcem ax /f *1vf5li;/9w0he cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled orgajgvg-1y hh;cabxm2ynx6-- y-nelles have in common?

  Which organelle has a double wjmxyi *( p 3p t;t3lf1a1t;ttmembrane?

  Which row in the table correctly identifa rq+ y7wpf1u36prr.cies structures which are present (✓) or absent3ur7 c6qywpr+1.pa r f (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has nr--x8s,3/d dzkb sx ra 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 str p5ao28krbw2j * dvvd0ucture 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 followingt9gjp .e084 /ovrco6;b j7rfb1hagps is not a function of the Golgi apparatus?

  Which statement(s) about cell strsy: t6w d q5*rqkohji)i :; h:wq6ht:jucture 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 b1m6i*zmt l;qa lood.


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. coliy1,c 4p,43m hbmj gx5lsydd:b 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 eukayy9if5dc ,qh;ryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells han5zzs;0+y3 x g 7dmrnvve unique characteristics that distirg ;7zv0y3zx+ndm5 nsnguish 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 transvers--lr*lr , wylw+8lz.; 4w bx lhi8tkpze 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 and chrom5jg 60dw0/m. abvsd :k6dqj p3ev:xo nosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform pho+ hu*sqny l2(ctosynthesis. Which structural feature is common tnh* uyq (+2slco both cyanobacteria and plant cells?

  Which statement provides ev k/ueulm :/a22lfq1bgidence for the endosymbiotic theory?

  Which part of the ce) qjtny68-7rzs1gk 5e e scy(0vd jat,ll is labelled with the letter P?

  What feature of chloropla u if:asq/c/+tsts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light micc86mv839vpkcbql7mq6ce0 kf p:vby - roscope.

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 yi(2pi :k5udigy 8rv8 a cell of the bacterium Vibrio cholerae. Which of the labelled struckyv ip88ud 52i:irg y(tures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely resp fngrt6ri+i 8.onsible for the origin of mitochondria as a eukaryotic cell organelle?r 6+itingf8r.

  Which organelle is the site of protein j/xyz4or jhl :ktn;64synthesis?

The diagram below shows a cyanobacteriuv) p o1bm3nw,,/lh+lpg xa 3ya-;yambm, 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 organelle visible in the figure below w9 9am h1 k+y(ntkz0w5qq*ujnwhose structure provides evidence foytwz9hnj* 5q 0kqm9a 1u(w+knr 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 unicellulae:.t/zg+eoihmim -19j hyj+ji nxd1v9. ,wwv r and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest celv2wv8q;lu *k wc ;pbc5w8-p1d fbe 6qkls in the humanq;db1v8wpkwv2lf6ceqk 8 -; * u 5bcpw 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 an exocrine pancuhbp*xu,85f kreas cell. Which of the labelled structures isu bu8xp,h 5kf* responsible for the production of vesicles for exocytosis?

All organisms contain 0dpan1m9 q- a* m+7mby- bvzglgenetic material. The type, quantity and location of genetic material differ between kingdoms and s9mm--gl p +nyvaz0bq7d1mb*a pecies.

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 trz5vxmh nsgm/ /o7:a, 559m v+jbaiiohe endosymbiotic theor5 sa ohag:mn/ozm+j,r 559i /vb7ivxmy?

1.Outline the steps in calculating the magnificationw n;zhr(qiiheu 7/5(h7qjl sbr 4q:;f 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.9wb(2shz mb)y


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 amounts of carz+k hd+9(76rcbe mnj22k yc g2aez1 uwbohydrates. Which characteristics would you expect to observe izh271mbagc 6 9kd(2j2z+nr +ycue w ken such cells?

The diagram below shows a cel/o+kw 2hx jxqfv(g-zr y1 1kj6c y;q1jl.

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 8pwnvemwaq87 sn60k7and prokaryotes?

  What is the correct magnification of thj6: fm9k(venn is image?

  Which characteristic is nozb:2-w d)f a8kjakn )zt true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryot84ya t9m,d 6qwoa * nna/-znsug8tp ;ric cell, Cyclotella litoralis. What is the actual diameterr*,pn8 n a9m4;gonaz/u6sda-y tqtw 8 of the cell in this image?

  The electron micrographbu6bv5ujz .8 i shows an animal cell.

  The electron micrograph shows a sarcomere, the p-;w1 um p+msjg wu1e6smallest functional unit of striated muscle tissue. What is the actual len 1uws e+m61j;wum gp-pgth between the two Z lines?

  Which organelle is formed by a vesicle derived from the q 6 -k*ye1llpin61fbrcell membrane?

  Which organism contains DNA in exactly two different organellet.j2 g3z)j8awb)ikrd s?

1.Outline one way unicellular orgabau5ul36fj1t- hmk d.o+y m ouw/ a/i2nisms can carry out each of nutrition, movement and excretionuayo fdb tmo /mu ah2-w3 61i/+l5u.kj.

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 f+z,xgl4fv7l(5 imr yhungal hyphae and striated muscle from the two cell types showfli,gml +4ry xzh(57 vn in the images?