Which statement about eukaryotic cezylq 5 w 1rhj; ppk)8u8zs:6pslls is correct?

  Which are common featunh ;1ehu,7 qi 1 k3deakv)q,jures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is sho2)m cz/zjj k6*p;y58jkwsfnqwn in the image?

  Which statement(s) aboutbhs:f0s79z8; nwp tcm 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 evidence that all life on Earth evolved from the same 7x*gmla.v o;p population of c moal;xpvg*7. ells?

  These photographs show t f0j8iworlc8 /he same section of a human retina. What is the reason for the difference0/rfic 8 8wjlo between the two diagrams?

  Paramecium produces enzymes that cz r9:.8s fhwzlatalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situationz8sl f hwz.:9r?

  What do the two labelled organelles have1ev91 )b2whb *3xxo*yd/r brgwl ooz7 in common?

  Which organelle has a p. wen hyg-:kku9, z*adouble membrane?

  Which row in the table correctly identifiuow t543l;f ales structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cwo altu;4f5l 3ells?

  Which structure found in a eukaryote has a double mjc4csb 0g vvp8:kjt0;embrane?

  
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 struc:xu su.z*epi1kv6 mf 2ture 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 function of the Golgi apparatu/ 3g)t8ayk e/t rdyvbg up51fm)1fm7e s?

  Which statement(s) about cell structure isfbw,mxp :zn;sqtp y q-eb6,(6 /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 h gn-2i ,5og )n*,aqkgs 1qftpblood.


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 .t23mfyc(ux6l( vlnscells.


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 vl zpf( h2wb(e/ m/3mmboth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plant;ql-ctm 23e c4)bl8fe sfzhz*s. Plant cells have unique characteristics that distinguish them from any o cffcth4*bm;lez3q s)82ezl-ther 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* ftx*f uyfb36 transverse 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 anxg1 77iv.ic8 8s5d ug q8dpxpsd chromosomes of bacterial cells?

  Cyanobacteria are prokarc 0q wat- 5iq5kvl8m5myotes that can perform photosynthesis. Which structural feature is common to both cyanobacteria akqm w55q8 0a-vcmt5il nd plant cells?

  Which statement provides evgmovbb)w ;4)k idence for the endosymbiotic theory?

  Which part of the cell is labelledx fj7;:xp ua6p with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic theory s3bfsckb5) -c?

  The micrograph shows an image of a plant cell ts 9tjeald,k.emac 0+ u+t, /cbaken 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 bacteriumqbvh4vn7. q1gs*,ls1a ndmdc -4ff)n Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from qnd-a m svb 44fg nl*shfcvq,1 )n7d1.lysing during osmosis?

  Which process is most likely responsible for the origin o)e*dazbb(12 ct bp9 hff mitochondria as a eukaryotic pedhba) b tz9f2 (c1b*cell organelle?

  Which organelle is the site of protein synthesn 2i q(0s emesnew6pja -d,b51is?

The diagram below shows a cyanobacterium, Synechococcu 2fjuf-0x ,x2yqtonp-gxb* 2ps 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 stru0y m uqvs6j.2x .goget3 7ks*ucture provides ev3jg6k .yte xou0uq7 m.s2gv*sidence 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 mu7 )rsg6km )),cc,-pf hc 3oyi e4btrk65kw uavlticellular organisms are correct?

Below is a diagram of a j/wk *-mua4jv +4hjcnmotor neuron. Neurons are the longest cells in the human body.h+kv j/ju jc*-mwa44n



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph0 kqx4 v6hvzm+ shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the provk 4v xhq+6m0zduction of vesicles for exocytosis?

All organisms contain ypsyf **h-s :vgenetic material. The type, quantity and location of genetic material differ between kingdoms and species. hyv:- pfs*ys *

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 pq,r 3jd hp; 8gz/lo0v-iumdy +gz9wvama;5 8chloroplasts and mitochondria support the endosymbiotic th,plz oarvv 3g08qdm; u mdp;/i-wzhjg5ya8 +9 eory?

1.Outline the steps in calculating the +issjn -r6kz9w p.)d g*dtb(w 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.ht1j(nx2 s)oaucq7 8iqcpn , sw35tq3


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 larjkops- kfzvftf ,:/h82s bg /r.b:in1ge amounts of carbohydrates. Which characteristics would you expect to observe in such cel1pffj/2r s bsz8-/ti k:.okbg vnf,h:ls?

The diagram below shows8,g9fi0 esiow a 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 prokaryo1b,cg b1v+ubjtes?

  What is the correct magnificasrrurr)q)bf2( jd i:4tion of this image?

  Which characteristic is not true foetthu. k mv;7sf9e(u3r both mitochondria and chloroplasts?

  The electron micrograph shows a pum rm -u9*ep*frokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in thisr puf-u9 mm*e* image?

  The electron micrograph shows an animal cely u:f9,j jva8pl.

  The electron micrograph shows a sa8 p0b thho4p)48pa,yopwdjk6rcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z lo0o86ph4wpkt y8hdp p b4ja,)ines?

  Which organelle is formed by a vesicle derived from/ o mk) 0 6;dmn.yl:rxzhtghl5 the cell membrane?

  Which organism contains DNA in e.z5-crttj- fp40 ty w nl55jm;g (w6py6bxqtzxactly two different organelles?

1.Outline one way unicellular organisms cadk -u.6syxappj;g-7 gn carry out each of nutrition, movement and excreu sp-kj. dg6gyx7; pa-tion.

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 distingugu+h qmpo369 dishes fungal hyphae and striated muscle from the two cell types shown in the imageo 63+up9qdhgms?