Which statement about eukaryotic cells is correctswfn( pg0o 8;q?

  Which are common featurea d9apnhhvf+ x 1u19ln;8 dql*s of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell iskd,c5ity)+g : xsl3bp shown in the image?

  Which statement(s) aboue8yo i*a0g oi *ef*sg 7kqr,5ct 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 populail6r fbxbkea 67rr /),tion of arlibb,x /6ek6rfr)7 cells?

  These photographs show the same section of a human retina. What is the*hvtc7.*13vurtqcey*ke*szgu 0gt 7h-ak o: reason for the d*k7ag3e et0y* 1z gkvcvco tt**uh -7.sr:hquifference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactionsyg;/ q7phl ,-2rip xmj taking place in the cytoplasm. What function of life is demonstrated in iy7;hpm/p2jg-xrq,l this situation?

  What do the two labelled org;t a8 7qhwp:zwanelles have in common?

  Which organelle has a double ;g f2w8xn-qyerk/-; 3d ,djn4mhtj ryfc)e s2membrane?

  Which row in the table correctly identifies structures which atc)2.uoeq :u zre present (✓) or absent (×) in prokaryotic and euka)2ou etzqc:. uryotic cells?

  Which structure found in a eukazlzv5ic- cs:)*5fl ajf 1, vqoryote 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 true about the stru.il/ +vp(v,o6m a 8q5.(cmbnnt9ven v cco.escture 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 notxnt*3/jy bygwy; 0 a/z a function of the Golgi apparatus?

  Which statement(s) about cell dn u8/ pp7ue.:3h nwlkstructure 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 mxqroe,f s m2ua+1,j-a e1ml2licrograph 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 celleqzg7 f 7av7y0gbo; -os.


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 eukaryot ;3vjr d5;agncic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have 5+e aflq qjz:ua2k74nunique characteristics that distinguish them from any other cell tyuzefa jq an+q2kl:7 54pe.

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 throuk11fw18v fv wv-uovi*nm oxb t:g44n +gh 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 Dzo).bg ghw6pz76tw 8q +cbzy(NA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesrora7 tl1f w-;is. Which structural featal7 -;w of1rtrure is common to both cyanobacteria and plant cells?

  Which statement provides e mm7.jjb.c3 0cl7utrb vidence for the endosymbiotic theory?

  Which part of the cell :ibqn 1vnp)ehr7 pjmsw+ 1,u)is labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic theory:yc q,wexp*e sxy*1k,jlt6 (z m9/ xpklx8 h,q?

  The micrograph shows an image of a plant cell taken with a 1 xg 0wn: pe,e)o+qr g(.of zpo56 pqky-9jzwglight 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 bacter,o 01ma wln) enhr;t72k fnm8xium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and prot8m xw2 )a,mtke 1rl n0ofnh7n;ects the cell from lysing during osmosis?

  Which process is most likely respon5 rkv7c d q. 7.bj;zpank2p2ktsible for the origin of mitochondria as a eukaryotic cell organelle?tpqkp5z kcd2akr;2b7 nj7.v.

  Which organelle is the site of protein synthr )/fek9)kvfs ).e eev;htj8yesis?

The diagram below shows az .,v 3vmc0vnan.7av igs (n0r7plfq* cyanobacterium, 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 whob5(ephrt j,c;v n-axk7/*p5 g +xwrmose structure provides evidence for the endosymbiot 7x5cpj,+5ngbr; p*-xhvwamk er(to /ic 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 mmcc)4 vxdbru .sc +i00ulticellular organisms are correct?

Below is a diagram of a motor neuron. No/jxnc -dzahh8mk;*p 4g 9bl9kh wxhdx;. *9yeurons are the longest cells in the human bod; b 9dl8*khhj9/z9mdy4o.;hxhxgn*-cx awpk y.



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 a vfsw69zx) nh.;;i+h/k myn fun exocrine pancreas cell. Which of the labelled structures is responsible for the production of ve k6fvnn h) /sh9iy.mf uw;;zx+sicles for exocytosis?

All organisms contain genetic material. Thejuwil f2 j11f. type, quantity and location of genetic mljwj11 i.2ff uaterial 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 and mitochondria support the endosymbiotiq9m de(ltb7szea: ;s*c thme *dba9ztss(:lq e7; eory?

1.Outline the steps in calculating the magnificationmj+1uodi4.a hzyyhl*+5qi pwhgp;/ 8 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 celx)9edpk )wf4 xl.


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 y+4gx n..xyl9 0x+* yviyes fxrelease large amounts of carbohydrates. Which characteristics would you expect to observe inxygsxy .yv49 .+ynexx+ 0i f*l such cells?

The diagram below shows a atq tkjesk9.;sot.bk3;/ r*ucell.

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 mitoch m*o;.edes. pzondria and prokaryotes?

  What is the correct )h*e ,sly9ud4k3.tqo pa 8ko imagnification of this image?

  Which characteristic is not true for both mitx;q cnc6ei /k ./xn*,wxbk4xc ochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella:f 14yk3bk mwx mvm)5a litoralis. What is the ac bx3m 1wy:m4v)5makkftual diameter of the cell in this image?

  The electron micrograph shows an animal cellr4k t a a/(2k*h (kkdusj:dfl3.

  The electron micrograph sh/v)vlmb: qg7 eows a sarcomere, the smallest functional unit of striated muscle tissue. What i7l)bg/v :q mves the actual length between the two Z lines?

  Which organelle is formed by a vesicle rwfilrf38ky ny +a)0x+n,qf :derived from the cell membrane?

  Which organism contains DNA inll* qn2xhwrt)v3zkptdfp6/ :p q 7p/ 5 exactly two different organelles?

1.Outline one way unicellular orgnoekaec)ug1,+qsnia 131 7yn anisms can carry out each of nutrition, movement oe ,gyk)a + ei1u31q 7acnsnn1and 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 .ft 9efhd 2mzegc8 j:3fungal hyphae and striated muscle from the two cell types shown in thezm3gheetf9 d fc2:.j 8 images?