Which statement about eukaryotic cells is correct?tyl, q 6d+vtn;

  Which are common features of bacterjk jlx5-kh+i .ial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imagqo9ffb4e*p+ mah/ 2up e?

  Which statement(s) about the endosymbiotic theory is t+e3. f6enjxp o.ag fet:(n0 strue?
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 t2u;k(lc z w x hmdwn,.jmo.24a9dewo4 he same population of d4l, ea.2 .uz m9owwxwko2dnc(h4 ;jmcells?

  These photographs show the same section of a hu,1qzmevw* de3o/ .z pxman retina. What is the reason for the difference mx/*qdw. 1ze pov,3 ezbetween the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions tai3jsrai 2 4bs8king place in the cytoplasm. What function of life is des a sj8b34rii2monstrated in this situation?

  What do the two labelled organelles havs-2 e(,h wa,dm+ qylxle in common?

  Which organelle has a doubxx/ gkjw srf9b:x 25nsq-p -n9le membrane?

  Which row in the table correctly identifies struc6k*d4ck wx;/;by yt f)6fuceitures which are present (✓) or absent (×) in ey yb6kx uf*) wdcti/;;c46fkprokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membr7/sf p:sg m14a ufwo0qni6j p0ane?

  
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 structure of cells? 5xadtc o9 qhd,)w9t45n dv 0pd
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 a sv8s(sk+* sztt+8nbtpparatus?

  Which statement(s) about celx(pe-;7pq tz hl 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 m mce;n(qpks.z;:dcu 4 icrograph 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 +rgllu s7x. b*cm,, dg5dn 1uiE. coli 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 eukaryotljea;sd-r /b8 ic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique charac- m/g0zzgm olg,6;qtez. qdc)teristics that distinguish them from a6dm,em olgz/ g t-)qcq;g0zz.ny 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 through,m7dqf wul+ +f 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 bxnxzn:7 5fa9o+ x g)uand chromosomes of bacterial cells?

  Cyanobacteria are prokarv1ed,au w6vege: 6 o,iyotes that can perform photosynthesis. Which structural feature is common,vu6daev:go 1we 6,ei to both cyanobacteria and plant cells?

  Which statement prov;qewwyjdj-f. ,i 3 h0xides evidence for the endosymbiotic theory?

  Which part of the cell is labelled wi:hnd)e*a on6u,ewn znf.2 jk8th the letter P?

  What feature of chloropla1kul nab;m 4)9jztq0lsts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plamj)63pf rg;, lfqfc2 hiy7ax;nt 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 bactedfi63qqf9 na2z eql07 rium Vibrio cholerae. Which of the labelled struc qd706i3qnqffl9za e2tures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the originvxx atra))t vi,4u0i;7d ey/f of mitochondria as a eukaryotic cell orgt)7t0vi i)r ,xxfdu4/va e ya;anelle?

  Which organelle is the siih)vn3w5t h)ote of protein synthesis?

The diagram below shows a cyanobmz 29+q3 pbsvsacterium, 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 whose structure provuopwihdc p1(hk)9)x;n8 d,nkb4 9xh dides evidence for the x9 nphk1 d xpikhn9c(,d ;d uo))b8h4wendosymbiotic 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 mus7f( 2 ms/dqbulticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the 8 +u +1cj xwnu9/dxdfylongest cells in the human bodywcjn u8x9f u1xdy+/+ d.



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 pancreas cerowg.i,1 vq+hoe* +avll. Which of the labellei, a1orov.w+ vh+qeg *d structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetiu7akm6-kc 4zjwh* rf0c material. The type, quantity and location of genetic material differ between kingdoms and smckuk6j4fwa0 r h*z-7pecies.

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 mitochondriaw854uqpdkjv(kbs/h 5a - 6jup support the endosymbiotic theoryd(-wpu hv qk4 6kbups5aj/j 85?

1.Outline the steps in calculating the magnifigjtrf e:l)70,wqlr0e cation 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 b h-bhb,6 z-2l:esvd ua cell.


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 carbohydratv -twzfvk s0c6,)hy l-es. Which characteristics would you expect to observe in syv-ls c vh,-wk6f0) tzuch cells?

The diagram below shows axu2 3pg qp6rd, 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 mitochonp,0 3. kvpxf omy9morqw/9ca 1dria and prokaryotes?

  What is the correct magnification of this image?h v:f1r,.b0nusv5haj

  Which characteristic is np bffs7mpkl1: ln8o2 1 np(kn4ot true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cf v2gcbrepil 2jr/ 4g*+w8u +tjflm6:yclotella litoralis. What is the at lfpmjue24fw*:rl2i6c vg /r8 bjg++ctual diameter of the cell in this image?

  The electron micrograph shows an ani1jeh*m zv/ +*yr9)whqztvo3ry *7 qby+ d, lngmal cell.

  The electron micrograph shows a-e 2gt8n wj4) gf5.w k yh9i5hseyaq+g sarcomere, the smallest functional unit of striated muscle 9y+ n 5 gas)5fgiwh hy8k-e.gj4w2t eqtissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived froft+ b0iyn 4ho1m the cell membrane?

  Which organism contains D9ekmb 0ozhjeg4 p /psx,n5)6pNA in exactly two different organelles?

1.Outline one way unicellular organipk66vajz9 c gy-,i;2* g x tkcxl5vi9csms can carry out each of nutrition, movement and excreckigtcc zl56v9 *2 -pxy gkvx9 j6,ai;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 distinguishes fu m;hj5.kj2 liccp) ch6ngal hyphae and striated muscle from the two cell types shown in thcj .)clhjc;5pim2k h6 e images?