Which statement about eukaryotic cells is corc1/t*ic;yk/* ( f7r kfmjcymvrect?

  Which are common features of tm16c1 /pkizybacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown /meld9 )hd: bbbwy(3m in the image?

  Which statement(s) about the endosymbioti*yzocr0lm 55/nt- 0u 7n wcxywc 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 evidencet/m da u4v:yae nehb eb52tfb,46v6+c that all life on Earth evolved from the same population of 5tbh mabena 6etvb/,v4e 4 fuc +6y2d:cells?

  These photographs show the same section of a human reih. e 3c2d/ps(,wzy74dqo cq qtina. What is the reason for the difference between the two di3e2iyz74 . wdq(qopcd q,c/ hsagrams?

  Paramecium produces enzymes that catalyse different chemical6 z4rq -o hhrvgc2)ah--u :akm reactions taking place in the cytoplasm. What function of life -2oa :rchv qzkh)g 64m-hrau- is demonstrated in this situation?

  What do the two labelled organelle5g2 1ibe32wx7vls yl ws have in common?

  Which organelle has a double membrane?fg2l wgz c96;r2czy z7

  Which row in the table correctly identifies structures which ab4u;s m+ql bo:re present (✓) or absent (×) in prokaryotob+4lu mq :;sbic and eukaryotic cells?

  Which structure found in a eukaryote has a doubj( vjs,3i ylv3le 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 tru w1 f2rpjjyr pwc f9junvk8,1 ).4bz:je 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 a function of the Golgi ap+0aod3a ,w1d,a hhlxbparatus?

  Which statement(s) about cell strh-s 28yfbb bz;mzn0 z atny16.wx)2rtucture 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 bl,:eezmg tc/- hood.


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 isw o gd(l x:+4qq6(3* +pfraxu budo6E. 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 eukaryotictdasvea(u clth;3)z,4 a3o y5 and prokaryotic cells?

  Mesophyll cells are found in plu. x*wfv*o5ol ants. Plant cells have unique characteristics that distinguish them from any otholoufv w5 x.**er 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 b. d e/ryga0f8a 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 chromosomes of bacterial 7xp elq1qq iqzogeo52k u2je*9+ a97 rcells?

  Cyanobacteria are proka.vlyv k3 (rya;ryotes that can perform photosynthesis. Which structural feature is .a(k3yvl yrv; common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbioti/b onp,*huw o1*zjxb 6c theory?

  Which part of the cell is labelleyde;t1iy 1bu .hf sc0)gp1 xl* awy4a:d with the letter P?

  What feature of chloroplasts pr/lnnbl e6btjtm,/n fq p3f.41 ovides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken wixsvs84p0 q 0g-a7lsqmth 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 belowhdf)y. 61o tg4xuesoc7: l fe1 shows a cell of the bacterium Vibrio cholerae. Which of the labelloeyc.) t1f6 uso7 e fghxd:14led structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria asc 4adi ra h/-on*2w5w ft;o;wj a eukaryotic cell ow4*ndrc;oowh5t-/ fja2i aw; rganelle?

  Which organelle is the site op )pbcogg(y92f protein synthesis?

The diagram below shows a cyannb1sw(tx u:m06z +rlu,9mclwobacterium, 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 visiblp7nie 81nv.n ke in the figure below whose structure provides evidenc1.vp7i8knnen e 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 multicellular organisms are cll m 8hi,),taw8 3pfzcorrect?

Below is a diagram of a motor neuron. Neurons are/ 1- m*ltfbefj the longest cells in the human body.le1ftbmj-f/*



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows parvc)soi4wv5 4p *w;rlot of an exocrine pancreas cell. Which of the labelled structures is responsible for the p)4wwc;lpirov5 4 v*osroduction of vesicles for exocytosis?

All organisms contaixffp -;mo:3rmn genetic material. The type, quantity and location of genetic material diffemfr3f-: mo;p xr 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 chlor pe,2g(1ncrgj7a8 tigoplasts and mitochondria support the endosymbiotic theo2 ,i1nc7g ae g(gjtpr8ry?

1.Outline the steps in calculatingm0x9e jgr// citpexa +b-*yt8hz t9 y4 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.fns k r:d4r3vwlhb7/b gn 31skn z6l8;


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 bwh; (d zk;kq3amounts of carbohydrates. Which characteristics would you expect to observe in such qdk ; k;(h3wzbcells?

The diagram below showhz +iyy/ 2kbo1s 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 97+a bmb2ccxym 3 ,bzes/;pah and prokaryotes?

  What is the correct magnificati(-*w a tzs2vmhstx6;c on of this image?

  Which characteristic iscrf .xe jr*4 ggf6m/4a not true for both mitochondria and chloroplasts?

  The electron micrograph ep7y9h ,za+/wq vgj q2shows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the py v+ezq2ja 7,g/q9hw cell in this image?

  The electron micrograph shows an animal cell. k) ,;r6. coa0pt8klcjf kb)td

  The electron micrograph shows a sarcome6/j2 fzea8z7 pj 9afhrre, the smallest functional unit of striated muscle tissue. What is 82h azr6fj fje/ap97zthe actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell mc7f/ 7sakxr 4bj 799ne wkhjl7embrane?

  Which organism contains DNA in exactly two diffe0enep,bqnu b,(( ake9rent organelles?

1.Outline one way unicellular organisms can carry out each of 6p;r7ct ajymu) rgqe3,(w: sg nutrition, movement and excretion.r c7 q: sat ;guewy,jrm(gp3)6

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 thexpha t2if/vm0)hy 3jr0ik*,z two cell types shown in the imih 0xz m vkf*r)/0ipth,3y aj2ages?