Which statement abou0 iirq7skx .16fu;g kzt eukaryotic cells is correct?

  Which are common features of bacterial cel 8hrfq0k0vgk 7qji7c0ls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell ispii)hlxe 5;b: shown in the image?

  Which statement(s) abp voa + s 9li8acs-i9s)7+gmcsout 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 Earth8p1rqxdwod.m3 t8zb z3 1o 4qkn)3jyj evolved from the same population of cells?.d3rq1kzjonj 3yxmwo 1p48z )3d qbt8

  These photographs showyvl8.hx59ddhrx,z4 ( fapq 1d j:;b bj the same section of a human retina. What is the reason fojvr9pxab j ,18y ;zd lbdx .f4hd(5h:qr the difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemic7+ , sfbvbi 9i.:kmxcnal reactions taking place in the cytoplasm. What function of life is demonstrated in this : s9kimixb nvfb 7+.c,situation?

  What do the two labelled organelles have in cgbf +(5 qv:wzmbea j,2ommon?

  Which organelle has a double x egw 1fnfjvc+62/5x y3(jh vdmembrane?

  Which row in the table correctl4ji)ub;e k1b ny identifies structures which are present (✓) or absent (×) in prokaryotic and e4b i1 n)jkeub;ukaryotic cells?

  Which structure found in a eukaryote has a double m9t1auui cn3ukry* 3o6embrane?

  
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 opap; wcj6y27hk ecq7)f 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 apparatgsb9 swk* jy za70m0sas5,q1aus?

  Which statement(s) about up( tw7tt (wy aq9)p+r4y-ooncell 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 microg:7z+ lyzxbcx)jib 8g; raph 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. cozr6mnwq2m-wxfl +kx71:2 f 9 ak7mhekli 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 eukaryotic and(5+:gb 5 ufd-qbpuxr m prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics tg x:imd.hn6 lkkoa5b/h-z;7 bhat distinguish ;d khb5ox6m7gh-lb i:/kzna .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 transverse section through a a -l j-z4r7-pmx cw8t2idi2iqleaf.



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 chromosom9q 9,g zyo5(.mehebgj 5 virl8es of bacterial cells?

  Cyanobacteria are provh u ao-d,r9t,karyotes that can perform photosynthesis. Which structural feature is common to bot,rh,-o9tdv au h cyanobacteria and plant cells?

  Which statement provides evi iq-h.2)vw 5cjfkduv6dx8n )ldence for the endosymbiotic theory?

  Which part of the cell ik5cf7a7xu x6ga te f1:s labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic theoro efl o1dzr;mf3*g91 st02e2kr*ctq wy?

  The micrograph shows an image of a plant cell taken wa ),-mb9qp6i ccyi:jxith 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 cellmlp*gzf6 c(n ;ro1i1w of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosiwciz* rp m(6g1l;1ofns?

  Which process is most likely responsible for the origin of m.k3v7mjgkjycp6ur;usu ep w6-j1 i35itochondria as a eukaryotic cell66j1ujv u.mp-r53cwukp7e sjyk g;3i organelle?

  Which organelle is the site of protein synt p,sf t1; ,dgibvfi2a y,,.olahesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus.-fcjwg7+y6qol .k/(b ny 3qjy

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 bv/v :xhtazd;.elow whose structure provides evidence for the endosymbid :h;a/. xztvvotic 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 a8 gp- li9yuhat-ruh;.nd multicellular organisms are correct?

Below is a diagram of a motor neuron:xqvz ,cxe c7*z8eu+n. Neurons are the longest cells in the human body. ,v8xq:7 e+xn ec*zcuz



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 pancrea+ *7myx0(feo aws)o bks cell. Which of the labelled structures is responsible for the production xyw(+sok*)0fe b oam7of vesicles for exocytosis?

All organisms contaif65zpuy) f ln1* 6bliln genetic material. The type, quantity and location of genetic material differ between kingp6fl *z65 b)l1nliuyf doms 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 mit*c,c2 tu5ptnfochondria support the endosymbiotic th*nttc5,f ucp 2eory?

1.Outline the steps in calculating the magnificawtla.:qkq fqzk)x.c d7c/ .v08bm c0dtion 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 cx 4 0ab-hbw5wot1x8auell.


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 cepc a- .pmqg50qlls produce and release large amounts of carbohydrates. Which characterisa p05-p.qqg mctics would you expect to observe in such cells?

The diagram below sho-;2t lajxg,yx9 9c weiws 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 pn ocuq7xm8 ,+un4 wv/effe *9crokaryotes?

  What is the correct magnificat-jc k8nrp;zq:w0s u 7fion of this image?

  Which characteristic is not true for both mitochondria4 6y 7-iwtyp7 .4trsxrz bck3:ir c9fp and chloroplasts?

  The electron microgri kd16( wz9.r)y ; u x3tmw;5lkygbsfkaph shows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this image? (ykwg u6)i;tl3 kbrsw .f5ymzxd1;9k

  The electron micrograph shows an animal cel q63wjghps(7ye;euf0 l.

  The electron micrograph shows a sarcomere, the smallest functional unit of stri7g2 2a bhnp+:bq*js qyated muscle tissue. What is the actual lengtpqg*q7ybsj 2a+:2n bhh between the two Z lines?

  Which organelle is formed by a vesiclefnigz/+3h(13lz a vxq mew 93m derived from the cell membrane?

  Which organism contains DNA0 pjb6 1;a :l4oqqowmb in exactly two different organelles?

1.Outline one way unicellular organisms can carry ou b4:3r+ owsf6dsj5 mcpt each of nutrition, movement and excretion. wopm d6c5j4s+frs:b 3

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 the two cellu(k3v px,kip b+aw i.fg5 fo3+ns*l: x types shown bkx ng+ p3k f(oiipwu5 .:vla*,+f3xsin the images?