Which statement about eukaryotic cz 9qm5cf o j3te,be;lwfe a ng6(/43ksells is correct?

  Which are common features of baiph kl-13-lln cterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is sgg oay,,nv.i zda*wc/x6- 6 fkhown in the image?

  Which statement(s) about the endosymbiotic theory is trug z,33lh1 xio j.,oxhee?
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 evol qs fb2euezkk3*,/ic5:sh yu9 ved from the same population of s*ke zu9y /2bkhs,3que :fi5ccells?

  These photographs shooc3 p0;:rncq cp u vxu59tdt(7w the same section of a human retina. What is the reason for the(uc r:cp9ct 73odtn 0;xuvqp5 difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions z;:3z gcsx8 v t+,6xfkczl4m jtaking place in the cytoplasm. What function of life is demonstr 3cz;x,c+kt4fvmzl:jg 8sxz6ated in this situation?

  What do the two labelled organelles have in common?rt2/7e4i 9b dvjbpg :ko+h: mk

  Which organelle has a doublu2p42gpaip y p7y3r3k,fp5m,lju )gve membrane?

  Which row in the table corr +a/*pm1.ys gxp ax2edectly identifies structures which are present (✓) or absent (×) in prokaryotic and eukarympx*/xsd eg .+aa 2yp1otic cells?

  Which structure found insg;*icrnm sj .wh; z1) a eukaryote 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 struc* 8dk (ownl.fzture 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 .93 pguyr1 l8xnqznc5 )b vvt9apparatus?

  Which statement(s) about ce)wdeb01tn ; dw5 : cj/8ghsggan z7ss;ll 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 micrxqrc,lq:d 9-lograph 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. colpwckjgh1c 48 ()d9hfz i 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 eukat96 en ) cbhjnyw7a()fryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characterisne*np.89 jp526) .lemnuav uug qrd e1tics that distinguish them fa9 ue1 p eu6 vmnupd)l5g2.r *8nn.qjerom 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 leaf 4u1a8v7rm*pl/zqfqgan6 ci,.



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 descr s3pfdu55c :h ogea:f1czdy) 0ibes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthh* pd3swif )( 5r-nfbfesis. Which structural feature is common to both cyanobacteria and plant-n3*pfsi b(hwf5rdf) cells?

  Which statement provides evidence for the endosymb/ j 2me8kg*vkxl9lcq* iotic theory?

  Which part of the cell is labelled whz( n.suul6z;w5sc iq5+h-loith the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic : 8, yh:mcbqditheory?

  The micrograph shows an im6dkqtxkvq );+age of a plant 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 thcpy 8 *qwfs.u0e bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during cw8*y0 qu.spf osmosis?

  Which process is most likely responsible for the origin of mitochondria lgpj f v 2dlv9.((hjs3as a eukaryotic cell organjh( 2d gv(lj9s3 .pvlfelle?

  Which organelle is the )yid1g: g3bjdd+,els site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococ3t (vh,as4jbgq0qi4d cus 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 figure8 jrm t1:rrivepsai q52p:28d below whose structure provides evidence:85s8 a:pqrr2d2vitprej m1i 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-q4c 3ulrwv1wr0: q am are correct?

Below is a diagram of a motor neuron. Neurons ae 0 hfc o5y9t/3-swkbere the longest cells in the human c0 5b y3ewh9ok-s/tfe body.



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 (sor .6-2q kegce5yqtp2v-z hof an exocrine pancreas cell. Which of the labelled structures is re- .gv2cqp- er6qohy t(szk 25esponsible for the production of vesicles for exocytosis?

All organisms contain genetic material. Tb.jo6uq2/kp7ii xrz .;b)qpkhe type, quantity and location of genetic material diffpo67jq.2 k z;kixb)/iq brpu. er 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 sup .u k)/kjabc2eport the endosymbiotic theore c2kaku.)/ jby?

1.Outline the steps in calcula9 9uwd81ci wltfhbe7,ting 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 ce+cjzwb4bw k9 w r1y8y/ll.


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 ( j otv9cxs06- p*jofnuso0nxh4 . u/lproduce and release large amounts of carbohydrates. Which characteristics would you expect to observe in such celvxnj sn94oo(up*00-/h .xcf ls o6tj uls?

The diagram below shows a cell.eo /ai1y(6ef n

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 prokaryotesrzq* b,gw,h:.+ud lzo?

  What is the correct magnificat xs68whsr o;6 de9+exvxi(8dkion of this image?

  Which characteristic is not true for both mitochondria and chloroplasts sxm: ly8xufl8ln.:8q peq5 3v?

  The electron micrograph shofw* e 2hut/1ydws a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in2dwe hty *fu1/ this image?

  The electron micrograph shows an anluu;1ukfmcm l 9rgoj1..6s l9 imal cell.

  The electron micrograph shows a sarcomere, the sm(8fe b jbdgu;2allest functional unit of striated muscle tissue. What is the actual length between the two Z li;ub8dj fe(2bg nes?

  Which organelle is formed by a vesicle derived from the celf4y(b68ind at l membrane?

  Which organism contains DNA in exactly two ;2, dr k0sve3x gzlo/ldifferent organelles?

1.Outline one way unicellular ova 1.r 9.qx9uq3)4wlbgy zu p4ob)asorganisms can carry out each of nutrition, movemengz3pr qs u)4obla4owx vba)y .q19u. 9t and 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 fungal hyphae anrwuttmson -pwqwcj(2tk82/*2 1zc 3gd striated muscle from the two cell types shown in the ima1sz 22/q-ncc8 2wkjg3upt (ttwwrmo*ges?