Which statement abou ;n+tn3gv*mif t eukaryotic cells is correct?

  Which are common feat1u)li l ku.p2gppv. ,c6 a7wprures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? cjf uc,iekw-up- 9n;.dds,) g

  Which statement(s) about the bo hn 83(jmo1qendosymbiotic 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 alg3ka.b .mgi+q gj m5qa -1j l94oos3zpl life on Earth evolved from the same population of cel pmazs-+goljobgm3a9 4jqki..3 qg15ls?

  These photographs shq3 s*50 dr;4es vdtcmkow the same section of a human retina. What is the reason for thedeq mv*kd3ts40;c sr 5 difference between the two diagrams?

  Paramecium produces enzymes that catalyse diffj*hk /i1x qw+perent chemical reactions taking place inik j/*+hxq 1pw the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles hai.bex ,2dcldr+1 -qju ve in common?

  Which organelle has a doyn:wx :r34u lp6m l/jf okz8j ,nbi;:zuble membrane?

  Which row in the table correctly identifies structures which are present (✓)u( gt 4q y:/olz 8ajk)kgb7w8q)0yey s tyob;) or absent (×) in prokaryotic and eukarya ; s :j47okgwbybuyk/8to( )y0qzyq))e g8tl otic cells?

  Which structure found in a eukaryote has a double membr ih vl:e-0q2zsane?

  
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? mj5t0)phdu j1 ozkc8 w/; osg.
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 apparatus)c5x+ hu 8rth z4xdu0s?

  Which statement(s) about cell strf8 e ;6uzs+bnbg5y. lsucture 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 blood. 43 ztvm1x bvvu3ib1- c


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. colu hfsjt)-7jho y*,j,ci 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 ip:62r6kq ejpchci/n9j(: ,udd oblv2 n both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cejgl c36 m0xireub37i,6skpskgv6cc+m x o(3* lls have unique characteristics that distinrgm0(ox+ 6 m73 3ljsg3s xkk ,6 bcc6pice*uivguish 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 le(pf jjew1slrwu 1 7a(9af.



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 dyx.nm*h vk3bh+7 nib) escribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structural kogi os7xpd3t**b+*k; raj,wmlt2d:featurr*gjpm o*2s;odkbit+:, dt7 *k wla3xe is common to both cyanobacteria and plant cells?

  Which statement provides evideu*qvob y9geqprw6, 0y/jd 4l8nce for the endosymbiotic theory?

  Which part of the cell is labelled with the letter P? 7+ xgr9(gi d3omjmpa3

  What feature of chloroplasts pkm-2nq -)n-h d 6rivzaw*er2irovides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a liyzc* xt4+ zmh)(st)bcbcy, 1b ght 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 the9wn l-ug wtgvs lx /:w)7+rp1g bacterium Vibrio cholerae. Which of the labelled structures maintains the c)wpl +wxg19-t vsn/glu7 r:wgell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin o xw,nc i+pu/g;f mitochondria as a eukaryotic w/;c+pix gu,n cell organelle?

  Which organelle is the 19llzcbu gm3g/va5l2 site of protein synthesis?

The diagram below shows i7lzd dca1 9*xa 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 orga25l 7og5d x8k9np1frw pbjvr4 nelle visible in the figure below whose structure provides evide9xjp5 v8 nk7 b1fwr4p25og rldnce 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 correo,1:(1fs kx*i0nrv tqd(ko t oct?

Below is a diagram of a motor bicuwlk- , ;jf1+(weh neuron. Neurons are the longest cells in the human(jwb1 hcfw-;eu,i+k l body.



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

2.Explain how life functions are performed by Paramecium.

  The following electrjtp 7;ml 0g.(xvruksl6 whm/ 9on micrograph shows part of an exocrine pancreas cell. Which of the labelled structureg( 6r/j plt07ms9um;.hkl wvxs is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity ane5y,ib ylttpa1.rm8*ixjhoov:a7. . d location of genetic material differ between.lth:t*.5a,vy xabpre i817.mji o yo 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 enyns *g;tdx)xri;p gl4n 8 8.dfdosymbiotic theorinng x;8 s*y)4tfxlrd.8 d gp;y?

1.Outline the steps in calculating the magnification of a micrograp h0):om kdk9bqvfcr6)h.

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.w3ozse eb*+ 4 2oyz86)froa qh


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 carbohydrates. W ftn8oh3, alu6rb0dr.hich characth0afnrd. 6uro,t3 bl8eristics would you expect to observe in such cells?

The diagram below shoctj o,l,xy i;2w3m+djws 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 appliesa mvihfvv;4a,r1 - pqx;ab9d- to both mitochondria and prokaryotes?

  What is the correct xcxr a1f mqfy;87z 9ql7m0hkw 8k6s5u magnification of this image?

  Which characteristic is not true for both mitochondria and chloroplastgqj.k3 r9e313txagjr:g ,bdvd: f l/l s?

  The electron micrograph shows a prokargp)1af7 0xmt-q uiw2o yotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this image? fw 0 a 72m1txqpg-oi)u

  The electron micrograph shows an animalvs oms5 zryv*nrjh.;0hk o*05 cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of s15w7cp shd h1dtriated muscle5hp1 hs17w cdd tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived fra3*ux g x0kc7iom the cell membrane?

  Which organism contains DNA in exactly two diwpa:w9vd* a/ef7d..a tvri(tfferent organelles?

1.Outline one way unicellular .vp)9d s:bwcn organisms can carry out each of nutrition, movement and excretivbwsd p.n9:)con.

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 fun (t)b bf5u3a-x azmv9mvnb) 3bgal hyphae and striated muscle from the two cell t(ba m ) ubnt33)xm vavf5z9-bbypes shown in the images?