Which statement about eukaryotic cells is mfi87* dok,5fpgox w3correct?

  Which are common features of bacterial vqg9l4o/ c/5o sovvobf; k;t8;nvl/xcells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imar 3*xktzz8u2+ 3 hsmdpge?

  Which statement(s) about the endosymbiotic thyp-ojxmnb ./*eory 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 lifefl4wogq,py8- ( y ajyd9h-*yc on Earth evolved from the same population of cells?y 9yyy-l j(-*c ,48phgowaq fd

  These photographs show the same sectg9z8z-zi;gzp klb x q+ (y99cbion of a human retina. What is the reason for the difference between thegzizkb9 +pb-zclzqx9 98 ;(y g two diagrams?

  Paramecium produces enzymes that catalyse dufbga8 68:t hdifferent chemical reactions taking place in the cytop ugt6abhf8: 8dlasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in commo2w8gtj 909osbg(x)b 8 w lxipbn?

  Which organelle has a k*a+kc4mtbv x34s6x-bqpu1 z double membrane?

  Which row in the table correctly identifies structures which are present (✓));c 1nc chp2) )sy4 ljogsqsi,ylbj82 or absent (×) in prokaryotic a s;y2,1 j28cn)4slhcgjcpb)oysq)il nd eukaryotic cells?

  Which structure found in a eub gnyn;ho t()yuywd1 1 bx8; +4zzeox7karyote 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 str:qhz-1k-z0 e rzod/na ucture 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 nogej,lo0c scjtn.*;tb :n+)w15zhvu p g s4 gn,t a function of the Golgi apparatus?

  Which statement(s) about ceocu9 ,g 1m2khqll 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 micrograph of b;,gt isft2cr z*e d5gp3:5cr1szg0 ejlood.


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 showqfg1ttll tc)0p; 5 9khs E. 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 bot/z5j+4nzvf 8mvmk-v 9vef 0hrh eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cellsh v346shb f+qc have unique characteristics that distinguish them from any 6+ bsc v4hfh3qother 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 l7l tg+ld./ gfdjk4dc0c: 9st deaf.



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 bfq7;r .eoo vu2acterial cells?

  Cyanobacteria are prokaryotes thatme8rzyzgle:/o(m()9xu 9zh o can perform photosynthesis. Which structural feature is common to botr me z(:y (ozm9l8hug/9)oxzeh cyanobacteria and plant cells?

  Which statement provides evidence for the e:xyh 7q 84bmklmd6(fg(*4az qa4j9rzdpd u 9 indosymbiotic theory?

  Which part of the cell is labellmxrr.uw o-/1;h emqe )ed with the letter P?

  What feature of chloroplasts provides evid7gk)v whqd i6dn-yh+mv (o- s0ence for the endosymbiotic theory?

  The micrograph shows +3 sncqd vs/ tiae-2t:an image 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 the bacterium Vibrio choleraeii0d u++6zjsn . Which of the labelled st ++nzs06djiiuructures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochbich+z apuv 3eg /w-90ondria as a eukarvz ap -+3c9weg ih/ub0yotic cell organelle?

  Which organelle is the site of protein/bc c-+slvd3r synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatwgnp, qdi c00x7d9 cu*1arox6j5p (n uus.

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 3b i w+un)u;r;rfqy8b whose structure provides evidence for the endosym3nu;)qr bu wy +i;brf8biotic 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 cor xia5 (t))3m+o ezjdpyrect?

Below is a diagram of a motor neuron. Ne 6xb un +xv/ljm*oy2h+urons are the longest cells in the human body.h j6lx++2y*xmbo n uv/



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 exocrapi wjc:4p o42ine pancreas cell. Which of the labelled structures is respop4ai:jop4 2c wnsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quanf(h7 tej ;izd3tity and location of genetic materi( e3fz7i;jth dal differ 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 support the e8urn-ld7al 5wndosymbiotic theo w78 u-r5allndry?

1.Outline the steps in calculating the magnificco.a lar )3:xd2kc +ycation 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.jv5,e v6e+i zyd9ln5 g


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. Whij;j 9(gv pqfn2ch jv2f (q;n jpg9characteristics would you expect to observe in such cells?

The diagram below shows a cel0w7+(rp tej+r r/ wlfzl.

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 prokarpw*hjgm ett3-n1n 8k9yotes?

  What is the correct magnification of this :6suwt7g:+iw w/ys wm image?

  Which characteristic is not true for both mito+hcnh(kgtir( 74wqwxij0y;48 ho;s s chondria and chloroplasts?

  The electron micrograph shvlr0 z8h: hr n*z:,lrjows a prokaryotic cell, Cyclotella litoralis. What is the actual diam:zn:l,rr *0z jrvh h8leter of the cell in this image?

  The electron micrograph shows4km*hakg o 6;w an animal cell.

  The electron micrograph shows 0 dtd v oywvbd30i4r:o8j/rd 6a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual/drrydvvob40t 0 6o:dwd 3j8 i length between the two Z lines?

  Which organelle is formed b3 boi)5ip9h piy a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two dif)px.d q1wj,cbferent organelles?

1.Outline one way unicellular organisms can carryzw05 or8b)*nme ezf h- out each of nutrition, movement an5-8r )f0z *mbeoewnh zd 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 and striated muscle from the two cell kkvp blj46+jksi +e/s(a+) yptypebjk i+vapyjsl)e+ (/ pk+64sk s shown in the images?