Which statement about eukaryotic cells 8 z)ct 7 34za;+mhqorc;wjpnfis correct?

  Which are common features of baef6dub2f)shexz nz-): :df: v xsg9c; cterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the i3g n98 +j;wvxrwu(np/h k6 wbcmage?

  Which statement(s) about the endosymbiotic theory -s g bwy3)0)qureki1vis 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 lizdpws *uld,-i 6;ngs.fe on Earth evolved from the same population of cell s;dg.p nlsi-*duwz,6s?

  These photographs show the same section of a human retina. What is the reason 0sgptw th74 r2xwgu6)for the difhstw27wgx g)r tp40 6uference between the two diagrams?

  Paramecium produces enzymes that catalyse different cou /yi b ;qf13ebp,dj(hemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situatioyo jf1 b3id /,;(bpeuqn?

  What do the two labelled organellesx:; t7-5m- ueeseb idy have in common?

  Which organelle has a double j,5tl :dk0ln4)kjnmc membrane?

  Which row in the table correctly identifies structures which are present (-(j -ucd 8gfgg✓) or absent (×) in prokaryotic and eukg-gfg 8u -(cdjaryotic cells?

  Which structure found in a e x6+ppqqx 1e7ua::t h oy9.qqzukaryote 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 tr*/p8hj, 5mgh v:gyo0o 5asdai ue 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 functvr m2 i6z10mkh (adn(uion of the Golgi apparatus?

  Which statement(s) abdc ,2qoq ns,q+out cell 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 micrr xwyt*sw xf)6,g2-rj 6*ognoograph 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. c3ilb;w n.bl8x1e/yg l oli 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 fot-mzl:i/exm mc 4b4r; und in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in planc :z;hzf vag7e:: xo6g*qk,c prczo/*ts. Plant cells have unique characteristics that distinguish them from any other cell tx*;qo,czgvze:kz: *6:f hrp 7 gcoc/aype.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a tranzg2jhx(wi8em 3: y-/wone+ gqigxm /)sverse section through a 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 descjw;g6rd1 -63pj eklmbribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesigm( 5/nhzoihq 0yd .u,s. Which structural feature d o,qhi5n/ug0( y.h zmis common to both cyanobacteria and plant cells?

  Which statement provides evidencdvr;/cclj )2u .u*) p viwuyl9e for the endosymbiotic theory?

  Which part of the cell is labelled with the g :z(kp oxt*.+bm:owk letter P?

  What feature of chlorh,s-1 l7m/phpg a(mrw -rr)n noplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a lightea*u:aa q.x+ oy u(fb- 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 bacte vew k83lo6tx0rium Vibrio cholerae. Which of the labelled struw8 v6exk0t 3olctures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as h17+h hwv1haa*cm7 gaa eukaryotic cel7 hv1h+haaac*hwgm7 1l organelle?

  Which organelle is the site of pr*8wyq mh zu.3:yqikg3v pw3 c1otein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongal, uzw1+xkr3/qi9e dltus.

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 vi;vh) ,sjeslf;5/zhh nsible in the figure below whose structure provides evidence f zhf,en ; )s5/lh;svjhor 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 abogo8tp0g72z- ( a+6uz cqjiby s9n-m taut unicellular and multicellular organisms are correct?

Below is a diagram of a motock7 yye2z 71ihr neuron. Neurons are the longest cells in the human ykyz he2i 71c7body.



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 pancreas cellgpx6uwi.dy 4le ++i-u . Which of the labelled structures is responsible for the product +e4l.w-dp+ ig6 yuuxiion of vesicles for exocytosis?

All organisms contai5q s7c3gv-jpetjy- p+n genetic material. The type, quantity and location of genetic material differ between kingdoms and specj5yvsp7ec - q-3 pj+tgies.

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 chlh e8lhv)2 t 7j9jee-avoroplasts and mitochondria support the endosymbiotic theory?-jejh7eh)t v v 8lea92

1.Outline the steps in calculating u)a12 l;wpq r5g/ nvos4prj0 gthe 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:cn4rl4 g8ef a*2s5 e.zybphy a cell.


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 vx*n-pgzx+7 j of carbohydrates. Which characteristics wouldxxg-+p nz jv7* you expect to observe in such cells?

The diagram below sho0 t 1svptge2o-3seu;32 qnmhuws 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 appl 42z jx86a vwe.4zmxnlies to both mitochondria and prokaryotes?

  What is the correct magnification /56)d vermsp2 xfdxl(of this image?

  Which characteristic is not true for0( o c*ksw3-a7l/qoxpnv7f k5t:jksaa4 6fi r both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryot/y2y xf1bn.)i2fy g,m zh6or tic cell, Cyclotella litoralis. What is the actual diametbfxir1ny 6yfym2 t hg) .oz2/,er of the cell in this image?

  The electron micrograph shows an anima8f ,c7 iolrspe.( j5kxl cell.

  The electron micrograph shows a sarcomere, the smallest functional unit:meo8z.0lgnib i5a2 f of striated muscle tissue. What isii5o2n abg0l8:. fezm the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell mem(+xyoen83 p2i d c)zyubrane?

  Which organism contains DNA in exactx 5 9 39pkgjm02shx1- ijafetsly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, moynu c1 loi*o-ptz *n(ij g72./cig/ tuvement and ex o/gcz* i1jp*oy un7itug/-(ntli.2 ccretion.

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 g42dolvx70);o rs+ eezel pfd4nl ;-ahyphae and striated muscle from the two cell types shown in the ize4fd ;0 oxl d)nrl4 eslv;paog-7e+2mages?