Which statement about e*df cmrf rh/7d0n h*4vukaryotic cells is correct?

  Which are common features of9g hiinqgr0i1+l0m ux-0;d ii bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imagex+qbivr*v: pv -3g2 )ykor5mk?

  Which statement(s) about v n5s;c9b x6svthe 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 Earth evolved from the same populo5lu84iel dg4 ation ofl e5iu48ld og4 cells?

  These photographs show the saswq5xa; dn9q2v0 2jl mme section of a human retina. What is the reason for the difference between the t lm;52jqnw2vdsq9x a 0wo diagrams?

  Paramecium produces enzymes that catr i9ntf)yxd.: l;py) ualyse different chemical reactions taking place in the cytoplasm. What function of life is demonstyu xr: )tdlf9.y)np;irated in this situation?

  What do the two labelled organeln1( bjk(fi2 -apxx0h0 tz+sjvles have in common?

  Which organelle has a double sl9 ;sz+ih m 8fw34hdxmembrane?

  Which row in the table correctly identifies structures which are presenti5dz/,yndl x/ 9ek mlsb 5(pf/ (✓) or absent (×) in prokaryotic yp lef l9z 5s/,mkxi5b/(dn/dand eukaryotic cells?

  Which structure found in a eukaryotezvsw52 9q+r)vd iuz+ g+h fmvdg6 7g0o 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 wd jwo 1 y+q3:4q/ca zaa*+hcrtrue 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 followint )kf+xk-c kvnx )ub)5g is not a function of the Golgi apparatus?

  Which statement(s) about cell structure iau2umq1)vme0 s/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 micro hwb 4yhkrmyqldl)7;mb 43; y)graph 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. coli celgs z w+h5ft4has*-3i fls.


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 prokaryoti6x+8.xyoz g:f :f q4 qa/ptmslc cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics th4v rk * xczkhg)yw72mj *2/nbjaw x2/ynkjkmzvcjh47 *g br*2)t distinguish 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 sect i;v6(uz t+xgkion 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 describes the DNA and chromosomes of bactev9g1wk5 s9wk trial cells?

  Cyanobacteria are prokaryotes that can perform phm31lyn e+5q zcv) l*flotosynthesis. Which structural f v *zc1m)5qlf +lnely3eature is common to both cyanobacteria and plant cells?

  Which statement provides evidence fgoaz6n kolr:869s m+oor the endosymbiotic theory?

  Which part of the cell bi4z8uqv cg00k-kbv1qx w 2x1 is labelled with the letter P?

  What feature of chloroplasts provides evidence for the end8dj lxm l(kj;oyz 0;0d3eh 0juosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscopet4qsn+m1vpstu5 j*, b.

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 7nmk*xyc2 8deshows a cell of the bacterium Vibrio cholerae. Which of the labelled structuresn8*mk2 x7ydec maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitocbxn8xemzue zjwu t;r+au:)f 7dv 3;)8hondria as a eukaryotie;ex8 +n:)du8xr uwmz7ft )v;jzabu3c cell organelle?

  Which organelle is the site of protein syntrw8vd qo9 p:wo+h swt4i3y4+o hesis?

The diagram below shows a 75sft hjdeho3.):f;aam e6fj 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 organelle visible in the figure below whose structure t0vf6 jq84zi xprovides evidence for the endosymbioti6fxqt8jzv 4i0c 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 u(+pe( a+dom3:fn vgyjnicellular and multicellular organisms are correct?

Below is a diagram of a motor nerc3 jrht3d,n/(o x:oturon. Neurons are the longest cells in the human bot:(o3j/,hxocr dt 3nrdy.



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 mcywf0 7.*sey7r o08 lh8crhpexocrine pancreas cell. Which of the labelled structures is responsible for the production of80rm spye7 * r.7wfcocl0yh8h vesicles for exocytosis?

All organisms contain genetic material. The typma553: kszk tze, quantity and location of genetic matezk:5skat z5m 3rial 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 mitog eq/1,-y 3evlr-cntm+b uv. ychondria support the endosymbiotic theory?em./vvcyy3ql 1tg -b-+,ue rn

1.Outline the steps in calculating the magnification of af 979t 5 v0gd 6jsgyolw09gygr 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. ejn h1-ihh4; 5/rm.lgm *v9h* qa7ynfdgpi r:


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 ab :1ua fpidbb8 u0lf.+mounts of carbohydrates. Which characteristics would you expect tod ubfb+a0.f1l 8ui:pb observe in such cells?

The diagram below shows a cell. :sugi w/ui)i6*doyb y) w( xl-

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 prokaryotes?w 3ftcx8:wn jh3l6a(q

  What is the correct magnification of this : 3smorjhthig-mgi3jy,)1 e7image?

  Which characteristic is not true fm2p,ng4 l5h(mw l m(ragp*n ;bor both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cella/sgj 16lmr) n, Cyclotella litoralis. What is the actual diameter of the cell in this imagsj lr6an/1)gm e?

  The electron micrograph shows an anima) urbatr2n6 ywr8y oh 29mi13yl cell.

  The electron micrograph shows a sarcomere, the smallest functional unit ofmg( 4lbh+c mnah;j- w20s jyc2 striated mu+g- a w;l 0 mhcjms(42jychnb2scle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by dsu gk92 sj;*ta vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different orll.k 0a5gox 2t ma0*qiganelles?

1.Outline one way unicellular organisms can carr 5gznp-hhg 7v00k(lehw 7*lnuy out each of nutrition, movement and excretion.u5-n 7ke*w(vz ln0hg7 h h0gpl

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 musclxx9 9zrcv *8sje from the two cell types shown i 8x cv*r99xjszn the images?