Which statement about eukarszq*26ex,j wr yotic cells is correct?

  Which are common features ofttq5pqnk+t hiox)bj9k+ )-;k bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? lk6 ap k0 lg*z3rp)j.zd ihi5;:bs k ,yy-4hux

  Which statement(s) about the endosymbiotic theory is true? 6tbdiq /nkeo pedebb7+f4) )-
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 life2-9l -yhrd7 di;zfrvx on Earth evolved from the same population of ce rhz- v9dl2yr; fi-7dxlls?

  These photographs show the same section of a human retina. W1j7nulok 9f8 ghat is the reason for the difference between the two diagrams? k n97fou81jlg

  Paramecium produces enzymes that catalyse d yhbdz +cwwbr w o10;j66oqy;8ifferent chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situation?1;owc q 0bd8rwob6 y+j;z hwy6

  What do the two labelled organelles have inay2hiqlp+jd 9( )m2 wf common?

  Which organelle has a doubt:8(iflka 7 tz h.j/cble membrane?

  Which row in the table /gs7x) vrp meyf0.iqe hygob: 0v6f;5correctly identifies structures which are present (✓) or absent (×) in prokaryotic and e)h f7by.fg s/0 o5 me;xig ryv:q6ep0vukaryotic cells?

  Which structure foundy8i gzrle0+ (w0cxoo k.,c2e v in 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 tr r/ by1lz,wfp.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 ar/ckx0 u/(moc function of the Golgi apparatus?

  Which statement(s) about cell str;fsb1u5 s5u nbucture 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 (b*9 qbitaj w*lt sb;h9ur;)pmicrograph 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 celily9nct)d3al)i9 v: -ld j o7ols.


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 prokaryotikw*ith4q(a 3t xsc 23uc cells?

  Mesophyll cells are found in plants. Plant cells have uniquwb71r7wuz:1 l cdgxs4 e characteristics that distinguish them from any other uxgdc 7s w4lr: 17bzw1cell type.

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

  The micrograph shows ss 9s6zpx2/j na transverse 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 describes the DNA and chromosomes msg;b r.qgbe:; 7fg0z of bacterial cells?

  Cyanobacteria are prokaryotes that can(gj 8qrz0m(fr/ y7nx g perform photosynthesis. Which structural feature is common to both cyanobacteria and/mjrzg0xyrgn8(f7q ( plant cells?

  Which statement provides evidence for the endosy+uo 8n,jem*bqogr yr)r) 9cj2nw ha*4 mbiotic theory?

  Which part of the cell is labelled with the letteu3k0 uv/oberfxpu9l. j 2p) g1r P?

  What feature of chloroplasts provk,g,xir+9ztn- x kt*h-ttz u/ides evidence for the endosymbiotic theory?

  The micrograph shows an imat/ ei2k3a u8c m8 n7pgy,m)cgnge 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 chol6)hqt95mgiq a14bg pmerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing durinqqb4 15mg6 phit9 )mgag osmosis?

  Which process is most likely responsible forqy . hbrey8wyrl2.v.6 the origin of mitochondria as a eukaryotic 8w.6bq2 rrvyly.e . yhcell organelle?

  Which organelle is the site of protein syntheifp273 3i/l/bhy dirqsis?

The diagram below shows a cyanobacteer6/ w03h)pd6 znynqyc3dtw, rium, 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 7)dr;nwhf uf5yp (s s9-v/byd the figure below whose structure provides evidence for the endosymbiotic th-y/;d s s 5bvr wynhuf9pd7()feory.
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 organismz* l.qlg58p jus are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the huum)4 5wbku sadm)zzyv5o;jl* )xb94bman body. bs zw 45bk)u;jx)5a9uzymd)b4*v m ol



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 exocrinorj,v l7z+z2 ue pancreas cell. Which of the labelled structures is responsible for the pro u vzj2o,+l7rzduction of vesicles for exocytosis?

All organisms contain genetic material. The type, q,xu rdzy o/tjakq4q;20k)q 4n uantity and location of genetic materiala, q4 qk)4 j /qnzxt0od2rk;yu 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 thel5 1zdaf,no0 x endosymbiotic theo ,na5fd1zl0x ory?

1.Outline the steps in calculatingl79hn3j 6 jratzs*h t8 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 ayi(ke (9ralh5)efa i 9 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 of carbohydrates x wa-tm97mu:d. Which characteristics wou9:uaw-td mm7x ld you expect to observe in such cells?

The diagram below shows /b1htpi0 *gnw 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 applies to both mitocho2m kf vv ,1ubk.nksd7 5nz v:-)2rjlhjd)lpm9ndria and prokaryotes?

  What is the correct magnificatikcm;fcb,l o/.on of this image?

  Which characteristic is not true for both mitochondria and chp7-h/:,ab jgjaxy k4 zloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyz of gn /q4k7bvdj.+5qclotella litoralis. What is the actual diameter of the celz+5q7ojg.fvk/bnd q 4l in this image?

  The electron micrograph shows an animal cell. i6kot6cqwi on94y- 6p

  The electron micrograph shows a sarcomere, the smallesz,l6kj o/ 5se1rx,levo3v :vrt functional unit of striated muscle tisjrve, lv6ksrxz31o,/:e5 olv sue. What is the actual length between the two Z lines?

  Which organelle is formed by a ves6 xbkt6v(so .vicle derived from the cell membrane?

  Which organism contains DNA in exactl u .; z;kq81gxeo41xr x:nsjuey two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrbrj6 -uo .b bsy4d6p2yition, movement and excretiourp6ybj 2bs4yo 6bd.-n.

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 fungale2 i./ y2eult h5s5phzqg5-ufjx0f 9m hyphae and striated muscle from the two cell types shown in tjq5fy2xu/.mhz e- 0h 2tl g9upse 5if5he images?