Which statement about eukm(iqz , 92zbolaryotic cells is correct?

  Which are common features of bacterial ce b2dgai-9eky :lls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image iycwx+z:d5p0 y r19xc?

  Which statement(s) about the endoy3k ecz3 uy0a7symbiotic 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 sam;z c*ig,5mt: kj)qddve population of*z)dcmtg id :jk,v5;q cells?

  These photographs sho z7e3x;z712usadlqd c f-txh;w the same section of a human retina. What is the reason for the difference between thes zaqxz1ch lud273;x7ed;f -t two diagrams?

  Paramecium produces enzymes that catalyse different chemical reaction1 bgltbo y6.i)s taking place in the cytoplasm. What function of life is dt.i bo 16)lbgyemonstrated in this situation?

  What do the two labelled organelles have in common? m;ps)29xc ivp

  Which organelle has a doub;) z3ws/9 nzkcechw2; 9 5ycofo*7* erasuowble membrane?

  Which row in the table correctly identifies s nv91okxx,iykx,6 qn: tructures which are present (✓) or absent (×) in prokaryx,ynkv,ox xqkni1 :69otic and eukaryotic cells?

  Which structure found in a eukaryote has a double membr,rm7p dwr6k)p ane?

  
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 structur,hqfur-- zge)e 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 function of the Go8;sq(yecx vhgt+) 3 dulgi apparatus?

  Which statement(s) aboug0h no0 :tcautp d)( o;q1v3l1mb7q vtt 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 micro 6/jzot9gf,+ddyk /x vgraph 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 cells. * r59hcce fd94j6xy:jsfw.goi 2x8nu


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 poqwkl /33+xd 4nhx u;drokaryotic cells?

  Mesophyll cells are found in plants.no sb*w /rtvn7:l:fe1 Plant cells have unique characteristics that distinguish them from ano fe*:7vwl:sbntnr/ 1y 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*nal el:si2oju l4 8.*ytup+ n a 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 vmo 3 wzy6hh,rx w(2f)e aw:7ethe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which stofzcj+tfzl x(b:0c3 0ructural feature is common t z0fj3fb(0 to:zlxc+co both cyanobacteria and plant cells?

  Which statement providec.y tna*qrlg+wie,2) s evidence for the endosymbiotic theory?

  Which part of the cell is labh qw4 )c2x6jtielled with the letter P?

  What feature of chloroplasts provides evi u,ic1)uc e j1g9ojc v(e5sqs(dence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken wit69 ja 3ejzb3ck8 e1jtwh 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 cholerae. Whit4 t:k, wmsq:cch of the labelled structures maintains 4tsmwt::, cqk the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitocik*n n 8no2u7ghondria as a eukaryotic cell organelle k 2ugnn8*i7on?

  Which organelle is the site of protein synkbr9i) (c4 2hf 4lw. ltckjv:tthesis?

The diagram below shows a cyanobacterium, Synechocwhi0 q);uv/fv 5z8 l b93eavkb bfp-6roccus 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 whosgh02p.j1l (zs/i2 zvl2f9 -icmwds z te structure provides evidence for 0 czl.m(1ihfdzjv29-tpssi lz 22 gw/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 unigk(qe2w.bu *y cellular and multicellular organisms are correct?

Below is a diagram of a motov y:n( xqq nz9znbdp,c4k ,w3fl4o70r zp b35lr neuron. Neurons are the longest cells in the human bo,nn :y, 5 z bowkfvql9qzbd 0(3c34zlr pp4n7xdy.



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 o o185pa(:c gw,j -*0cftl z6olhu nuaxf an exocrine pancreas cell. Which of the labcl61g(o*nuw, o5a8x-0:u jcazthf lpelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain geau ;us76y7 q4fpv 9a cma/j*iqnetic material. The type, quantity and location of genetic material vq7i 6aaa qy9mj/*fp7u s;c4udiffer 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 tj;) /jxt2o4.oro es8i )rns mhhe endosymbiotic the; ) or 2j)x8imo4sjnero/t.hs ory?

1.Outline the steps in calculating the mkclvmlu4)i,ju8i;* e agnification 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 shogi h (zr: 47 ef8m4uw0o;o jmnqyu-yo0ws 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 a u y-l.1-jwq)ai 3aogtwda g42mounts of carbohydrates. Which characteristics would you expect to observe in such cel i 2oguq--4d3tw aj aa.y1)gwlls?

The diagram below shows a cell. tch)te:+cx l ;

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 pu z969.m ujb0 5x .s;ysgkgetzrokaryotes?

  What is the correct magnification of this image?a:pnuj*5 q1j;b1 m6 d duy*psb

  Which characteristic is not trur,bk*cuj7 l8z*l/+ie+xckr e e for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What ii7q y dcg9u1b9s the actual diameter of the ce1 7b9d9qc ygiull in this image?

  The electron micrograph shoq 3n5m ;lsai b7cb3s-kws an animal cell.

  The electron micrograph shows a sarcomere, the small93vf dxx )4ctdest functional unit of striated muscle tissue. What is the actual length between the twdtvd)4c 3 xx9fo Z lines?

  Which organelle is formed by a vesicle derived fra z r3g,*x8qgsom the cell membrane?

  Which organism contains DNAr) bvwnzf;kh9ra.f ( i-) a6cw in exactly two different organelles?

1.Outline one way unicellular organisms can carry *gb5ap936x kes .anxr out each of nutrition, movement andx. b*egrk6na x3as5p 9 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( gn )vpq8rds3 fungal hyphae and striated muscle from the two cell types shown in the images? 3gpdr)v n8(qs