Which statement about eukaryotic cells is 1 ;ihuos3hm7th*mg h7hgi z.5 correct?

  Which are common features of bactg fg + *a8tkhm i5:njy5dov:*jerial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the )faxg/a vv zdkx qy .4a9j:2h7:xw je:image?

  Which statement(s) about the endosyh5y uy/8j:+hf o rzxqopq2d 82mbiotic 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;aq:*s4u h lx32.fn oghpna 9/eq(xej from the same population of cells(h;xog2j f3/ea 9q sq*na xne.lpu4h :?

  These photographs show the same section of a human retina. Whao+:+zdwf vawyb u/ ;d9t is the reason for the difference between the two d vdouf/:++wawyb9 z;diagrams?

  Paramecium produces enzymes that catalyse differdp;f nx-x0bj y,lh6ojp 7 ;9uqo6i/p hent chemical reactions taking place in the cytoplasm. What function of life is demonstrat0lufq b7; 6op/xpyhh-9 iox,6jp jd; ned in this situation?

  What do the two labelc5af+wah w7b5 led organelles have in common?

  Which organelle has q./rurrga0: gjd ),ucp ,f/lna double membrane?

  Which row in the table cor2t79j ,pwhxc urectly identifies structures which are present (✓) or absent (×) in prokaut9c ,x7ph2j wryotic and eukaryotic cells?

  Which structure found in )btqb8 kaz;d+ua2ii2m jil, .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 true about ctpa/an 4mla/4p77l ethe 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 function of the Golg0v e2z8qf :gzxl0sc j47ctb a7i apparatus?

  Which statement(s) about cell structure iscbnwl ovze( ; c(x)89a/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 blood.tsepr jl,, +t)


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. c/x va,te4o rzqu /)x4loli 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 both eukaryotichx:2y d 79(csxf7i +dad1pitw and prokaryotic cells?

  Mesophyll cells are found in pw62 ,n fjgt9d:wo;esu f;(u uelants. Plant cells have unique characteristics that distinguish them from any other cell type. nu6f,dw; w; (u2s9tf eejo:gu

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

  The micrograph shows a transv*i4ewmu7oj0 -dqdja: u f-ef)erse 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 of bacteriay3*2yzv; dmli bn:w 4sl cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which strtq -g1p+kx;e:(y nu8+tc dwrcuctural feature is common to both cyanobac cq-+1d+ce(kry; u:tnxptg8 wteria and plant cells?

  Which statement provides evidz(cr f.f5er7 y5q akw3ence for the endosymbiotic theory?

  Which part of the cell is r+og5uf yb8qt)m-4lx +j .fhelabelled with the letter P?

  What feature of chloroplasts provide ; f4eyd7zjc4 dp0jv:ws evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken witwfo f/fiv.0 4jh 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 V s96 b0ivpkmc0a6u3+an y*sv hibrio cholerae. Which of the labelled structures maintaiyhc6v+ni 9uk0s06 mbs a v3ap*ns the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely iw0webi -u cc,c5vw 0u6+pun)9 efkn*responsible for the origin of mitochondria as a eukaryotic cell organell ic)u ec0+wnb- ,uuvc eif pn0w*5w6k9e?

  Which organelle is the site of protein synthesis? is6aegk,1l pj2l( o0 u

The diagram below shows a cyanobacterium, Synechococcus elg s fjr2;++gmjongatus.

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 proelk 539at o/xj,mj0b6 ;vsum0dg;rzs vides evidejx 0;r,9bd0m 5;utsmgks aj 63vozl/ence for 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 unicellular almv 4.p4og, piykwg.0* cvabc/1dcu(nd multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are 7)9o ) noyuv *nqyz5,md-nozlthe longest cells in the human nuo ),)y n zzyn7mqvd*lo5-o9body.



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 cell5e v rj ee9a m,f7x;q3ybtt8e:ulta39. Which of the labelled structures is responsible for t:9qetvulr; a x579jtmt,8y bee eaf33he production of vesicles for exocytosis?

All organisms contain geneti2 qbdqgp 2s60hc material. The type, quantity and location of genetic material differ between kingdoms and species. 2 0q26qdbh gps

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 mitochondru./mq( xtdd+ a;c1 wblia support the endosymbiotic theq/. c wmb+1dlax( ud;tory?

1.Outline the steps in calculating the magnification of a micrograpesh,orb*x9).q rf/na h.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below showes;e42b7lly 79mt ljz s 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 amouqrhaln9x i1e,lpe7 8g h,1nb, 9e*mxwnts of carbohydrates. Whiche ge8, ,m9ihaxhpb1lnlr*x,n7eq9w1 characteristics would you expect to observe in such cells?

The diagram below shows a cell.myf+6 9 ogvn(i

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 prokaryoterhqw9crk(pc pn;nzgp ha :v 2)) 9 ;1gr7z9usws?

  What is the correct magnificii3um)(-jelb ation of this image?

  Which characteristic is not true for both mitochondria and chloropla f80nq/v4 )x9yxt95l enth wvjsts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Wn.eh0 l2 0weg1+-vz xbe3venohat is the actual diameter of the cell in thish01oxn w-2v3 evn0ezel+g.be image?

  The electron micrograph shows an animalmt ze/nq.9p/n cell.

  The electron micrograph shows a sarcomere, the smallest functionaemyp;w 6magom * 4zs93 ojgk43l unit of striaoo36mej3ymwg;sag 4* 9pz4 km ted muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from -60p frvtlt *ethe cell membrane?

  Which organism contains Dkuij4)u3bn 5se p2,nh NA in exactly two different organelles?

1.Outline one way unicellular65c-6yk+koqbbg q gr+ organisms can carry out each of nutrition, movementcg5rb o+6 -6kgqbyq+ k and 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 6 3u iyx,ggrj27oub. qfrom the two cell typ7gouy2r, u.3bi g6 xqjes shown in the images?