Which statement about eukaryotic cellsgd+ 9;smvo- onremi+6 is correct?

  Which are common features o4 )tdj4yt6gqzowq 5q)vz p1x2f bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in t leox7-p 2aorw*;rk p,he image?

  Which statement(s) about ou- x1ik frx9s(+jg*v the 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 akv3tn;nshl1t 34vl .life on Earth evolved from the same population of cells sv 1 vn;hktn.lt4la33?

  These photographs show the same section oe8,bi ,zgm:7dl t tp:if a human retina. What is the reason for the ite 7z,miblp, ::g8 tddifference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemichnxj3bck v ;a/+s0 6joal reactions taking place sc3 6j+ nb; a/vjho0xkin the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled orgx/qb6vtdpx+ *hd3k lm -a :0eganelles have in common?

  Which organelle has arv ae(zig7.a 8oa2mtui) tbemkk 18 (: double membrane?

  Which row in the table correctly identifies structures which arfpa,oi 9wxq0+e present (✓) or absent (×) in p0qp,oxfi w9 a+rokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membraneh2*/o(8ykez4 dw ln ap?

  
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 nq 6b ae2weuk/p)6l ln.sb-i; true 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 function;j -j. 6nc, q re,lxamf7mg0cg of the Golgi apparatus?

  Which statement(s) about cell structure is/are na:+oiz6.gx( d*vovw;kkf :jpo qf41not 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 micrograp/j2ieh*y/ )6, oy*au vyjhu izd2ykp0h 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 s1n)qc- vonb -l10zex9sgut-8 a 1 rjcqhows E. coli 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 eukaryotim-g 8z :nvmtd.c and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have uu y-oene4dbola eld2/*z 2z3,nique characteristics that dl/, az2e zebdn-*o23edyo 4l uistinguish 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 section through a ley, 8,epxhto89lgo lh4jjl k7 8af.



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 w7yaf6h lvb lp.17z a/and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that:mz4 ;mqn;hx w can perform photosynthesis. Which structural feature is common to both cyamq;;wnh:xm z4 nobacteria and plant cells?

  Which statement provides evidence for the endosymbioti)8xqe0s5 , unwb)gamdc theory?

  Which part of the cell is(e:sdb kwm i,gr,kb5e 7)bvb/ labelled with the letter P?

  What feature of chloropmj..ou2-f k58mxho whlasts provides evidence for the endosymbiotic theory?

  The micrograph shows 2+aqd)6 zolt jan image 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 baskifqj.xjww.;2) + cbw7kx e+ cterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lys f+;cki)x kjjbq.7wew 2+s xw.ing during osmosis?

  Which process is most likely responsible for t aht1th .sl5on. g7/sphe origin of mitochondria as a eukaryotic cell o 7hotgal5ts /s.nh. 1prganelle?

  Which organelle is the site ,j t5i3axickew66.-swrk 77dxird-f of protein synthesis?

The diagram below shows a cyanobac2n(t3 6 xrwczfh5:ngaterium, 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 provis sd*3exb n/dp,l0n; ;yjyj 6fdes evidence for the enj 0bs ; 3dyxl,f dy;*sepj6n/ndosymbiotic 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 unicellw+ad*ucw;bd. mu kj -7ular and multicellular organisms are correct?

Below is a diagram of a moto1i00qfop grn.3 nz(bx r neuron. Neurons are the longest cells in the human body. q3rg0 1 0zp(.nbofinx



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 pancreasb3c .hmy fy- c3fn46pf cell. Which of the labelled structures is responsible for the production of vesicles for exo6.y3chf4 ffm-b cn3y pcytosis?

All organisms contain gelur2 kmtvbb +krju : ,pa)2at,+rj7s-netic material. The type, quantity and location of genetic materialrru+b+ak - jv rb):7j2lsum,,kpatt2 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 the end 07sge d0sj9zrosymbiotic th sgr 97ejd00zseory?

1.Outline the steps in calculating the magnificat4 a1ugpdu; fvx xmwve60lu2 77c6,czoion 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 a cpqwxz (omcbb 9.e/) 3yell.


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 largeus (qv7,+gs ru zuz +n6xz-.li amounts of carbohydrates. Which characteristics would you expect tu6 zu+.svsx (zi zr7n-, +quglo observe in such cells?

The diagram below shows2r 3sm0fo w3ml*bkek*/z j +yh 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 mitochondria and pr3s0rmm;2 xeg f2/esjrokaryotes?

  What is the correct magnification of this i*wyk+y : h*nyimage?

  Which characteristic is not true n -n;cw6b)woy for both mitochondria and chloroplasts?

  The electron micrograph shows a prokary2 9epiaej bs-, ynsndpt)p.lz 2 y)b)*otic cell, Cyclotella litoralis. What is the actual dlb22p, je*9nz). ysn ybapi)ep-s)dt iameter of the cell in this image?

  The electron micrograph shows an animal cews (kal *bwf1lo1 sa)k 0o/bi5ll.

  The electron micrograph shows a sarcomere, (tvq*:sfhrz -/mjpb/ the smallest functional unit of striated muscle t( jvm b*szpt/r-/fq:hissue. What is the actual length between the two Z lines?

  Which organelle is fewp e7tgs k-i 1lcw*u5;k-eq a1.gu)yormed by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactlyc 5c qoclx4jjj 1,l,n se(y61h two different organelles?

1.Outline one way unicellular organisms can aukzd3m 01nz7aze l ,..0naazcarry out each of nutrition, movement and excreti 7.m0a3.nanelazakzu,1 z 0zdon.

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 saxe 9:2ibs5x(yb v:u striated muscle from the two cell types 5vxx:ysusb2e iba:(9 shown in the images?