Which statement about eukaryotic cells is co46cgffv 7dsfk 0:kz f1jd4dqc 7l12x prrect?

  Which are common feath.zwr52.tta0u *ceovrq1x e( ures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the im*m1 ;fvcd riggf 4;r,g ctbn06age?

  Which statement(s) ab;0kq mtw)jxl5 xvk3 to, .b4ur,n)foaout 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 life on Earth evolved from the sam0 f r/-riy lag; u(.5uhswjvs7e population of urwl 7s0i5j-uyh/ a(.vf s; rgcells?

  These photographs show the same section of a h hub5gb10a4x cuman retina. What is the reason for the difference between the two dibxb1ca4gh0 5 uagrams?

  Paramecium produces enzymes that catalyse different chemical wf*9snv1m: jc reactions taking place in the cyto*n1m:j cvf ws9plasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in t+gaqc oh4k/ :jtm7av7 +pij dg,3(angdj /0fcommon?

  Which organelle has 0l + 1kiofdll 5b1wkjwbhf/ 90a double membrane?

  Which row in the table correctly identifies structuresx7hf3 mq qkxtc82pv e2c6 -;0jxrm .zs which are present (✓) or absent (×) in prokaryotc8qmhrfps7x23 j t06 .q2;ekmx czv-x ic and eukaryotic cells?

  Which structure found in a eut0 mdg182 j3iz d48pz5dkjzwhkaryote 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 statemu:3ibe.h w/zr pr(m1eents are 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 of the Golgi apparat begpxjuj42(ts j,hbq 41, iako 5)pv4us?

  Which statement(s) about cell structure is/ar4n z1uqz:r4sk)xrck* e 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 mp.z-2 cl .t fi/u;kfgo 5(k bjjr1ztx3icrograph 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.x t4z7 -gq5p6wk;bngzj65jxe


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 prokary:adwt)di3d 4 r7tr cgju l;1u*otic cells?

  Mesophyll cells are found in pla(gpvcs+e94u3 mvs t bw,ft8(ez s,oe6nts. Plant cells have unique characteristics that disti6mv(4u8 sgepo,vbste9zse 3t,w f( c+nguish 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 transvg0szs( 2gpqx(uorm*;+thildh 2r, 3zerse 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 D;ft nxq0eg8f boz;(mgoh.j9, NA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that 2icimdtx) h0; can perform photosynthesis. Which structural feature is common to both cyanobacteria and i m;)i2x0ctdh plant cells?

  Which statement provides evidence for th ky9:.suzbq7vo ,qw (he endosymbiotic theory?

  Which part of the cell is labelled with theg l(f 4/63swdjrstwm7j0 gmo 7 letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic thewg ,akey l;0q7us(j6cory?

  The micrograph shows an image of a plant celp,tlcf36 vovb 32g1pml 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 zyh :exrgb ov,ridw:a- / ,g52below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing d ya:bhgwg o,erid2z:5v /r,-xuring osmosis?

  Which process is most likely responsible for the origin of mitocwnvt+ir7i:c2m9e 00qb 2 by-lo qukr5hondria as a eukaryotic cell organelle?0vmn5+uleo:qti7y20 9kr i-b rbw q2c

  Which organelle is the site of plp)s 0ifh2i- protein synthesis?

The diagram below shows a cyanobac5omso )2bkg :gterium, 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 stv72j0c.ord cd w:w cp1t+ q7kkructure provides evidence f k07krj2 :od.twv7c c1 pc+wqdor 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 and multiug a43tt dap43ys9 zm7cellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in t ynr +e7tk7.n1fxocu 4he human bod7ncfon .e +7kt41yxur y.



1.Explain the factors that limit cell size in humans.

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph showi164ygk(g y9yyj:q:j n/ yl4n*9x grexee4nu s part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for exocytos:r:jn /k4e4*ex4g9yyl qny19i y(ygjxue6 ngis?

All organisms contain genetic material. The type, quantity an.nsm 0nfs2k ;dml7;8xde1fmc5 ;o xq vd location of genetv 57sx2mdm8;nxnd;ceqff .s o1;mk0 lic material 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 supportkuh)ggr7l0gxebii, -3o h1 p, the endosymbiotic theory37l,k,0gxi h iego -h1rbup)g?

1.Outline the steps in calculating the magnificatig,eh8 wf aw3zyz1 wd/ h0p*)hcon 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 c9io zbuo5s)( cpsor7y(0v qq8ell.


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 producokn8hmdfs(;k f 9ya6 .e and release large amounts of carbohydrates. Which characteristics would you expect to observe in (; sfay8hf 6k o9.ndkmsuch cells?

The diagram below sh95naci sfy. yautha -6)m21bgows 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 m5; /s2hrizuq( b+ka ct o6wdm7itochondria and prokaryotes?

  What is the correct m*bkh/hkp-5a 0p3zch8lt ( iq kg 4dw,aagnification of this image?

  Which characteristic is not true for both+aex:+trbi-jtt;)tyn x 0c2 o mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litomva w vg 6x66xie)j9.eralis. What is the aixe9 avj .emg6wx6)v6 ctual diameter of the cell in this image?

  The electron micrograph shows g, rxbsihk;./y/y 77giz y eb0an animal cell.

  The electron micrograph shows a dt0i(l;p (oi+zahn8ysarcomere, the smallest functional unit of striated muscle tissue. What is the actual lenihn 8z+o; dty(la0 i(pgth between the two Z lines?

  Which organelle is formed by a vesic 0 yug9a9ea0+(kfwk c n6o(umble derived from the cell membrane?

  Which organism contains DNA in eo;ad29k- oee nxactly two different organelles?

1.Outline one way unicellular organih9z jz m+bzd+ .a4e7husms can carry out each of nutrition, movement and hzb j azz9eu.+hm+74 dexcretion.

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 strn) /zm+q m1qd 2rlwxzd5x98xgiated muscle from the two cell type5g 9mq8rx+lwznd 2/m )z 1xdxqs shown in the images?