Which statement about eukaryotic cells is correc88w srh5i, kmvmvi9n56qilk 0t?

  Which are common features of bacterial cells? izjd u(1,:6+uji pmif
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is sh)5 nc 1dtb;a*aj6 vwb kg*ed*lown in the image?

  Which statement(s) about the endosymqzc.j vyd:-c h;1w 0 9y33rpptx1 zlslbiotic 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 th6n 6usazqm/pq/cyd,k;) /ogiat all life on Earth evolved from the same population of ka gnudpiz m6q;,/ )yc/q 6/oscells?

  These photographs show the same section of a human retina. What is the reason maihs (c8a,+y z2ko) lfor the diff,8ok)la sh(y2c m i+azerence between the two diagrams?

  Paramecium produces enzymes that cataly;alx8thb3 -la n n6a u7*edzr:se different chemical reactions taking placed36elu a-ntrhna7x* al; z8:b in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles hav6l f6m1d nqmp)e in common?

  Which organelle has a double w v876i eh4swmmembrane?

  Which row in the table correctly identifies structures which are pre2u5fh p3d,ez dsent (✓) or absent (×) ind5,dp2uz f 3he prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double ;8pfwz eu:f*(gk0n. um(zd fl 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 the structure of c8 )g28cc -wm+6mq hvgx7x fjthells?
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 funtj6 lzzk fg16fk,e 5k1 z0:e+.azikn dction of the Golgi apparatus?

  Which statement(s) about cell structure is/are not true?c9zotqs zb3+ ,: ( cto(myutn/

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 bl6 qx, 5jg3etbo a;c:bzood.


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 shows8j:khq;u3 fx tquu; ;h 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 eukaryotic and prokaryotic cell(ipfn qe c(k8. ec6 mmrse0j32s?

  Mesophyll cells are found in plants. Plant cells have unique charau m*)gobe48hx o4r3u dcteristics that distinguim3x* o rudg48)b4 ouehsh 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 l,ez883lu3ie njttpbo6k 4; okeaf.



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 chrb26g-y h4rv(bw u -fejomosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which s-wkcufk96n y0gkedr z/8 ,0k atructural feature is common to both cyanobacteria and68aufg r,y /k0-k9w0enkzkdc plant cells?

  Which statement provides evidence for the4uty,v 7+w1 awgjcb/5xgcfq q,8d7k a endosymbiotic theory?

  Which part of the cell is labelled with the letter P?4s i4us +ht7v.l(m;je- dlaih

  What feature of chloroplasts provi8gt -g qijz 2ylk*fz)8des evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell take h60cf0nyapm4yh b, 0vn 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 Vibgioe92jv-(x jk ccn7-rio cholerae. Which of the labelled strucnv-c7-9iogk xj2ce j (tures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin ofpzj+3e dbn + a0rmlzda1- ,oa) mitochondria as a eukaran e +jbp+- ,am301) ozadzldryotic cell organelle?

  Which organelle is the site of protein synthesi6z0 0*e*,m1qqjldr oo6flnn)(pv q)c t -tails?

The diagram below shows a cyanobacterium, Synechococcus elongatm8b d;rq3d4gg 7)ctzb us.

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 pr hai:8hus,nwq2,* afcy,4n nw/ xc6ubovides evidence for the endosymbiotic theory.abx 8f4cu2nc, wynquh/ ,ina6* swh :,
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 unib+53 vzzoanc+w8 g+ykf68m.9pgl0fyhw + opycellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lint24 yz4y 8:iq a9yttongest cells in the human bo y8i24t9a :4iytqnyztdy.



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(x4nam9bp - fk of an exocrine pancreas cell. Which of the labelled st4(9k- nfx ambpructures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location avbd t6s0fdxd5tcit8 h(*b;: of genetic material differ between kidisd xtv b0;8btcaf5dth(:*6 ngdoms 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-nlmg7 uet a)x u1n;/a5jeac - support the endosymbiotic t ml g; / uu-ceanx1-)7en5ajatheory?

1.Outline the steps in calculating the magnification of as;(e/ xrhaqb. -+dd 2h+pkt yc 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 c uf4y5kml+ijah 0q4za:l gp3*ell.


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 carboh r8rtv hdb/7 .6l92bniy;w plcydrates. Which characteristics would you expect to observe in such cellswry./id8tl9hr vp 76;2blncb ?

The diagram below show :hnfdq(,s+jai 2.lm xs 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 appliesh qv jp+qm4 owkkap)7 2i6n4y3 to both mitochondria and prokaryotes?

  What is the correct magnification of t;hd:xdkc5xre ,71gb :cq cx:qhis image?

  Which characteristic is not true for both mitochondria8: 3 0qkzsz+o9zxi,i/zyxit a and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Whatc5qp4vs a6 lf, is the actual diaqs6c5 4fvl,pameter of the cell in this image?

  The electron micrograph shows an animal ceuzqiz5ds /p z7k7+5 call.

  The electron micrograph shows a sarcomere, the smallest functional up2ja-,ik/k3ki4zb us3 ;zk (ru ja -jxnit of striated muscle tissue. What is the actual length between the two Zk a-zk2pxsau,ij3 /(-z j ru bk3ij;4k lines?

  Which organelle is formew60z 7z5,ba-(3mf grzov ql zi*jfgj6d by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two differe 93cb/pm/v w tcpuq5mak5ek- h5ws,1ka8 i*x bnt organelles?

1.Outline one way unicellular organisms can carry outr-m,. qhenge4 each of nutrition, movement and exc qm.4r-h nege,retion.

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 frtnsg14ye5,w6tk cx+ z1qjk64+y jghfom the two cell typ+ g1 +6ksy4n f4qk5e 1x6yt cjjghw,tzes shown in the images?