Which statement about eukaryotic cells is correcak/cs32rmz m 4t?

  Which are common features of bacterios 8 0d(d7: byie ; lr.qv,xjv1dr)ladal cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in t17dk g9 wa7,crz/6yw(bedeh phe image?

  Which statement(s) about the endosymbiotic t:om -db hds5qp*v 6e*qheory 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 li bpht9o.6d-k vdej89r,0,i phr. vrm tfe on Earth evolved from the same population of ceotm0.r, hh9 j9pr,6bi ep-t8 vddrkv.lls?

  These photographs show the same section of a human retina. What is :f 3mt/tp 6ztqthe reason for the difference betwetp:m6 t3f t/zqen the two diagrams?

  Paramecium produces enzymes that catalyse different chemical f+vu :lzby8 r2reactions taking place in the cybyl2+zru8f:v toplasm. What function of life is demonstrated in this situation?

  What do the two labelled orga3i b :yf9 6smniwgucq vsu/e* 6;q:cm0qn7tg, nelles have in common?

  Which organelle has a doublo;yt8, rf5yqse membrane?

  Which row in the table correctly identifies structures which are prese -nv7 t 4dpu6b5ufa-ssnt (✓) or absent (×) in prokaryotic and eukaryotic cells? tf-745 usb-npvda u6s

  Which structure found in a eukaryote has a double membrane4wwsq*1 7 gzgu?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following st4r 2q;i hyfn/patements 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 followin7v+/sg lejflibchk;z(w z2 v g;+0zf9 -6 ecvkg is not a function of the Golgi apparatus?

  Which statement(s) about cell structur a53tt q:pg+ure 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 d1 ruct.0vy,ncw( lc j-t:pa9 micrograph 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 sh;wcx n bw + iz:hbxf.0dd*oc;/ows 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 euk:s+;;ed bnvtjlmj9esrc pd4 3g0es ;:aryotic and prokaryotic cells?

  Mesophyll cells are found ing3l1 nuvdvzez73, 2hqx4q )n d plants. Plant cells have unique characteristics that distinguish them from any other cell d3)3v2hq zxdnvz g1l7 4,qneu 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 seto0 n5c9z h1huction 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 t28hdd rdfccz * e4d9xafu4*9ahe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesisu kmh99ehh*j ;q1jx.a . Which structural feature is common to both cyanobace;k.* ahj19 xhu h9qjmteria and plant cells?

  Which statement prov/16wu 2df4s)konc vtfides evidence for the endosymbiotic theory?

  Which part of the cel lxt u /biddp0t--gt/p2p0sg2l is labelled with the letter P?

  What feature of chloroplasts provides evidence for the 2)uzjag jvz1 7endosymbiotic theory?

  The micrograph shows an im c oqf.a:+;mqzl)l:7uiry 0bj age 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 bacterium Vibrf1/zvwh( 3pr:o5s adt io cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from ltodsf3/ r(h:pzva w15ysing during osmosis?

  Which process is most likely responsilt+j gj:0 wyar9vk +2i,wfhkid :z29dble for the origin of mitochondria as a eukaryotic cell organelleaizf r, dk t+lg:wk29yidj2v0:jh9 w+?

  Which organelle is the site of protein synthes dd;**c;gcox il0s+e(gfv2p o is?

The diagram below shows a cyanobacteriyrnnyz4 ./ejzywk*a zo3hp9ndki + +45.g. qkum, 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 organe;dh+(e15 qpprj tnc g/lle visible in the figure below whose structure provides evidence fo;5ppet/r(cj h dng1+qr 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 multicellularpgnw/2hjp mh)4u -og)c os3-l organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cellsplaex.crsrn 1o/dw jp; 21j;6 in the human body.6jce1;lnwa2pjs rro ;d1p. x/



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shb/4l6z *a7if qlrf s-mows part of an exocrine pancreas cell. Which of the l-7 46ff/qa*rsmbliz labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantit 0/8b 7og-a .hrnchkomy and location of genetic material differ between kingdoms and species. -hbgk.n/ 0a 8rcmh o7o

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 an c 0e5juqq:i+atp.3hgd mitochondria support the endosymbiotic theo:j 0ic.qhu3p 5+g etaqry?

1.Outline the steps in calculating the m7r)t49x e8n k- ytn;sdcdychjz; 4gw-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 shows a ce.a1i)vsg:g i ,mgqeb+ v+ ;yv7jfcm1dll.


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 releb)f19m;ohz,bv(2azo a mhy+ o ase large amounts of carbohydrates. Which characteristics would you expect to observob2vo91); +b(m zm,ay o hzfahe in such cells?

The diagram below shows a cellq ll/ m3-wrhdj2ucaliev0(4:z hz/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 applie5asflwnj5f8 zj7ui k2(ddxr -1d as)*s to both mitochondria and prokaryotes?

  What is the correct magnification of zf +ugex/hd ;.this image?

  Which characteristic is not true for both mitochondri ms3t.qsq7w 2uuf e6c/a and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralk -h,zu*x0 vxgis. What is the actual diameter of tuk,hgz0v -*xx he cell in this image?

  The electron micrograph shows an an+dbvf.y*+ -vf/fq ;kar np;.g8 gzcvrimal cell.

  The electron micrograph shows a sarcomere, the smallest functional un. ys 5c)nf tt1s*f1wdzit of striated muscle tissuez.5 *fnst1td s1fc)yw. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle deria*044buxflv2angs i (ved from the cell membrane?

  Which organism contains DNA in exactly twof e83lf08ld t vi60vwu different organelles?

1.Outline one way unicellular or g48qw(i45x hzp3v5wf dugb 5tganisms can carry out each of nutrition, movement 3igg h 45tv( 4udb5f8qx5wwzp 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 distinguishz-n3ezjq: r j2es fungal hyphae and striated muscle from the two cell types shown ijz e 2:nzrj3q-n the images?