Which statement about eukaryotic cells is correct? b4qo rmipc ev .atp3.s4l7s15

  Which are common features of sagvox-3z fc( a2z: i7bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shownnmg+;s,e9 )v ot pns+by61ka drcg2(q in the image?

  Which statement(s) about the endosymbiotic theory is true7t )c0f ye,h up*m*a5a+sevrq?
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 x k1kzp3ms5ow6 *bol(all life on Earth evolved from the same population of ce 3(5 *okomxpkwlsb16 zlls?

  These photographs show the same section of a human re/3xw ,; as ch0vanrue/tina. What is the reason for the difference between the two diagrams? ;evc3nsu,r/x a ah0w /

  Paramecium produces enzymk4dxvg 5.s8ni 3adx4y es that catalyse different chemical reactions taking place in the ax348nxdi4.kgy 5d sv cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled or(i4.3y9skguau3vh -f eq yjs5ganelles have in common?

  Which organelle has a double memm*7mv9tjw9ch +ha/f (ea 2bzxf2n a8ubrane?

  Which row in the table correctly identifihpbj .q a:9etc 2keip:,e ueek0 q1y(:es structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cqtk2bpueih eck:e(,ap 0q1e. 9: ej:y ells?

  Which structure found in a eukaryote5vrw vp8usg18 c npya7rj14.m8 i.iau 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 followit+zpdysvd/*s 3l j) 4,ba6e4 oxx -dobng statements 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 apparatu, q2k vbko3,nvq+qn;i s?

  Which statement(s) a-.m(lvt , u;mu-ta0ldf( qootbout cell structure 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 micro t o8bxcf5lg xcg99vz0:.jz5p graph 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 ce.o: qx4iq /hr5v.dx8bqt gq +tlls.


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 andw m *gr)/skbe+ prokaryotic cells?

  Mesophyll cells are found in plants. Plant celkv 7 ls,,fes2zh hr8knps h n6(vbb(53ls have unique characteristics that distingui6eb s3hshp (fk n5n ,lb(hsvr, z8k72vsh 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 throup owfg+s-t :t/gh 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 ( )9hkrgmgc- vthe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotkxfj3;ae*by;b3el5 l a03.gy kn)b fh3+ydv yes that can perform photosynthesis. Which structural feature is common 5*j b3d e+ )ybkv el byxygafy3f a.3h;3l0nk;to both cyanobacteria and plant cells?

  Which statement provides evidence for then 2,tdbb9ym bsx8,kv7 endosymbiotic theory?

  Which part of the cell is labelled with tq7 8(m2omgz 3 cl4p5 tpexuo9she letter P?

  What feature of chloroplasts provides evidence fora9.x afclly7*7s 0sx t the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken withm2,ty,k:ldgmdc1 tb * h*q+ru 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 micrograp ;y :zk1b sp6zydu.x5yh below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’ s6dzukzy xp y1.5;y:bs shape and protects the cell from lysing during osmosis?

  Which process is most likely responsd 1+e0d y .l nrub2lkcu35.skvible for the origin of mitochondria as a eukaryotic cell uvyb125ds+lu .0klkr3 en c.dorganelle?

  Which organelle is thc1p amu ion7q4;+b+ak e site of protein synthesis?

The diagram below shows a cyanobacterium, Synechocomls4u io w2li:1 bh:mymp 8y,5ccus 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 provides 6b/xho;x o5hcevidence for the endosymbio;cxx o/6bhh 5otic 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 multicellular organisms are corre4b.rwvcxkr(qqpz -)/w 9-zghct?

Below is a diagram otzwevts. 46*urusbxw9+n/j 1.r 0 txm,dmwn;f a motor neuron. Neurons are the longest cells in the human bodynr/v* ;ujxtwwm1s x ,e6zd 9t+r.nt4msb w0u..



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 pancr + hz. ;6)ratnc.zux6s4ovlaj eas cell. Which of the labelled structures6;cozhslxun4.j)zar.+va t 6 is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, y 7pnxd928m7io(mcqd+ 3l rbu quantity and location of genetic material differ between dyp+qb39o( 7mlm rnu87xd2ic 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 chloropl;c 0jt3xi5c rwasts and mitochondria support the endosymbiotic theorw ; x5t3jccr0iy?

1.Outline the steps in calculating the magnification of a micrograph. zuxc)yyra;p-9 x v/w+

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

  The diagram below shows a cellxd n c,ce//rj,e+xi, y uc+dr;.


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 carbohoy02;:t lmqbs ydrates. Which chlmy t:;oqb2s 0aracteristics would you expect to observe in such cells?

The diagram below shows a cel,6nc :4w jbdqol.

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 ak-8fem-r4du to both mitochondria and prokaryotes?

  What is the correct magnification ofl .fdg 3jgs8 9xhbdd+9 this image?

  Which characteristic is not true for bqb+yauc+v/x0 oth mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What ynd1398x:nbtpbry jns(ts + . is the apdj(y8 tsy r1n :9.xbnns +tb3ctual diameter of the cell in this image?

  The electron micrograph shows an animal celfo 0lnw pbz.4;l.

  The electron micrograph shows a sarcomerephs +w str40*;zt: nei, the smallest functional unit of striated muscle tissue. What is the actua sstte:pr+h iw04* n;zl length between the two Z lines?

  Which organelle is formed by a dpebfhyeaks q 7 ),8j2z*ea+5 vesicle derived from the cell membrane?

  Which organism contains DNA in exajti.t*l(h; ejyy7 a tj(mh6 +octly two different organelles?

1.Outline one way unicellular organisms can carry out ea llq ;la(+g8zxch of nutrition, movement and excretion. lzl;(al8+xg q

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 distingk+g b-ojq d9 2,3 vkau;tni3xauishes fungal hyphae and striated muscle from the two cell typestq3a xgdnkka voi ;b-3 +,2uj9 shown in the images?