Which statement about euq 1i b5 1mtz24kpog+eykaryotic cells is correct?

  Which are common featwu1h.i9 us0i. m9 zfroures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imk,ttm4m:+ w c2h jc 4agsi1n0uage?

  Which statement(s) about the endosymbiotic theory is true? vro esj:):c;y
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 dqlg9mrw1ho6gv (7 4don Earth evolved from the same population o16qlohw(gmv94 rg d7df cells?

  These photographs show tu hmjfqq94- avofd3 33he same section of a human retina. What is the reason for the difference between the two diagra d9ao3 -j4f33hmuqfvqms?

  Paramecium produces enzymes that cat f mh8ywq //;+y9rj 8+ydwnjqvalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstr;jr+8 /8+y my/nyh9 qqdjwv wfated in this situation?

  What do the two labelled organelles have in commolqq ,dp/ i4k3q ct/ dbw(b0+een?

  Which organelle has a doubl *e+vin)ofew v* 4m9 8bj2ppt)w3fmcte membrane?

  Which row in the table correctly identifies structures which8mz,yj )lrrz d pq,0m3 are present (✓) or absent (×) in prokaryotic and eukaryoticj0)3qmr yr8 dmp,zzl, cells?

  Which structure found in a eukaryote has a double h1ynxvi*6 5m8i)erjkmembrane?

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

  Which of the followi) ygv*p 11 kn6qqn4zewng 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 imq7ak7q .n p6,x jdg,1v j -kpdn3r4vthe Golgi apparatus?

  Which statement(s) about celvzu.e;da6 gd*l 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 microgrnx t4;er4(b q r)ywjp1aph 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 sho6*m 1*m/5enn uw rqjmmws 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 c/k,h 42,alzzfkmwk9 pells?

  Mesophyll cells are fo2g1x+ x xe/6kdc(xvozund in plants. Plant cells have unique characteristics that distinguish/z +(vex1k6 gcxx od2x 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 thrim6 w ruc+r)an1nbf8-ough 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 dez s l1xv+vklv w8,w), ukvk/o:scribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokary0l : b1qyuv 00ajfpgl;otes that can perform photosynthesis. Which structural feature is common to both cyanobacteria ybgf;lq la00:j1vp0 u and plant cells?

  Which statement provides evidence for the endosymbiotic theo7s/ )r)d9no6k6+c lun ntvtexry?

  Which part of the cell is labelled with the letter P? cu 4y0fd)ox:+7mwm enno g9v,+y*/ pn vwqr+g

  What feature of chloroplaag4u7u *m9 mugsts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscou4s /5229z u)aft sp( fuodrj; 5drerrpe.

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 shoar; ug2ts;-a b+phs/zws a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lyspzbsa2 rsug;t+/;ha- ing during osmosis?

  Which process is most likwoy1uv(s5c,u ely responsible for the origin of mitochondria as a eukaryotic cell organel(y 1cwus,uv5o le?

  Which organelle is the site of protein s8 uku.3n 8ywxzynthesis?

The diagram below shows a cyanobacterium, Synechococcus elonxtty *8a 0wa rmok,ix7 f4w,9n +gby,wgatus.

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 viseoy60xs o;d x1ible in the figure below whose structure provides evide61sx0;oxd o yence for 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 unicerkv 3rt4.b2k7p n vj)hm6h .collular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the huma c 1x9 yg)lwe2l1eb wqnet515rn bo 5259nxw1erwtel)1 cl1ybgqe dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electr2g5c4bmxu5 qmp0 q5 zdon micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the productionm x pcu5qbg2d4q5m50z of vesicles for exocytosis?

All organisms contain genetic material. The ty5cn0bxc :jev4 pe, quantity and location of geneticxjce5 cnbv40: 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 support ,,f95ymf j3-;1 rf0rnb jnmbr npxl.,;rnw p sthe endosymbiotic theo ,b5npbmrwnf-0nr r;m;n 3fp91., x,fyjjlrs ry?

1.Outline the steps in calculating pwb305: uaj tbthe magnification 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 anv87 ,0mkj4cwgf5;ue vv s0jd cell.


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 produc 12 nmytq8 mkx09dd*ebe and release large amounts of carbohydrates. Which characteristid8b qm*9key 0nt1dxm 2cs would you expect to observe in such cells?

The diagram below shows a ce+br:uz ;z0k(kp f xr4wll.

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 appl /kk hrt-z00xhies to both mitochondria and prokaryotes?

  What is the correct magnification of this imaymrv0awjw ,y) doi4bk*(i1 -age?

  Which characteristic is not true for both mitochond qoh0nh( 2q5ytria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litorahr y1izlg /h3-mt xx5kn/v b35lis. What is the actual diameter of the cell in this image? ixt3h- 1 /gbv yk55/mhlxr nz3

  The electron micrograph shows a a/j x yzdbj4q.-n)ydmgs* g,4n animal cell.

  The electron micrograph shows a sarcomere,qxmm :k1npww -5u sw,3 the smallest functional unit of striated muscle tissue. What is the actual length between the two mq-5nx ms, wwkw3 1up:Z lines?

  Which organelle is formed by a vesicle derived from the cell meq c,bvh-(di9mfy5gs 8mbrane?

  Which organism contains DNA inyvd .kb (+l1vw exactly two different organelles?

1.Outline one way unicellular organisms can carryxi(ao1d n0wq 0 sjz,,i out each of nutrition, movement and e 0 dsxin,1j(wiq0 ,oazxcretion.

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 distingu0sig..u 8 xo1ny0wgmrishes fungal hyphae and striated muscle from the two cell types shown in t 0g.msw1xuryn8io.0 ghe images?