Which statement about eukart lmbm k3kpn4hyna1*2gu5: kf4vo )h 4yotic cells is correct?

  Which are common features v5i im4 wya9(/;1wehcecsvao/c8 q1jof bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in 8-l;j txcsx gmt+;o:x the image?

  Which statement(s) abouhjykzlwav, p) 47w( k+t 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 l dak11lh1s dtk* ,l9bzife on Earth evolved from the same population of cells ksz9dt l1*1k,d ahbl1?

  These photographs show the same section of a human retinshv-l 25dj98d2yol fya. What is the reason for the difference between ldy5hvl22 f yj9o8d-s the two diagrams?

  Paramecium produces enzytm1yo2.oh1yg mes that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situation?yho.t1ym 1go2

  What do the two labelled organelles p8ir zdpe7)+phave in common?

  Which organelle has a doublpl.ip79blc0nx* 1 tege membrane?

  Which row in the table correctly identifies structures which are prese5m o7 -hye9zjant (✓) or absent (×) in prokaryotic and eukaryotic ce9myaehz7jo - 5lls?

  Which structure found in a eukaryote has a double mema0: tbhd z,8oobrane?

  
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 p4orp ht0.-li -z p(h /m;akvwthe 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 apparatus?p7m4;vl ce em7

  Which statement(s) about) l23ezy1+4z r6 wyxdziueij 1 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 micrograph of bllzook8sszm+; +e 3 trcs2ibmq ,7 15olood.


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. covkia5(wy)1gt,cto( lli 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 prokari0jx)p ;asgu6k 2o5xpyotic cells?

  Mesophyll cells are found in plants. Plant cellsr;kc/aawah yj8)j*m 2c i h:d0 have unique characteristics that distinguish them from any other cell ty j)ahi cadw2m0k /8:;hracj* ype.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a transveqswdliatao y33,05s9 * yk6 lfrse 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 DNA andp5vi 3b vkqy0hj1 :b9a chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which s, r88iu/s ywfzu.fhxz ,7 elt b)l,bd)tructural featurew,xidt r) ye .ulb /lfu f7)8sz,,hb8z is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosyl9y*vn qlfxc/2rz04tmbiotic theory?

  Which part of the cell is label:vqsg;3); enbi 8upmx- 5a0+ba fbxq lled with the letter P?

  What feature of chloroplasts provides 2q;ft4jt3 lsa evidence for the endosymbiotic theory?

  The micrograph shows an image of auyd1qn mp()9 (6y6tpd(m rjys 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 Vibrio1xukwpo -nv4pbu; celuz2//s h9bh- ) cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell froluv/2-bn 4)z 9;hxb suu -e kocw/pph1m lysing during osmosis?

  Which process is most likely responsible for the/hr,t0b3aks3hy vj :w origin of mitochondria as a eukv3/,a hsy:b hjkt3w0raryotic cell organelle?

  Which organelle is the site of protein syntheajor l r-)y8w v3i9hk,sis?

The diagram below shows a cyanoby2dso+: )ji3fl)ab cw acterium, 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 fig cweldkv; v( up-b55q4 )tcdh2j6zd(y ure below whose structure provides evidence for the jk5 hcte wzbu;dq(ld pcv5y d 4(-6v2)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 mz t8+b8wfh z0-h oazc;ulticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lonz m o.t*lvx,-igest cells in the human -tmi lox vz.*,body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph s :pu,(sq euvu9hows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of( ,vsqup:9uu e vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of genet-bh l /8oncb5aic material differ between kingdoms nbb-co h/58la 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 mitoch4 w5h.nkidj(9l34 s:bpqcn6rvhw) ox5jq b8y ondria support the endosymbiotic theoocwybh nhix63qb5 .58:4kvqs9(4)wjl nj rdpry?

1.Outline the steps in ca x8q p:i.;k 7ggnq3i-3q cwzmolculating the 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 shows7jbmn5jo+nm vq9kbtptr5+2aq.1 ;p v a 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 produce anyu/x so8 hf.-td release large amounts of carbohydrates. Which characteristics would h-xo.sfy t8u/you expect to observe in such cells?

The diagram below shows a cell.jd3xdl fp6o8v7rxf 9(

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 mitochondria /ix9 thg/t1d++ )sg/g xegr b,wyz(r jand prokaryotes?

  What is the correct magn: t 9ahs6mslck9yc,cdfp4 zm+ 0: mjlplcs( (9ification of this image?

  Which characteristic is not ;. +j+hz kecfntrue for both mitochondria and chloroplasts?

  The electron micrograph sh(taty9 g)+rci/ stuo 2ows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the)uasyc9(g +2 trtoi t/ cell in this image?

  The electron micrograph shows an ani;a i hs0-kjg2imal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit 9am;,lol)bav7u2 zuopw0 lii- 8klc/r. 8rg j of striated muscle tissue. What is the actual length between the two Z linlvpl;08 aj)98- o a 7zr/o w.bli2 uckigr,mules?

  Which organelle is formed by a d8csfh)) zs8+/rfjdm vesicle derived from the cell membrane?

  Which organism contains DNA in exactly tsij qf24i -m(pwo different organelles?

1.Outline one way unicellular organisms can carry out each x kd2j+ zo/m f.7tanz*of nutrition, movement and exm. djt*a 7z+kf/x 2nzocretion.

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 h02h yx0 03mr d+f,qdri).o-bzo nj qptyphae and striated muscle from the two cell types showzrxdot3i - d)j .f qyb00,m0qnpo2r+h n in the images?