Which statement about eukaryotic cells is co9ccdx(n p,(gc lu y*2orrect?

  Which are common featme fp4s-1y3evh s) gjbg, yc;,ures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is sh0 4xe+txdw)xg*y,yn k own in the image?

  Which statement(s) about the endosy ymj i./4,hp1s2irowtmbiotic 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 life on Ea lc, 7ww6ztck p8q-e4erth evolved from the same population of celzl wtpccw4-,67 8kqeels?

  These photographs show the same section of a human ret3-vl6/epi:giey 7r7: to nwdyina. What is the reason for the ny7- :ydoepge3 ti:li/6v 7rw difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions tak047(uo5esk hh whx *pning place in these4 x(wnuhp7 kh0 *h5o cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have + 3waqj2y/bkc in common?

  Which organelle has a doubm8 f h33qlz;tfle membrane?

  Which row in the table correctly identifies structures which are pres fkd8 (c3u5osient (✓) or absent (×) in prokaryotic and eukaryotic cels5du ik o(f8c3ls?

  Which structure found in a eukaryote has a pin08 2 avz2 43o1k6carprkf ndouble 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 cells? 8 6bf*4x jda mw*2kghjr :ce5v
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 functionj5u/gj,wz kw, ja6/tuhsf547hq y3 :dxp s1u e of the Golgi apparatus?

  Which statement(s) about cell structure imw;tego/ds +2: 0kkmis/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 zfyg dwnxqex(;n 61e7p+bv a55r 4f/d 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 shosplu c91j0ye bs5;kg0ws 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 bothgw )9y a+j+t lfd-cr*d eukaryotic and prokaryotic cells?

  Mesophyll cells are fo75/ct w,irk/uy, yyn/h7 aavr und in plants. Plant cells have unique characteristics that distinguish them from anryuayc5na i,,v7rtyhw/ k/7 /y 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 tu y2m8do t2crp z1 f:enk(s-y+xd/ (osransverse 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 and chromosomes of bacterial c i(75fo 7s dn*fum0nm bmrwf 3g7gj3+nells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. W0/,qjno z 3dg8kl k o/bpxq6e*hich structural feature ox3 zpql6dg ,ne0j bo/q/*kk8is common to both cyanobacteria and plant cells?

  Which statement provides evidenm .ugem)ea/ cv5 o;xyu: 1slb7ce for the endosymbiotic theory?

  Which part of the cell is labelllim3ldq-ste./u.qi z3 m8wa-+. ani n ed with the letter P?

  What feature of chloroplasts provides evidence for the endosymq),.nxcj k rt8biotic theory?

  The micrograph shows an image of a plan1z+; hhzt ht5ifi99uz t 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 bel4 thg- ;6dp5u2s+o j/ofrb ,epxtfv9zow shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects thefpbh6z5d + - tx4 ujo,92soptrge;f/v cell from lysing during osmosis?

  Which process is most likely responsible a.t)a6 3pqt3p gwu/or e3ma9zfor the origin of mitochondria as a eukare.oa r/ 3w3apt qa)g6u93tpm zyotic cell organelle?

  Which organelle is the site of protein synthes 6hc(y)z m8qegdl, *bpwi81ruis?

The diagram below shows a cyanobq5yl t 5mvcp6o )a*sd+3k efh9acterium, 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 figure be sv qr;gk6p 5suloj*a3nk-)te++2vs elow whose structure provides evidence for the endosymbiotic thek2 q5t+l jrue*n6; ps+s3vv g)-sekoa ory.
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 unice)/mf5coyci0o llular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are t, s6bocdu5(no he longest cells in the human bodnuc5 odb6( ,osy.



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 pancreas cell.6k.dt(1 uzau g Which of the labelled structures iz6a(uu td. k1gs responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type,5 /-t(do7(g8nvrcjg2u chgvx1mzd -4 h ow6zg quantity and location of genetic material ddoucnh-8v5cw d2ggj1 (7 t(mo4r g-zzxv h/ g6iffer 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 the ;*ny/l nmn7gaendosymbiotic theorynalg 7n;ny/* m?

1.Outline the steps in calculating the magnification omoackm,+o9n v,-+v ekbl v++ra4;mpx f 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 cell u3rn5e-k9d y+upb9w b.


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 +u np1s+gc 0vq/4 lktsrelease large amounts of carbohydrates. Which characteristics would you expeqv4ss+pl kgt u+n01 /cct to observe in such cells?

The diagram below show( l7,aiqyp 87vaaeaomzp 7)qce-o 5 a2s 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 applix qo5li,4z/k t3b 5q-knsvs2r es to both mitochondria and prokaryotes?

  What is the correct magnification of t,bk5- t8 .xzcejcmr;iw+ km4id.d.kg,vu gi0his image?

  Which characteristic is not true for both mitochondria awq5y0 cdy*o .g,; o(cjfgz:klr) (qprnd chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. se - dttgcw* ,am5+hr vljg:4.What is the actual diameter of the cell in t*+t m.:ed 5h4cjw-g ta,g vrslhis image?

  The electron micrograph shows an animal cell. 6qjgc/ *kn2vjx5x2szoxoj 60

  The electron micrograph sg*a:.zfcui- ) jkje,hhows a sarcomere, the smallest functional unit of striated muscle tiss .j-u)kh*jcfizeg a: ,ue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesiclecglslgz13g8t e8/f+x 0 nh5 ty derived from the cell membrane?

  Which organism contains DNA infm qag6 vxj3 .fa-)6xu exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutv2s 0n30llok9ntz )mzrition, movement and excrskv n2llt309nm zo)z0 etion.

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 striateix.7kp o*j2c od muscle from the two cell types sho* jxp. ooick72wn in the images?