Which statement about eukaryotic cells is correcl)k8)+km5 mjiapm km)t?

  Which are common feat7aums. 7;hti3 xw 3irmures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the ,1g1jnu7ofh ivwvt223l4pvq/1 aade image?

  Which statement(s) about the endosymbiotic theory mxju7e:..az snbii852 el) re 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 lifi3+; b7x/3iall vgx lfe on Earth evolved from the same population of cell3+l7 3flilx b;/avi gxs?

  These photographs show1rv *ekql- xs; the same section of a human retina. What is the reason for ql1e*v; - rskxthe difference between the two diagrams?

  Paramecium produces enzymeskw t/tbcodsb0 q4/;: evp7 vn* that catalyse different chemical reactions taking place in the cytoplasm. What fnv d b47tecvqtob/pws; /k*: 0unction of life is demonstrated in this situation?

  What do the two labelled organelles have in co rsi:7,;i 4r0xovg rbmmmon?

  Which organelle has a doug0wy4q: 5c : xmfleyj9ble membrane?

  Which row in the tabuwfd-xbk1//ns *jsa+le correctly identifies structures which are present (✓) or absent (×) in prokaryotib1+/sw/ s-dkju*an fxc and eukaryotic cells?

  Which structure found in awwhlp vc3v7 1o*m: 54zqe u-xi eg6sf- eukaryote 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 following statemen (ug/6epnkp yt 9((tglts 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 funct3jowj2v iu05 nion of the Golgi apparatus?

  Which statement(s) about cell structure is/are not trus* a3zpvs6 cjn+/r*tve?

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 mimh nc tdvke4:unsh4.fgz/;2/ crograph 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 showsh j i hkbnco.q*,u:)n0j6 5:wkas ll)e 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 prokaryoticm09brq7e to c n xcni8d(c8q4, cells?

  Mesophyll cells are found in plants. Plant cells have uniqu+k lic-dp 2o;73 mcmqre characteristics that distinguish them from any other c l3i;om r2m+dqc-k cp7ell 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 through a lea*3zc3o clq:+ 0oex mpmf.



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 an9yiggv8yzen s6 j79/yco2*j z d chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photi1hd e-ayy4e.j:kz4 josynthesis. Which structural feature is common to both cyanobacteria aeyihj a14:e -ykj4 d.znd plant cells?

  Which statement provides evidence for the endosymbi2 clyw mop+i47otic theory?

  Which part of the cell is labelled with the letter P?ohg)b(ln+p0 .wtp5a g

  What feature of chloroplasts provides evidence for the endosymbiotic theory?vl e1kaojb1c0/l (:n-i-hh muy el-i9

  The micrograph shows an image of a plant ce d;d /dmp9t nbigxokz/igi,6)tf 8d3,ll 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 ce j/xm-4mmqlyc*1b 9hr ln-r/s ll of the bacterium Vibrio cholerae. Which of the labelled st 4rhnc9x*m/jyl lr-1/qmmsb- ructures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for t 7mg nr2y*trua,fwk67l 5kj ;a. -pxmmhe origin of mitochondria as a eukaryotic cw*unk7m6; rjal m,gxa2- kfpy7t5 r .mell organelle?

  Which organelle is the site o3ykgu az0 +1s9-og 82skg2f+y nhajwuf protein synthesis?

The diagram below shows a cyanobacterium, Synechococyj)+-r8f;r /(p z6bf zi orspvcus 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 visible8wnj 93. 6jql laqgw1 ewy1m-k in the figure below whose structure provides evidence fory6nw wa wk1gq9qj-3 l81e.l jm 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 multth9)n 9(dp b.jjy phl2icellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells isrx 8i c*j*qxo1(ae6x;6y boyn the human boy6aqoxc1*r8e ; jois 6xy*(bxdy.



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 qhmzn -w5xu,u-q w/i 4an exocrine pancreas cell. Which of the labelled structures is responsiblew4qm-u5w/-n u, zq xhi for the production of vesicles for exocytosis?

All organisms contain genetic material. The -rad vl0 pg9/e, jmb1+ (rgtggtype, quantity and location of genetic material differ between kingdoms a ag-gg9pm 1edg t,bjv/r+ r0(lnd 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 an;ewh4;/bk ,d(shrbi yd mitochondria support the endosymbiotic theork(s ;rb/e wyib;d, 4hhy?

1.Outline the steps in calculating the magnification of a h6ul m6d:u8 haz4 j.ijmicrograph.

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 ; :;l*czwlg1 odv fmciwb3hf,i42ls 9ll.


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 largcj-kg 1,ua e/ kc0hc4w:uzp: 5aw (wwze amounts of carbohydrates. Which characteristics would y -0z c1w4 auwcp: hw5g:/,(kacukzjewou expect to observe in such cells?

The diagram below shows t jq(7gi+3 pyea 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 applies to both mitochondria -)gvckngfi.cnxb-8 4 and prokaryotes?

  What is the correct magnification of t+uzi,-et- imi4lkbo6r4 )lr zhis image?

  Which characteristic has s50c:mzl+l*se. ois not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella )xz3i5r-gzay litoralis. What is the actual diameter of the cell in this image-yz)gar5i 3z x?

  The electron micrograph shows an animal a/hrl-s hxu6+ cell.

  The electron micrograph shows a sarcomere, the smallest fun7-.-ee*6 avx yx grspictional unit of striated muscle tissue. What is the actual length between the two Z lipyse. vx*6 -i7ax-rgenes?

  Which organelle is formed by a vesic6e ydo6 :u*cuiuc 6/ ix9c,tckle derived from the cell membrane?

  Which organism contains DNAffoew ks* p1er9-y )5e in exactly two different organelles?

1.Outline one way unicellular organ8m nyc7w;k8 eus /uq4gisms can carry out each of nutrition, movement and excreti e78u/4;cwn qkgusm 8yon.

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 (4j , ciocsjen q+6*yxhyphae and striated muscle from the two cell types shown in the ii4n6jycs+co ,j* x(eqmages?