Which statement about eukaryotic cells is xs;(v+ gr8ahtcorrect?

  Which are common features :r: nsk d+lo6iof bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown isc)dv sl ,w/a3r 2qp/gn the image?

  Which statement(s) abj x j6qot7b0w7z ve1 2xo9ejy*out 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 life on Earth evolved from the same poo a1 gal e65k6y0cqidv r/9x7mpulation of cel61gq i myxe75 o06vac9lr/a dkls?

  These photographs show tugqrkax729a3f y ai0;he same section of a human retina. What is the reason for the d fxa29;ku a ra37qig0yifference between the two diagrams?

  Paramecium produces enzysl- rhvtnb wu i42y*.1mes that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonsv*b4r2n.u l-t whs1yitrated in this situation?

  What do the two labec /ld; ih:i1pn :5pebhlled organelles have in common?

  Which organelle has a0 5m; 3eyqudoa double membrane?

  Which row in the table correctly identifies structures which are present 5vvr uox1y y-.(✓) or absent (×) in prokaryotic and eukarvyryv. o-u 51xyotic cells?

  Which structure found in a eukaryote has a doubmiie1 d-4 7drmle 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 tru7t ml z5o8)y w:o8dwyre 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 funtul7+9kf.d la ction of the Golgi apparatus?

  Which statement(s) about cell structure is/are tnygx6v4/ 1-do if554 2x+jijtumr jt)zaa3u 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 mif crfbl33,;6aznh i u7crograph 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 ce0mxi-/cd4 w wolls.


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 fow bi,zkgy8bg z/;sj r0 fakzd,d+7d++und in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells* j/ e 9 zaobbog-i;zvxo+8,qv have unique characteristics that distinguish them j;oeb8z -/v+a*g z,qv oxi9 bofrom 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 ty ptwn4+7ce/x1e n.xyransverse 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 ttt5tqh , bt,;khe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Whmd.ci8 ufivmj(n5 rqt6xf* x* 9c(g0hich structural feature is common to both cyanobacteria and plant c08r9ig m xixqv5h.jmdn6t* c(*u(cffells?

  Which statement providm;+(k4vswza7f u s. zdes evidence for the endosymbiotic theory?

  Which part of the cell is labe3phhc-,jk ;o06ikr*ue 2b o+*5bpafvnbe sr 0lled with the letter P?

  What feature of chloroplasts provides evidenc:ed z6n llz j-qd.l5j(e for the endosymbiotic theory?

  The micrograph shows an image of a plant celly 8a1m. w6baq0 qya9tp 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 t2xwg*nvhu84 below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures mainngh u24wt*x 8vtains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a euk,dmg tss :g2xh1f3l*garyoxg2g*:fss g ,31ld thmtic cell organelle?

  Which organelle is the site of protein vydvs n0, x px4ox-h-dm5dt 88synthesis?

The diagram below shows a cyanobace h (l6y)m 9xgmkyo3 lh;dr.j(terium, 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 fizu 0 rey73sn5-1epv cg6z*u gxgure below whose structure provides evi5s z-exu6r* uvy z17ngc0p eg3dence 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 unicellular and multicellular organisms are8mar/)mbo7 ruwgwb ;pg o*01r correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in t*p ;xen qp* kd(vx-fae( rcd6:he human een v-:(xr;(6pxcp* f* ddqakbody.



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 exocr6j .bjot0k+ - iy lrh5isxb6 n8zg0k(kine pancreas cell. Which of the labelled stkoz8 +lt h.jxbk06rn56k jy (0gs-b iiructures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity4 ;be4*c) bq)r kbjgq eh2iv,y and location of genetic material differ between kin4ghcbe4vy*krbi2)bejqq; ) , gdoms 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 mitocei/s.xps/ qe4hondria support the endosymbiotic theory/psee q.i4/sx?

1.Outline the steps in calculating the magnification b lh 8vbx j2 *myx)kjuo4.vz1.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 a cell.7sog *q 8e i1mgt -rbcm5eb+vf;r38y c


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 lu pg in /fcup09wk++jp8y(peymw lw+,/7a; v and release large amounts of carbohydrates. Which characteristics would you expect twm9;gup0+pjn 8 cp/, /vf+i(aep ykw7wlu+ylo observe in such cells?

The diagram below shows arev2 +/7l psgb 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 applevuy0 e:e1 8xd9ngu r;ies to both mitochondria and prokaryotes?

  What is the correct magnificatiojuu4j*4 a5n qrgh6 .c(s2er djn of this image?

  Which characteristic is not true for both mitochondria and c g2 8fdp. / 1.pl5guu:pvgygxwhloroplasts?

  The electron micrograph shows a prokaryo(isev:c/p+5+m+rqe jm0 4y vjawu*pjtic cell, Cyclotella litoralis. What is the actual jyc +wsiv *j+0mev(q5/:ua prj+ 4pemdiameter of the cell in this image?

  The electron micrograph showskyo* xs3kz3);ta tqw5 an animal cell.

  The electron micrograph shows a sarcomere, the smallest functi1bvo/0j++v+pm-uu 0nsorp z y.icj7qy7h dy8onal unit of striated muscle tissue. What p 7ds .vjyy1j +yb qo+r+ch/ 8no zu7i0p0muv-is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membrane?iyy+uv*h,z gj0y3n j:

  Which organism contains DNA in exactly two djs6;+ona4gqj gf90is y4/vv rifferent organelles?

1.Outline one way unicellular organisms can carry out each of ;1mnd+jw myr0 kw eg* sqed/v 6y0:r5gnutrition, movement and excrwd6+wg;/1dq:eg*meyjny0 mrvs50kr 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 striated l7w(lw)m9 8w )xnpe ykmuscle from the two cell types shown in ll pmwyw) 8ewk( x)n97the images?