Which statement about e9d f :lf6kvid+ukaryotic cells is correct?

  Which are common features of bacterial cell .yse)rh* 2scbmxpd(ciha9;2s?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the i 11 *; gotjyi j)jikz7n1s.-+yii yhbbg60 nsumage?

  Which statement(s) about the e:d/)uxhedbp 8 ,2mbxw ndosymbiotic 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 eihz+/iaz;aaip7j)g5 d3d c: xvolved from the same population of cells);iijd5+7h/3pazizgd ca :ax?

  These photographs show the same section of a human retina. What is the reas0vzy dz.*v)y29el x;hxenngqj)p 4t. on for the difference between the tw)ze 9nx.le qd)t.*ynj gz y;2hp xv4v0o diagrams?

  Paramecium produces enze /8 tndo1,eoxymes that catalyse different chemical reactions taking place in the cytopla8 xe /1doonet,sm. What function of life is demonstrated in this situation?

  What do the two labelled3-bif oj ;j ax(3)0rsaj brz6.k)cmhg organelles have in common?

  Which organelle has a dhkm m8/4o mn*2*px4 linllgh,ouble membrane?

  Which row in the table correctly identifies structures which are present (✓r(+k21tkxqt nx 8wh,f) or absent (×) in prokaryotic akwxr+ kq 2,txh81 nt(fnd eukaryotic cells?

  Which structure found in a eukaryote has a double membr 6t 3nqu+rgh;lzl qx3elb4;y7ane?

  
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 aboueyg;+ong:i ,v;cvi6s6 a7bx.huy /c-endki: t 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 functijh +7jbt*25e kmjyc7oc-p gg9 kf0-voon of the Golgi apparatus?

  Which statement(s) about cell s84e7a i .ewcl8lk7,*tyq skxptructure 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 microgro cdazsr k2q2hhzc+) +s..b .eaph 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 s6u;u0sk pdtc4hows 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 i r(7d e4z635g pzgfbzpn both eukaryotic and prokaryotic cells?

  Mesophyll cells are foyv0t k2z(2 ph8c s8tlg5 ifsn78mt2npund in plants. Plant cells have unique characteristics that distinguish them from any 72tcni0hv t(5z8nf 8tpps m8 l kgsy22other 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 through a leaf.vh6yn9 t, ,emr



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 z uejfrai:1yr52sk52 describes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structura ex.h 3 )jvbumbo) jxgw9/a5r)c;x5 ecl fea o exh)g)a5c rjc.mv3bx)b/e ;9u5wjxture is common to both cyanobacteria and plant cells?

  Which statement provides ev w-t(jxyr.bp 5v rxc+n1y u5*widence for the endosymbiotic theory?

  Which part of the cell is labelled wx93es;1-q ys9xk4s lyduwz o7ith the letter P?

  What feature of chloroplasts provides evidence for the endosymbio5:v;prni8pm -qu4s .s (vcsxctic theory?

  The micrograph shows ,xhhc 5zk*5 qban image of a 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 Vibrio choleclg ht90x1er( 1cm5 1ap g/)al erx4vnrae. Whir0 9mxvx(1neae) lp1l/4a1h g ccg rt5ch of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochonb*f lgt.8. xi:exzq nn;1b( vzpbjo; -dria as a eukaryo;8 b:.f t j-;(qxv.glzp1izbbnxon*etic cell organelle?

  Which organelle is tc7(zgkze) 8qtaee b0i*my +p;he site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus+n/ (cem 2o1 dzgf-yh/0litb y 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 below whose str+ti5fy hi sud/e vgzxh24k;8 :ucture provides evidence for the endosymbioti di 58g;h2z xuk e:vtfh/4+yisc 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 are correoy nb8ym 3 ldkb3/4td;w0p*lgct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the human20+ 5mz0(ez d4glkgdbdks t+h b(z+ 2lgh+gzd k50 bte4 skddm0ody.



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 pancre ihg7w )4 zqnpxub//rzsb(m72as cell. Which of the labelled structures is responsible for the production of vesicles forx 7nzq 4m(/swi)rp/ g7 zhb2ub exocytosis?

All organisms contain genetic material. The type, quantity and locati.rt6cwwf g 8d-on of genetic material differ between 6 dw.8c -rwfgtkingdoms 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 suppora j :txw, c.(caku5w)98;og r xop4wpgt the endosymbiotic thxr;,a45ck8u 9o:og ww)txpwcj g.p a (eory?

1.Outline the steps in calculating theot,usw02 b8 acmac21 )k-rhnl 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 a ce79 2zvfaqbq+eo (iwcq fqj2v l/6i.t2ll.


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 larduo6 ,doq 1qpsnh7 v+p3y9zn) ge amounts of carbohydrates. Which characteristics woyd q puso9)o1,3n dph76vq+n zuld you expect to observe in such cells?

The diagram below shoq h(w0kii5x7m ws 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 applies to both mitochondria and priwb.-w*ks txnpk:) b+okaryotes?

  What is the correct magnificatio7; 8vkn-j ikktopc:z-i.rm 2 sn of this image?

  Which characteristic is not true for both muo8 alc(aui,22ig-c dr3s h8bitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What lm m0v9j4cn1tis the actual dilj9m4 mcv0 n1tameter of the cell in this image?

  The electron micrograph shows;t6fk-ece,b p0 n5 i/qqjxl, d an animal cell.

  The electron micrograph show /at -+2tf4 qyowgic2ds a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z liny4-2ig a2totd+/ fqwces?

  Which organelle is formed by a vesicle derived from the cell membran)wcr9 +xr7u/xi pq3zas+uzg2 e?

  Which organism contains DNA in exactly two different dtg kyo-9 .i(sorganelles?

1.Outline one way unicellular organisms can carry outjhhnm t*++aiv l8t1/no*7xw f8q(f ef each of nutrition, movement ano ate8(fnx/*1l8nhi+vfjq wht *+f m7d excretion.

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 fupyrn vvi7+hcqo edl) 5il,x yd*)f1pw1m2g.*ngal hyphae and striated muscle from the two cell types shown i)1i1 m.ix d7dwpfoh,* n+y*2 p y q)gel5lrvvcn the images?