Which statement about euk dg2db3d.lnk+rfcvh 58z:z7 p aryotic cells is correct?

  Which are common features of ba8vwvq6bqo1 mj7 4z ud;cterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in theudi22mprnt1mgo um/m pah-4xb8 +33l image?

  Which statement(s) about the endosymbiotic theory is trug):+//l 0enqs beiqcez5 g/wnad/ *x pe?
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 evcm*5vu;*t:0smzjpeoi9 kl 1 oolved from the same population ofp*u *5mizve mj 1:l 0soko;c9t cells?

  These photographs show the same section of-f;6;-d jd.dx0rb, sslqf pk y a human retina. What is the reason for the dif. syjk,-- fdl6;qd0sfbrd; xp ference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions taki0juhj:+dy cn 9b8 :at(k.axtwbhh:)dng place in the cytoplasm. What function of life is demonstrated in this situatiob9 ) jxjh ct ya+w:hnhdkat:8d.( ub:0n?

  What do the two labelled organelles .7 t nvm( u2ef1lvv:xzfyzq/8have in common?

  Which organelle has a double membrhec 32 rakk*rm+m en 5qmffhc2:1(su8ane?

  Which row in the table correctly identifiesl5bd: j3 svm2e structures which are present (✓) or absent (×) in prokar:m3levj2dbs5 yotic and eukaryotic cells?

  Which structure found in a eukaryote has a inc,/s17k chodouble 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 h3my ewt:b(9wp 4ljc+ 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 appaig tk9xh8;g; 0 2x/su*qr 2l6mc;x 4t ondbnlgratus?

  Which statement(s) about cell structure is/are nib.9r5/daybnb ql6 7aot 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 blood. ;. 366 pajyu s8x2rep2yhrlc a


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. colee44xh7tb t -fi 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 eukare 3l8t az rs3tdjq(;9gyotic and prokaryotic cells?

  Mesophyll cells are found in plants.yg lu szw n/ :rox9ro3l60b(a- Plant cells have unique characteristics that distingu( o u3worsnb0xr9/6 llgya z:-ish them from 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 transverse section through a le,:c r9gbk wa55 z-tzseaf.



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 chedlj50vhn )a8romosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which tybij ;49fikd8 m3d5rstructural feature is commo9j3d8rft;ybi5 d mi4k n to both cyanobacteria and plant cells?

  Which statement providl8amcs)zlpi, 02:i.4oz o k i(dx8 dqpes evidence for the endosymbiotic theory?

  Which part of the cel v p)/k: h:oiplfgcyj*5t*(wal is labelled with the letter P?

  What feature of chloroplasts provides evidence ,vy0(dm+ bjq cfor the endosymbiotic theory?

  The micrograph shows an image o *;ip;ju+o oh .fer.shf 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 un wza.0ejd k93g+;ja cholerae. Which of th kauj+9a 0egwd;z.nj 3e labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the y 0mz*af :,(o(vgeje jorigin of mitochondria as a eukaryotic cel 0( (yz,ea*: gvjmfoejl organelle?

  Which organelle is the site of protein synthesigas7+.nxm j )hs?

The diagram below shows a cyanojfyodq.5;c cs-ab29y h( r wk-bacterium, 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 below whose structu2zq0,m)v vj bde(u-g gre provides evide0qb( ,2-)ujggmved zv nce 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 organz2+l)x uyf+ 8a zt2bivisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the humam5zp( pxz/eqb3iv hcn9 6 btma/8ou2-n mzvot8/hxq56p iu-pecnb3(92 m b/ zabody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrographgww(zz7n8 s(5hklq(: whgui 6p a.v1o shows part of an exocrine pancreas cell. Which of the labelled structksqi7h(1l wv.o( 5z 8pugg wan:6zh(wures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic mateiq8ee :1xl m4hnenf,/ rial. The type, quantity and location of genetic material differ between kingm:e/ fhixe n n48q,l1edoms 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 mitochondr*8i4f yb qa(j/br /fyzia support the endosymbiotic theo(*4ifqj 8ybbf y/az/ rry?

1.Outline the steps in calculating the magnificatio--w4r i l1a7ay:fp s5g vf2xoon 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. 7yubk1sj ) ypql 2wi6:whk9f -


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 producebfc* zed5 b89f and release large amounts of carbohydrates. Which characteristics would you expect to observe i9z cdb8 *bfef5n such cells?

The diagram below shows a cell. 7lm6ok fwzaxz*fp .+8

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 z suk,b +z,s0cto both mitochondria and prokaryotes?

  What is the correct magnificatiolyqq1u;n9q ho+/ .t sfn of this image?

  Which characteristic is not t n,q ,tgjjfg )mb1pk7)rue for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryo 2pipf l+z8u1qx9izomi3h q,u8; ea s0tic cell, Cyclotella litoralis. What is the actual 9u p8ihu1paliz;83foesq m0, q +ix2zdiameter of the cell in this image?

  The electron micrograph shows an.+m 2y)+hszmo lqnz/e animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of striwy *+p83yynwmated muscle tissue. What is the actual length *wmyn3ypw 8 +ybetween the two Z lines?

  Which organelle is formed by a vesicle derived from the cell meeon:/nq4ws,i oxk1a *mbrane?

  Which organism contains DNA in exactly two different or so t38 xbywi1ules6 3k98w-ddganelles?

1.Outline one way unicellular org(lc2 jfvq y yew1/p8i(cf7o,qanisms can carry out each of nutrition, movement and excretiof8q( vwo(1yp7j y/fqcie2lc,n.

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 mus x ;ibabg 2h3q:rqtm-s /1ubu3y0dh.v cle from the two cell types at 3 v.iduus-yqbb q/h2;xgmh31b : r0shown in the images?