Which statement about eukaryotdju 2u6pb(z t-ic cells is correct?

  Which are common features of bacterial eb v5 xxkmx3qf/4/ rve5t84gqcells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in( u.fymrimx06 ft0oy;k, sh8 s the image?

  Which statement(s) about the endosymbiotic theory is truqbb 33o t9uf lcby;gk4h,e*1 ze?
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 pc3h9p sgf )vh6opulation of cecgs)hf3 6hp9v lls?

  These photographs show the same 7* p (agz* g0xlzu 1jem:bstif0e4nm(section of a human retina. What is the reason for the differenc m107zf:tmgg0jb(n**eusx4 e(alz ipe between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions t9,ei ftpn kp2)5sjx 4aaking place ins2jn45 pe 9ifk,)xtap the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled 9c2nx z;p2 cdporganelles have in common?

  Which organelle has a double membrane?l2k oiai h1(d5v6bt0u

  Which row in the table correctly idezd6anza3 isqtj2--wq9j)-cx5 p4 sai ntifies structures which are present (✓) or absent (×) in proka9 qp6tacjzns 4 i-iwazj-q5)a2 sd -x3ryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membq6 bcf*5qvy*4t 4l szyrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statemk p84 *mn;bvn3( 1ejkt9 jbqobents 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 function of the Golgi apparatus?) e8aaes md1.i

  Which statement(s) about cell structure is/are notsa)o c uqv2awh1w7-0 s 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 microgray db8din8dd2 707+ 6qmqrfw ik/zeu,fph 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 -mq nmz 40t-urcells.


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 8r8 x pd*5(rbu cb9wsoand prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unisu o,p 2rz ry*oqvg.(3que characteristics that disti ry2qz,g.( *usvp3oo rnguish 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 leaf. jf v;qa f)7a4i



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 describq,2k v53)jjs 7fjsgfas4-xc o es the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Whic68sra5gv2qv,ogfxaba6 0v a4 h structural feature is common to both cyanobacteria and plant cells20xo5 b v4a,qgs8avaa66fgvr ?

  Which statement provides evidence for the endosymbiotic theory5wcod(cs v4k7?

  Which part of the cell is labelled with the0pi; ip xvcol.;7x+np a9lt3z letter P?

  What feature of chlorop+e/rf.e:oe-be0: ww4: g ccqdnm jm7wlasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell takenf +)z,bn 56dagxx(x rr 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 ofh cu27 *mks*ykt,7n pr -22m;i amauat the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects themnaah7kt *2iy7-c;*t2 mmspu 2 kuar, cell from lysing during osmosis?

  Which process is most likely responsible for the origin y ;na hmzb8g,.of mitochondria as a eukaryotic cell organelle?,;hygzm . ban8

  Which organelle is the site of protein synthesis?2mf v7xlh: m2y

The diagram below shows a y vwyyl:1n6b p4m9 7jqcyanobacterium, 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 figur3a/eoxs; kg-pc 2gk1wq wf0/ ze below whose structure provides evidence for the endosywp /1e 2k/3s;wog kxzfc-0 agqmbiotic 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 mulyw f kzt:nz+1a4/-dueticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cellcs,5 a6yqeb.1 lgr7xts in the human body.7xlag1. ,6 esbctyrq5



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

2.Explain how life functions are performed by Paramecium.

  The following electron microgra6uhruqu0n6tb p( / io4khq clww9)8 w,ph shows part of an exocrine pancreas cell. Which of the labellekiut u q8blhuqwcw(r,woh6 90n46p /) d structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and c;/yz b4 ad3*- b,pgcrwxvh u.t:wq;vlocation of genetic material differ between kingdoms and spe4w,g vu: ; vcd/r;.yhbzxp bwcq-t3 *acies.

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 mitochsavte- za4+zv,-: x wnondria support the endosymbiotic te:x za 4a-tnvzsvw, -+heory?

1.Outline the steps in calculating the magnification of a m9 :z zwq :29dc7f :wswhp(qyaaicrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shxiqw;n x4e.,o j5q5m1a unvi 3ows a cell.


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 revuf- b 9.qxb(x j6h))adusp ti:;u v5qhbf;b.lease large amounts of carbohydrates. Which characteristics would you expect to obsefvhp:6j qubx-.) ;5hd) b bqit;u xvuaf s9(.brve in such cells?

The diagram below shoiq 8:ha:qk*s:/b:x qnfqsv8 aws 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 fm-n;:c f0obwand prokaryotes?

  What is the correct m x*qxmxx3g7fe 7a .r-hlq8fy,agnification of this image?

  Which characteristic is not true for both mitochondria and chlfl bp5xxdh//z s0 an4:oroplasts?

  The electron micrograph shows a prokaryotic cell, Cyt)8.fqapy/t 1p uvnw;clotella litoralis. What is the actual diameter of the cell iatw u; y8n/vp tp)qf1.n this image?

  The electron micrograph shows an animal cexzm6kb y tb r)(1(x*iuq;4 bfhll.

  The electron micrograph shows a sarcomp zb2 nvbe4))ufz90xq 3wj)xyere, the smallest functional unit of striated muscx4z)3x)fnbbpw9e 2)zj0v uq yle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell j08 kejy hw-5v/j3wsn membrane?

  Which organism contains DNA in exactly two d9o wnqfn9 o,m.ifferent organelles?

1.Outline one way unicellular organisms can carry out each of n fu y/1avv0sp/utrition, movement and excretioa /vf0u1/yp vsn.

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 sou 8axcdm ,.zx; f:(1sr m.tjitriated muscle from the two cell types shown in the iz i x:1.xr(jm u ,d;oc8a.tsmfmages?