Which statement about eukaryotic c t4mr3t:1c i 2wewcc*sells is correct?

  Which are common feature zez- 3lwna.s8s of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown vzo6cdj+oou:nb1;23 hx sh*p in the image?

  Which statement(s) about the endosymbiotic thq3f86j he n4jreory 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 frlc0n z; /fyek(om the same population of ;ek/ ncl z(y0fcells?

  These photographs show theap20,hqvj :qb cc ;al l1gpx/3 same section of a human retina. What is the reason for the difference between the two diagr:clq2v0 x/ p3,pjal q1hg; cbaams?

  Paramecium produces enzymes that catal(m83 v1lkoz*jm, 9r4calk w niyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this si4(k lc 3 j, 8wn1a*vrkz9mimlotuation?

  What do the two labelled organeld9 bwv p;ff53eles have in common?

  Which organelle has a d+w hm +(+w9jjy0vybtnouble membrane?

  Which row in the table correctly identifies structures which are presentfo qbl.e.0dl 7t 5a(c/15lmip6o gozw (✓) or absent (×) in prokaryotic and euka7el/5w1itzof.5 dolq . c (lp6 mbga0oryotic cells?

  Which structure found in a e tr itfyq n(79v1.m)b(f7gcjn ukaryote 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 statements are true about the struc65jujwdqr)e71 cve/o ture 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 t .k hwwflt3w 0i:j*dp5he Golgi apparatus?

  Which statement(s) az p)w s:gme0j(bout cell structure 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 micrograph o4qm) ltbdiw8* f 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 cel1*tj7, vku yguls.


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 fopgfz1i ;3 +0yh szlfj6f0c.mhund in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have uniqu0s)n9eg ;g.xw t1tr due characteristics that dt);sgg1wu t x90n r.deistinguish 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 sectioo,(yl;keci n;9 qoc-jn 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 the DNA and chromosomes of bacterial ceodd2. zmiy7r 2lls?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structural y.5(ac0l yo ;+l.fqke+xj hp0jrb(mnfeature is common to both cyanobacteria and plan .f+hecy jlrp(yjlxm 500kab.n;+q (ot cells?

  Which statement provvjx;)miiu5j6 3a b;fm7*ejid ides evidence for the endosymbiotic theory?

  Which part of the cell 1k9z((lt;p7sdp agwiis labelled with the letter P?

  What feature of chlorjdo-* ,p0)zr.ebgs croplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a q6lsru,zer(bh eo/). 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 ctmy)/1nm gen2q) 1:xzwbg m o-ell of the bacterium Vibrio cholerae. Which of the labelled structures maintains : 1bqen)mzw 2nm /gmtgxyo-1)the cell’s shape and protects the cell from lysing during osmosis?

  Which process is mosi s)l3n9cie/t h3oma 3t likely responsible for the origin of mitochondria as a eukaryotic i/n)heam33 il oc3ts9 cell organelle?

  Which organelle is the site o7dq;jl ik0+1bdao7kd f protein synthesis?

The diagram below shows a cyanobacterium, Synecyfl+:sx o9vv yna) 0+v4x6vc6a;cqmehococcus 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;9mwp)j6 w3j ud4(aafe k3r )xa *3ompv)ikcw below whose structure provides evidence for thewajm)emc k d(pu a4w; v)3xo3krai3*6jp)9f w 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 are correctx rh7*j9 vunee v:pk(.?

Below is a diagram of a motor neuron. Neurons are the longest /vft )mct m7)ncells in the humanm)vnt t7mc)f / body.



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 omhnr: v5 s c et*j08a+8pzhku8f an exocrine pancreas cell. Which of the labelled structures is responsible for the productn* 5 vm08:+ks8e tjapzch8ruhion of vesicles for exocytosis?

All organisms contain genetic material. npjt6w,x7z)+m/gxweuu8 8ub *i:pbx The type, quantity and location of genetic material differ b6uw8+)puxpe8zm bwiux7gxn/* j ,:tb etween kingdoms 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 abouvxpv-50956w*srekn t w pr;l a:3ssfkt chloroplasts and mitochondria support the endosymbiotic tnr-lk vewwfsv5sp rt5ks x0 :3a *69p;heory?

1.Outline the steps in calculating the magnification g,j/jhsl u 5+z :hm;kl+3slid)ttgc*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 ce+n c dq(s.hxl-ll.


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 large amounts of carbohydrebwd2- 4ekh4 cates. Which characteristics would you expect to obsew-e2h e44bc dkrve in such cells?

The diagram below shows a cep oc 3o-3bw an67ut.xull.

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 applz a ceew:fbim c6 *nn:64t-lc3ies to both mitochondria and prokaryotes?

  What is the correct magnifv5dj6 (6el1:nkvvlz uication of this image?

  Which characteristic is not true for both mitochondria and ch eo59h.e wbt4dloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Wh*-ne/qsr7ak(llp/.sh yp36te 2 tcte *a+lm qat is the se3qp**/ a6/y e.ktl ptrlc27n aesq (m+htl- actual diameter of the cell in this image?

  The electron micrograph shows an animal cellw6f ok1 edo 9v8diw )qn7.edu5.

  The electron micrograph shows a sarcomere, cfpe4j;3jqsqzasq: l+-7 . suthe smallest functional unit of striated q ;3jsp: z .l4ssfuca-+jqq7emuscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesy7 6o)smxutjyo; l,zt 81tr/qo a0y-nicle derived from the cell membrane?

  Which organism contains DNA in exactly two di-+3owvha ht-tod cy.) fferent organelles?

1.Outline one way uni k3vfw )2,iy*qu zk9jicellular organisms can carry out each of nutrition, movement and excretion. ufkkqj* 29)i 3zviw,y

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 muscle frots;/r2 .cvpcs n;b8 mt9imn+ lm the two cell types shown int;sln8t9 rcnmsp c i;+2m./vb the images?