Which statement about eukaryotic cells; d ;swy:zsamxovedq9(93: b s is correct?

  Which are common features of bacterialq vi+u31kjz2uc3 5f5m/ cbs9uydh hw/ cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in te hc8kr)d -7ak6 ajmp/he image?

  Which statement(s) about the endosymbiotic theory is tnr 2dt,(h183ey6vg5 h czubq2sb-l ke rue?
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 o93cl6up 61:7ihmln be olwx)nn Earth evolved from the same population of celc6o l l36w7eh1bipu lx:nmn )9ls?

  These photographs show the same section of a human retina. What9br40 h uhbe4r is the reason for the bbe4 9ru0h4hrdifference between the two diagrams?

  Paramecium produces enzymes that catalyse differe+nxbmdgajryb- 6)ge 5s2swz0m g+9u. nt chemical reactions taking place in the cytoplasm. What function xnbss0.m6g)erg ugy -+d+ mbz w5a92jof life is demonstrated in this situation?

  What do the two labelled organelles have in com6cbj- )2d8hphm ke/tuvl)x 2smon?

  Which organelle has a do9kf63t gdr: fauble membrane?

  Which row in the table correct5 7gnb9ktw/hhqm n396ch jp t,ly identifies structures which are present (✓) or absent (×) in prokaryotic a t/cwjhbg,9nqtp nm59h7h36k nd eukaryotic cells?

  Which structure found in a eutic4kizd7u :bct1l 5t v94h n)karyote 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 structure of cegq)ku- id7xp 9yb/s (dlls?
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 Golg..yz vuxz)s / s axsbl.hm7.k*i apparatus?

  Which statement(s) about cmp /ahd2c8p *kell 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 of i+fvyz-mzxt7a:3f 2b 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 yd .-,vfa1fg*d l)0yn8qk lrf 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 in both eukaryotic and prokaryotic r 3jj4olg37q a; m)jebcells?

  Mesophyll cells are found in plants. Plant cells have unique characte2ju cx+yk 039h*bz1.cdigb je ristics that distinguish them from any otkdbyx. ce2 jcu9bhg*zj 31+ i0her cell type.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows y2b s(5yss(pc+;a5veci9 ohba transverse 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 the DN*wlk n1a5nv me m;:g3 fihkz96A and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structur(tjst8ibb vix 5 +xp6(al featb((b xv+tp6j8txiis 5 ure is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theorxhn)n9(+ jnms y?

  Which part of the cell is labelled weos4d:2:0r d6ocf0cdi bw,ql lbf, + cith the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotsb+9plu)jyvj- ,g /xnic theory?

  The micrograph shows an image of a plant cell taken with a light microsoo qw1x-k )e*s +nh5+ vshh*kscope.

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 olh,izy zxz.bl r*5:3hgs 6 k6hf the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s y*z6 z liblz6,5. xh:kh r3gshshape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin p af/apsc 345jof mitochondria as a eukaryotic aps/4ac5 pfj3cell organelle?

  Which organelle is the site ofvg q tytoeb0,l97h(a2y9 hb4 o protein synthesis?

The diagram below shows a cyanobacterium, Synnc 88mq vlo7t(echococcus 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 w5mblg9;ai )wry); ijg+-hsp k+luhn*hose structure provides evidencek ; )wbh 59gi-jli * hpnmsg)lruay+;+ 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 unicellu5 k5horn(w.3eto8yu slar and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in th*nb,r* tsyqn3 e human bodtny3b ,n*qr*s y.



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 5wd 9rn2n.khtg2/ d hsof an exocrine pancreas cell. Which of the labeldwkhg/9nn. s22rt d5hled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location6i8+t3col3qdkpg r8z of genetic material differ between kingdomsq3g 8c6 lor83izpkd+t 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 chloropsn(da 49rbc *l82;cjqo ot /qalasts and mitochondria support the endosymbiotic theoryl8cs(qtr c/; *odjo 9baa 4n2q?

1.Outline the steps yw pwqpm-64 8oin calculating the 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 shows8xy0tmi0/pm e.k5oe 2sbwi*jojn+d8 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 release large amountsvw;.o ls51 ylp of carbohydrates. Whi1y s;lp.wol5vch characteristics would you expect to observe in such cells?

The diagram below showsf6+4la end7wv2 yxqv4 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 0mr7g a9eil j,mitochondria and prokaryotes?

  What is the correct m,-lw 9h.1p0jgp rorwtagnification of this image?

  Which characteristic is not true for both mitochondria anr 7:bclf 5rk,ad chloroplasts?

  The electron micrograph shows a prokaryotic ce;+epevye7a5 ;lyum8;vgdqa,1 wr) ecll, Cyclotella litoralis. What is the actual diameter of the cell in this imq5cy8;eu; y,ae);va gel r 1+vwdemp7age?

  The electron micrograph show 89)eo3ywea6 e e8gcgms an animal cell.

  The electron micrograph sxm0jvzk 5+ va:2taoh78zyls7hows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Zsvtvo8ak+5az 7 y0hx zj:72lm lines?

  Which organelle is formedxy7a 7)ucqak45cn,wi m1h3 vf, ,wu zb by a vesicle derived from the cell membrane?

  Which organism contains778r,kv w l5w lh3iqlr DNA in exactly two different organelles?

1.Outline one way unicellular organisms can carry gvp5 usdnj +06out each of nutrition, movement and excrn p5u06jg v+dsetion.

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 fungcj +q isv:t4qc /no b3sid8z;w*;ou; u/ow-xyal hyphae and striated muscle from the two cell types showsuw8dvbt n;w;q yz3ic-c/ j ;o/u+sx*o4 oq:in in the images?