Which statement about eukaryotic ce 6sy. nhdh24uch 0is3m+gto f/lls is correct?

  Which are common fea)f(hi icdnc)( 9o8g1 a4ceq uitures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in thrw0elle6x)so7k8x 0 te image?

  Which statement(s) about the endosymbiotic theory is true? /3e+cmqolcx3gh n. f1
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 thl*u9 ;eicwh i.e same population of cells?we .h*9i;icul

  These photographs show the same secti ko jjb(p d7e x:/jh,t,z+fc5uon of a human retina. What is the reason for the diffeb u/j,eoptj 5d:j zxk(f7+,hc rence between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical o/v 9:oz n *c-qt6q/wudm;ookreactions taking plat/- : k6*/vc9onoom; dzowuqq ce in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organellesz/;c;a692 vjjyo zjjo hb lft;tsi/ /3 have in common?

  Which organelle has a double membj4c:wah3( d xlrane?

  Which row in the table correctly identifies sx*x/0,k puer 4z aoo:btructures which are present (✓) or absent (×) in prokaryorxp*oe:4,bx o /k 0auztic and eukaryotic cells?

  Which structure found inko: ckxfz*sye 257 h1i a eukaryote 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 t2hrh d*5m.gaw kiq3*e he 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 apparatt.:q*wm a:y lts4jbi4 us?

  Which statement(s) about cell structure j2iuyhnt s-06 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 o px7f2kp.z oncb8ks8js 4/dxs1l8q1g 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 ce/qy yb-:lype n sa2.d-6ya2z s4u rfe:lls.


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 prokaryoksd -o1fm-cf3 tic cells?

  Mesophyll cells are found in plants. Plant cels lytugt1t5pt;zssi+ /e 7:fmi 9s1l/ ls have unique characteristics that distinguish them from any othy/lfs1;zepu/ 9t:gstm l 1t+its75sier 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 lewq ez-zileigeg :/ 1qcj:(7 :saf.



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 descwy6+4y oiwsam;ka a6:ribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which struc08oib *eijt+q tural feature is common to both cyanobacteria and plant cells8i 0eiq+tjo*b ?

  Which statement provides evidence for thej7- 8 darr,+xkfsrlk,;,hn,qmn6s gx endosymbiotic theory?

  Which part of the cel+)cit/ l,gigx l is labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic s8tdfv;o buz; k;;w w9theory?

  The micrograph shows an image of a plant cell taken withll w3d/7ekg;/0f njjw 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 cholerae. fbd6t34jjkq 4 f9b v8*fvws;eWhich of the labelled structures maintains the cell’s shape and protects the cel jkvw v3tfj6fsd8;e494b bf *ql from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria asat)v;thtx :s1 a eukaryotic cell organev)t:tx ;ah1s tlle?

  Which organelle is the k2 z:r6*az x n p,wglbev8 -v5k*tz1uusite of protein synthesis?

The diagram below shows i9nrv fsl4t j /xpiou):k+5t5 a cyanobacterium, 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 visibl 2 .jcl6q a2c9x/xuqb9jkdj7oe in the figure below whose structure provides evidence fod .9x6ljuj2 jkaq 9 bxcq27/cor 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 organisms are correctg .n eyt-:fu- kzt2nr)u;.act?

Below is a diagram of a motor neuron. Neurons are the longerq qps, f5w6 -)i-zpqxst cells in the human p p5sq6rq iz,-wqf-)xbody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph0 0qzu w.0 ;ytobfd0ez shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the p;tywq00ue0foz zd b.0roduction of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locatioeca2 7jh7g3;+bv0s jmra ik7zn of genetic material differ between kingdoms aeikvmjbz g+ j h7;ac7a720s3rnd 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 support theeb t0;8l.l c(lxmb6mo8y1 mi q endosymbiotic thl1b 8(it6;8xly e m olmq.c0mbeory?

1.Outline the steps in calculating the magnificatiqy pob4 8w 9vf7x:-jszon 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.eq.p0p :1obwu+q)xfq ucr(y rei( 7s5


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 oft.11p jc cri9sb+2c b0ing:zn carbohydrates. Which characteristics would you expect to observe icpb+jic9nctbzin :g .10 1r s2n such cells?

The diagram below shows a cell. -gxjfxa.0b2q1 9mjk3u+b df0kb (vkt

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 ; ,2+bpyy,5l s8qxnba -wcvst mitochondria and prokaryotes?

  What is the correct magnifica9/ r9y4g3tv/ po/dn2x jcbk9t 5 dqit(twvn s1tion of this image?

  Which characteristic is not true for bo+ n xiwph+sg+lpl98tvg:1gk 8+pk,xuth mitochondria and chloroplasts?

  The electron micrograph shows tf3v92 8l jyvka prokaryotic cell, Cyclotella litoralis. What is t9t yvf k38vj2lhe actual diameter of the cell in this image?

  The electron micrograph shows an ans31)/au t*b hl ior;brimal cell.

  The electron micrograph shows a sarcomere, the smallest functional ubiy:m-n 0kl (init of striated muscle tissue. What is the actui-ynb: k m0(ilal length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell memb-wgn es;: 4iimrane?

  Which organism contains DNA in e4q7:m8cfjmtr xactly two different organelles?

1.Outline one way unicellular organisms can carry outf7b ;m6xx cye9 each of nutrition, movement and excretioncm9fxe7 y bx;6.

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 fvz iki9m b,g9wh0ch,:1h w6i eungal hyphae and striated muscle from the two cell types shown 6,h1k m,gw wihz9hcve bii09: in the images?