Which statement about eukaryotkk n6vmtt),uv bai y7j;9u*(ric cells is correct?

  Which are common features of bacterial cya zwzjw n./*5ells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown ia0wz( e ;.4hgjkao6cwa z gz1)n the image?

  Which statement(s) about the endosymbioticnzj/9nw gj **zi q nmvmnd5);7 theory 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 evolve5i2 aoae3 0ceed from the same population of cell0eoiea52a e c3s?

  These photographs show the same section of a human retina. What is the reason 9fj z k tdm7pl; p(8+pz+tm3kkfor the difference between the two + mm7k8 jkp 9zlpzdtt;(k +fp3diagrams?

  Paramecium produces enzymes that catalyse dh fbn+/gea*tlg7m,5u n4u) oaifferent chemical reactions taking place in the cytoplasm,5t/ nf4mu ong*au)g e +bhal7. What function of life is demonstrated in this situation?

  What do the two labelled organb (cb3/bq lh oe)9vt:j hcsrv.p.a2n,elles have in common?

  Which organelle has a e.eo*+gzzx v)43yi ycdouble membrane?

  Which row in the table correctly identifies structures which are prese5* 0beb ct,/s.dqbekgnt (✓) or absent (×) in prokaryotic and eukaryotic cebqk, / 0 5tsc.b*egdeblls?

  Which structure foundovzlca5 h 71yq gv01;o in 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 truioa 4c+dl63 n)4ifg cge 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 Gol3dbhtoi cv6 *)gi apparatus?

  Which statement(s) adhb7 onc bd * :bo5hox02,d1ysbout 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 microvmm t +l4v p x/:0;rqfhtgaer;w *,e,hgraph 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 cells. .z)(cl8 g4ieqz ;rb,sr n*uz.qapw8 kv-naq*


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 eui/+ a7cm8sw (yebg3ghkaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have uniqea,l/8hlj/e 6 diqy e:ue characteristics that distinguish them from any oth/:yqi/ eje6le8hla ,der 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 thro0hb51 q a a*qkiaghk(x96 rhe1ugh 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 bacterifedt5n e;b;4oqh93wtal cells?

  Cyanobacteria are prokaryotes that can perfocuzjglq: 8a xoo*)c-17rc-m z8 cs0ljrm photosynthesis. Which structural feature is common to both cyanobacteria and plant cell1j oj:0- *7-)a8cczq8couz llcgmrsx s?

  Which statement provides evidence for the enh62q eng,l6 indosymbiotic theory?

  Which part of the cell is l8)ro1 *opyvjs abelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbios klb8:20od pc*gscw /s:a)hj tic theory?

  The micrograph shows an image of a plant cell taken with a light *d8j0rlsg4 s :ge5 ipsmicroscope.

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 bawqggwyk*j jw5:+g 8a*). +6aguhy ntecterium Vibrio cholerae. Which of the labelled struct jkn8.w* au jw+tg6y*wqe 5h )a+:gyggures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitoxvxu- /-dtseu7t 92c l3-la h9ob r;fqchondria as a eukaryotic cehdro-va2 l3uxe-sb/;x t7 ut9-qc9 fl ll organelle?

  Which organelle is the site of protein sy/teah8:x be4y nthesis?

The diagram below shows a cyanobacterium, Synechococcus l ; 2ip--yadknelongatus.

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 )mb 3w (6ruoeyuf o0s4whose structure provides evidence for the endosymbiotic theory.we4fo3m0(os ruy6 b) u
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 mult1clc cuy ffq9p588d vb s-i3u/icellular organisms are correct?

Below is a diagram of a motor neuron. Neu/wgtbkt0 h ,0ju:abj0ktv4l2 rons are the longest cells in the human body. kuk20 b ,wj04ttlatb:0vjgh/



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 of an exocrine pancreas celolc2)1mknc 7x l. Which of the labelled structures is responsible for the production of xl o) 72nkc1mcvesicles for exocytosis?

All organisms contain genetic material. Th bx/4e ajjb9a)ol(uyv:as/ i1e type, quantity and location of genetic material differ between 1aax(l:i)/os/9 bjeu b4 jyavkingdoms 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 chloroplaq cit4l.v,1j bsts and mitochondria support the endosymbiotic theoryjcqb 4 ,1tv.il?

1.Outline the steps in calculating the magnification of a microgr93 4q1p rtsos 8g5;ac 5gckyfcaph.

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.)yfx)akm x-n9


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 am22z :ob;jx fzr l8ng:hly) d2vounts of carbohydrates. Which characteristics woul2 gzr nv :oh2fdj);x8yll:bz2d you expect to observe in such cells?

The diagram below shows a cellj/zj,.grnbqqpm qykvp;y(f y8s;3 . 4.

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 and prokaryo0;k 1i(dupf wwtes?

  What is the correct magnifi ok,s/6c8l kvzcation of this image?

  Which characteristic is not true f b5o4.h3opd0itvvtb,li6l* kc9) uamor both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cycl*j qceu8 ope/f :kecjqk4*;83w) rf iaotella litoralis. What is the actual diamet)jp*ucf8e8r/aco w: *ie ; fkj43keq qer of the cell in this image?

  The electron micrograph showawtp0 3jc,hcmsfh4 /xwfw 0v1, (q9kqs an animal cell.

  The electron micrograph shows a sarcomere, the smallesl w.gp1**yzs76 knyq b:w0li -h hhg,at functional unit of striated musclw* *lb a7g1hy:zn0 yis6lkp-hh.w qg ,e tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell memll4x jm ,l*u/ybrane?

  Which organism contains DNA in exactly2zwcvsy9av57om*k eh,g2 g-c tr9 w*p two different organelles?

1.Outline one way unicellula kf1h60day q8islk 3,ir organisms can carry out each of nutrition, movement and ik1l3fk6yqid, sa0h8 excretion.

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 stridv*v1p2 :oftiated muscle from the two cell typ1*dp2vfvt oi: es shown in the images?