Which statement about eukaryotic cells is corrudigseooq , .q-x6l +c uz6f:5ect?

  Which are common features of h m*nfh*7ns0nbacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown ip2-diu,ij /n pn the image?

  Which statement(s) about the endosymbioti(rjxtq/ ;ec* lc 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 evolved from the same population ownv;efc de)c-:akl .8fc-8l.;n wf ved)cek:a cells?

  These photographs show the same sec8+ 9zhbkik72sadv 9g6.bj khe tion of a human retina. What is the reason for the difference between t9 9 ag8d+h7ke6.si2bz hjk kvbhe two diagrams?

  Paramecium produces enzymes that catalyse different chemical reacg+mea .tiw lfzea53: fi*9j3s tions taking place in the cyta e93 3iim wfj:lt5f +ga*sze.oplasm. What function of life is demonstrated in this situation?

  What do the two labelczw mocw7;+u) h8 hts5um/b:fled organelles have in common?

  Which organelle has a doubq q/+h2a r:otwle membrane?

  Which row in the table correctly identifies 7klya(u;v:x 0 hoz(oz structures which are present (✓) or absent (×) in prokaryotic kxo(v:z uy(zo7 alh0;and eukaryotic cells?

  Which structure found in 4,4 g-abld5 5dw tl-3rqkeapja 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 stajs;xjr;/6.-ih vhdruhcjh3 3 tements 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 notwtv35)m; b qvxv8yp *(kirvm1nn 7ge7 a function of the Golgi apparatus?

  Which statement(s) aboujers s5d)**jjt 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 of blov);hwvb/xqb: od.


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 show ; 3)xz6:ab7p kgfbzddd1s l-/y nez,ms 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 proka* d)hz w5ihx-zlwl+8f ryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique charr (l++au)-p.nnoh mjdacteristics that di +moda j.(-pnu+r) lhnstinguish 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 th4ff. - xob6wq dq(7hij 4awu:jrough 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 zc q/)c8k:og xm sop);ek3 ua;bacterial cells?

  Cyanobacteria are prokaqmrj0z zsv/* 6gf *qg2ryotes that can perform photosynthesis. Which structural feature is com6msv*2qf0zq*g /grzjmon to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotiztyb/(i/sb8y enw5 q 0c theory?

  Which part of the cell is labelled with ptjms6(p 5-kq3ve)a ythe letter P?

  What feature of chloroplasts provides evidence for the endt1s1 ) yk*h-*p 6w yu9aecwhoqosymbiotic theory?

  The micrograph shows 3n9i v2s1zbp*: rv xtrb;dy w)an image of a plant cell taken 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 ofxmb ,s0jeei6qdz0bp a8oy*w5 4j)btdc i o1(- the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmoxb (bz4yp jci8,6 q0d*ej 1bo0) o w-atmesdi5sis?

  Which process is most likely responsible for the orig 0u*n notepgb3u145n lin of mitochondria as a eukaryotic cell organelg1e *b3punntu54n0o l le?

  Which organelle is the site of protein synthesi+5n (mnwa e( it8kp.xus?

The diagram below shows a cyanobact k6p(5dlt;rekerium, 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 figure below whose strarxbkl4j0 1* wucture provides evidenceb wk10jral*x4 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 ug5c8w ermj,cg;3 o1r knicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are j,7f7jvooi,kthe longest cells in the human boo7,vj j,7oki fdy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph sh-i;fwpri1a) bows part of an exocrine pancreas cell. Which of the labelled structures is responsible for theiwp ; -)ifba1r production of vesicles for exocytosis?

All organisms contain genetic material. The 7 :aa;ajessnkp2)3jx type, quantity and location of genetis ;ej3n )psxa2kj:7 aac material differ between 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 about chloroplasts and mitochondria support the endosymbiocri (t1ll45du tic theoicrdt(l 514lury?

1.Outline the steps in calcubhddgv nm,74 1lating 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 shows a celhzggycj 1va- od .+n,f8ag-v b*z:rw +l.


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 9 ferl gj,c)ycftl ub+a16ean+9i8h,9dif 7i carbohydrates. Which characteristics would you expect to observe in such cet ye,e96inra+c)1j8b i9lff l au+9 cfdh7,gills?

The diagram below shows an7: vwdv956jjp j ipt2 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 mitochondrifw1waauo/g a9h-x1 4 wu z1m1la and prokaryotes?

  What is the correct magnification of 8myv1nkh;3k +sgno o)this image?

  Which characteristic l79jdh52u d4eodq 2jg is not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, xl mk3(j26pv. :rfy/jkpr4 czj:czu, Cyclotella litoralis. What is the ar:2j6c:4f(jxk. yrlp/ p3, z kv zmujcctual diameter of the cell in this image?

  The electron micrograpt:eqpb e-+j+gh shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional hah5kt ad,8.5(canp vunit of striated muscle tissue. What is the actual length between the two cah,t8(ahka dpnv.5 5Z lines?

  Which organelle is formed by a vesicle derived from the cel. nhw(we;8xq:je0b6 m ayxmj7l membrane?

  Which organism contains DNA in exactly two different organellest mn;f u;a;thv78m (bc?

1.Outline one way unicellular organisms can carry out each of nut jbxn c8+ojw5-rition, movement and excretion+58jb jx-conw.

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 from theexa:89bdo1m-qo,gk,d qng t, two cell types shown in the immdq,:tkdoegnq x ,a -8, 19bogages?