Which statement about eukaryotic cellsv5mwzd a4,z smzj-,p/ is correct?

  Which are common features of87ruc*jiw bs: bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in ty6f-b ml +/rdmhe image?

  Which statement(s) about the endosymbiotic theory is true? :u+0 2icmfq vww4,yi* nkxgg;
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 th-ycq 9 (zm+snsat all life on Earth evolved from the same population of c- sc(z+9qyns mells?

  These photographs show the same section plyx-m5rz8g9 of a human retina. What is the reason for t5my-xg zrp98 lhe difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical rea15/qnu 5dmuobe 0mq*za6.p /4lx t 5jn jcle1tctions taking place in the cytoplasm. What function of life ilb.jc5/pqu 61q *45nuznxome /t tjl 5mde 10as demonstrated in this situation?

  What do the two labelled organelles have qbpz.4+wnc m 0 ( z1lc+.baskhixavw(z 6vp 0(in common?

  Which organelle has a double membr:fho; h+(ztrlaqk ;k nk: n(0mane?

  Which row in the table correctly ident 7jo,9-)t gvh e.ah6gdym cfg2ifies structures which are present (✓) or absent (×) in pdeyjatg v)go29m-6., 7fchghrokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has 2cyq+o*y3c up b):jni 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 an.s msc1hv 7pl um rx +h6jbvovmsel7m-(1 60,bout 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,/z sphu 6d:8z,kj 1z xwg+bvk the Golgi apparatus?

  Which statement(s) about cell structure is/are not trugj2 w+0ved1p:x yt ee+e?

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 dh y/kfivjd/;,ci9 zvy:7qs 3of 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. colipgd7 x*zwpq8x7en:6(rtz*b -kt-n) cr ls.f q 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 eukaryotsz a1f02gl y:uic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cellsuv98p yqkz+m/7z w.tc have unique characteristics that distinguish them from awcqku9tz+/. 78ym z pvny 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 traajd/q;n.49cl s /dk swfj9- cansverse 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 DNA and cqjqc1gb 0 r*t/hromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that cqkp2 ,mifs6md y3:mt -an perform photosynthesis. Which structural feature is common to both cyanobacteria and plant6m i pk2sm,:my d-tqf3 cells?

  Which statement provides evidence for the endosymbiotic theomy9 : d0:d g5hglrmjgm30v (qictlf( (ry?

  Which part of the cell is labelled with j,j-h2 l uhv2kb7kni)the letter P?

  What feature of chloroplni.0 wem uuqwv 8 t+*9v5f,phvasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscopf ;w+:0e jj/,xynuf ;dyfzd4x e.

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 bacteriem.c tc:r -wh;um Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects th -cw:r.mc;ethe cell from lysing during osmosis?

  Which process is most likely responsible for thxb 5lh69v( -(ymhyw kae origin of mitochondria as a euka 5h v 9((-yxlwmk6hybaryotic cell organelle?

  Which organelle is the site k 7(xj 5gpt z;-wj,ir3t ld(+v2 nkezbof protein synthesis?

The diagram below shows a cyanobacterium, Synechococcu9nyb 41xb0l9 6ex4pjgb( lvns s 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 organ,uhvg kj *kb 9xi23l1hoj56 sxelle visible in the figure below whose structure provides evidence for the endosymbioticob,52hh kxxjv 9jgk316lsi u* 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 unicelluly e3o p40hx(hv:zt;f w3qz d6aar and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurord- kl1m : 5ocg3scl xpwm(5*ons are the longest cells in the human body.gw* (c:3pxs lokdm m-l551r co



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows p--iwpi8 z eie:art of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for ex:ez- ei p8wii-ocytosis?

All organisms contain genetic material. The type, quantity lyyeeowg b3 e0j7/u)- t. 19g2j vsefxg,snv ,and location of genetic material differ betwngj/yvtgfljeewe 1,0. vug2) sexo,b-ys937een 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 chlaankqoo .mpjy;8- 9 w,oroplasts and mitochondria support the endosymbiotic theoq;pwayj-o ka m 8,.on9ry?

1.Outline the steps in calculating the magnification of a mik:a n1x 4zzt2a 1 n2b ukkwwna(331eqlcrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows s3c+)8 r8quco4pn;b joft* z ia 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 amounts of f4*8 ;c ei9qatt:kvgq dy,jl3 kyb8q *carbohydrates. Which characteristics would you expect to oeciy alt,qb vt3*k4g*y98kq ;df:q8j bserve in such cells?

The diagram below showy-v q26;c0yjjo hq)xps 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 mitochondria and prokaryote;w8ngu3jzq + ws?

  What is the correct magnification iaeu2nz o,v; k:u)gz.of this image?

  Which characteristic is not true for both mi+nwp/ tyd+kk 0tochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Clcu,b ys kl6u8 0vw,y+yclotella litoralis. What is the actual diameter of the cell in this lbwu,l s k8,6c+y yuv0image?

  The electron micrograph shows anx 1cjow3fo+fc+/pmg; animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of str ; 805sbdsawtpiated muscle tissue. What is the actual leng5a 0 wstsbp;8dth between the two Z lines?

  Which organelle is formed by a vesicle derived from the5* j8bdwecaxnq 4c j89 cell membrane?

  Which organism contains DNA in eh 77p;n zhrt)dxactly two different organelles?

1.Outline one way unicellular organisms can carry out each o m4k03kxzw, zqbi:fh8 f nutrition, movement a bkk4xqf3wz8mzi, h:0nd 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 striated muscle from the x r 3/we,t rew4x(n/h0rnweu7 two cell types shown in3wwnxr /nu7t,e0 r4rw( eh x/e the images?