Which statement about eukaryoti5hgcgevk- + rsiy5n52c cells is correct?

  Which are common featubns5rxm) , meeu *8-njres of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is8j05l9knic bezj 3ci2t;a+u. fxw .ff shown in the image?

  Which statement(s) ahdb jh-lsb42 ;bout the endosymbiotic 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 evdx r7czg(mx1iu0 r. x41ag. xfuyr (d+olved from the same population of cell1xug xci(ru1fx..0r(4rd +g7mda yz x s?

  These photographs sho 7ddz i dfr sn,a5*q,d5n;9conw the same section of a human retina. What is the reason for th*,d9 ir,55 d;ddnqfnn7saz oce difference between the two diagrams?

  Paramecium produces enzymes that catalyser*-y yk5igj z. different chemical reactions taking place in the cytoplas.ry*5-gk j zyim. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in common? s zpgt(c6y-:zt*5pdb

  Which organelle has a tc q7agnu1*beq54: ip double membrane?

  Which row in the table correctly identifies structures which are pw0yxqt3j (l x *04sexlresent (✓) or absent (×) in prokaryotic and eukaryotic cells0s 0twy3exx4lq(x *lj?

  Which structure found in an h;txl o2o7uqk.y3tq5*d3t 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 the structure ofg -0mbku2s a-qhf)ir 2 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 app6rli6i*v*jrh.eup7z aratus?

  Which statement(s) about cell structkxty0b q : ukgvl,8r,;e+d3n eure 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 oovfudtzt:6 5x) ) m4ukf 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 sh m9 ,xs h,prsop.86y9zs5fvmo ows 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 bothvjstq/ -) hq-q eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells ha2. gulkl v5f-6zq9yseve unique characteristics that distinguish kyqgz6v5.el lus9 -f2 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 through a leaf y)nqmy::wm n+ a:p,ib.



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 *6mq x; qlzs*d/bdo*c DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can u q)a+tremxt 96az:7g perform photosynthesis. Which structural feature is common to both cyanobac+ta)r7mt gx9u6:eza q teria and plant cells?

  Which statement provides evidence for the endosymbiotic theor srh.x+txtdb9 k )9/piy?

  Which part of the cell is labo /:je(;taru1-x nr hwelled with the letter P?

  What feature of chloroplasts provides evidence for hi2xyivrmw+q53 tc*2 the endosymbiotic theory?

  The micrograph showsas(h9n:kyhr cn4w/okr( yv9 : 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 of the bacterium Vibrio chol(sh2 /j3 igti/k0wqjck5w ) uuerae. Which of the labelled structures maintains the cell’s shape and protects the cell fgq0/k3wtjw k)ciujus i (h/52rom lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria au aw- 3bppmrtc9x-s26 s a eukaryotic cta r-26p mw39cux -pbsell organelle?

  Which organelle is the sit03c jzeos k0s:e of protein synthesis?

The diagram below shows a cyanl0vzf/x ,g9qaf( 2 )fgk b+ kwzb-hjj)obacterium, 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 io y,3.9prp9j 3bkf 3le9qksythe figure below whose structure provides evidence for the endosymbioti 3of9.b3i93k ey kypj rlps9,qc 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 corre1(cpq j-s;d*kch:xac *o je2ict?

Below is a diagram of a motor neurehqa19r p96vp 2wn h)won. Neurons are the longest cells in the human body. p) 9h69qp1hn2w rwa ev



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows partrf bo nd47 hvgg 6p0coj+v5//a of an exocrine pancreas cell. Which of the labelled structures is responsible for the product/vh+rjfgo/5 v c07aogd p46bnion of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of genetnpw 7c r68 ;ristozvu.;5hr1hic material differ between kingdoms andoz hrvpu;581hr7s c;iwn r6.t 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 mitocuj;d)g b0 90;ccs nlpmf .p(3jza(bhkhondria support the endosymbiotic th0.uck;f(pjsb 9) pmn0;j3 db gz(alcheory?

1.Outline the steps in calculating the magnification of a micrve) -t 4c2c0msndeway a2l;r -ograph.

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

  The diagram below showsy60v-s 8n dry,e :y1bmscxjx1bm ukxw +/*5 yn 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 amounts of carbohy+5az t/mn ,furdrates. Which characteristics wo/ tnu+ ,rfz5amuld you expect to observe in such cells?

The diagram below showsu q69dnn-1-lvc 5 :inz8 fuxwr 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 mitochondyzw2- +vgm h x/e iwkh(5hf7*tria and prokaryotes?

  What is the correct magnificatio;b*e75b i(pf)r r facfn of this image?

  Which characteristic is not true for both mir6hj-8m:8- rvpmb z1w rizq2 wtochondria and chloroplasts?

  The electron micrograph shows a prokaryot,mh87/rnwk an6c8ywaic cell, Cyclotella litoralis. What is the 76ayam r c,8/n8knwh wactual diameter of the cell in this image?

  The electron micrograph show)c:ry qthu8hc,90lpyfqz5 * fs an animal cell.

  The electron micrograph shows a sarcomere, the smallest functionalmsc8vc-jri h+ihnm1; -; 4ppce la :m4 unit of striated muscle tissue. What is the actua semc+c-i;rhvijm-1 l4c;n p48: apm hl length between the two Z lines?

  Which organelle is formed by a ves f j-ijkt uyd*h*6:)t g wxza;u-po, 47iw)hpcicle derived from the cell membrane?

  Which organism contains DNA in exactly two(.z0u, ;cdunrri fbh* different organelles?

1.Outline one way unicellular organisms can carry out eznpwc5n+ 2 vm6ach of nutrition, movement and excretion.nwvc p6+5n mz2

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(+a8 fdn zrps/o y28no muscle from the two cell types shown in the/2+osnynzr aop8(d8 f images?