Which statement about eukaryotic cells is coj2o5vxd/d0oyhb.0zn 0h6lheg p+ / zhrrect?

  Which are common features of bacterialkx d oln66om)l ux9l2j; m0nf* cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown iizhfvt0a 8p67n the image?

  Which statement(s) aboucjtoq*:o b/8i t 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 vn- p0rfg(l j7po,yq5fbe 3 w0on Earth evolved from the same population of cellsl(05nj gqfwp-70b e ,oyp vfr3?

  These photographs show the same section of a human retina. Wha,dw/fei )7rj ,e3bqljou*n r8t is the reason for the difference between the,e*r7oe3url,bfjqnw)dj/ i8 two diagrams?

  Paramecium produces enzymes that catalyse s*qmlc8 3.l n2vw4mdg uxej9/different chemical reactions taking place in the cytoplvj* cs9mx l4u8dngm. w/q e23lasm. What function of life is demonstrated in this situation?

  What do the two labellewuz8 t0- g-akhd organelles have in common?

  Which organelle has a double membroxy(r+ gz74 jbane?

  Which row in the table correcpsx; -qttp(/l tly identifies structures which are present (✓) or absent (×) in prok(qpt;/- plx staryotic and eukaryotic cells?

  Which structure found in a eukaryote has a douco4+.e2reu,iut -uo (fhh ez0 ble 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 of cells? sew2mkv* xydxu85 /f 5
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 fk8m p h6bt/dp0is -zg p-irqft8c028uunction of the Golgi apparatus?

  Which statement(s) about cell structure is/are not trpie* uj;(jp)2c if3k q/ j xrw/dv+;eiue?

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 pz(n5ej3bv70;ho 0 t7roenolof 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 belowf:ca q5ge 4r(xen.76p0gk+ix kf qpi. shows 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 prc:pl-jaardip e)nb-1: n8y0uokaryotic cells?

  Mesophyll cells are found in plants. Pla t00jxs/am7xeasn3xec80 rk :nt cells have unique characteristics that distinguish them froc s00xm s n0xja7k3te e:rx8a/m 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 sxbgtg. y5j5n:ja urw .l-x6 jje1m:f2ection 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 chromosomes of bacterial ey+ r: bmi7.ogcells?

  Cyanobacteria are prokaryoteu l)zq 1) v/,6sq 8h ft5tbsk.rvgzh+rs that can perform photosynthesis. Which structural feature is common to boltv 8)us1bkh tzgsrvf+5zq,.rh6 )q /th cyanobacteria and plant cells?

  Which statement provik:4a 8op srr: dw9r +n2s m6slond11rtdes evidence for the endosymbiotic theory?

  Which part of the cell issoj; /nw/ nwk: labelled with the letter P?

  What feature of chloroplasts provides evidence forsk ns fez52hr- v2ii51 the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light micros ( rcyxv+ :f,,vv6swlicope.

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 showssz.b8z o ,vb+gu5i)vxte e01f a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lge10vubi. 8sbve xz5 z)+,fot ysing during osmosis?

  Which process is most likely responsiblev+kv wmid*vwlkj5 )7 9v ig7:f for the origin of mitochondria as a eukaryotic9g75l )m:j*+ vwi vwk ikv7vfd cell organelle?

  Which organelle is the site of protein synthee7jfu*h )+++r-d kwpva fq4q6 vlm2y usis?

The diagram below shows a cyanobacterium, fz qt,q:f2+;svq cqxvl-5l(8 kfe m k7Synechococcus 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 thrp;g 4lzl(wx7e figure below whose structure provides evidence for the endosymbiotic theolwg(;p xl47 zrry.
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 unic v t)sbl3uv2k* zi8uz;ellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lqejf0lbq.k fiy 229 d.ongest cells in the human body2i.ekbl 9q0yj ff.2 qd.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph showseh/p+n hxy69f part of an exocrine pancreas cell. Which of the labelled structures is responsible for the pr py9e 6+hnfh/xoduction of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and loca cl ;4p(-47oswcxgwbjtion of genetic material differ between kingdoms(jw 4gswl; c7ocx 4-pb 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 mitocrb7 7 u*fcq ,18ckbex6k;9*dvhjfq* qz buzt.hondria support the endosymbiotic theor v.fkq, xb zeq6*r 9q7 1u7cu8fh;**tdzkbbj cy?

1.Outline the steps in calculating the magnification of a micrtledm-gx: 6kx* j.ks f5/;mzzograph.

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

  The diagram below shows a cellqmfrv9lb:gw b- 3o,h1q, m5sg +y t5ib.


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 carbol1 svt2r3(kulhydrates. Which characteristics would you evr ulk3st1l2( xpect to observe in such cells?

The diagram below showsahdf. 2 pd9n8cqkp 7qe3pz td9338ch o 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 prokvf ) kfvuud8-1aryotes?

  What is the correct magnification of this5 i*k4om k klr*zq8v-xw.3tft image?

  Which characteristic is not ggwzxlf3gub5l8w6i31 rjp8 c3: q -ws true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokary)m 0a/h8p kjjo8 x(hs+rora4botic cell, Cyclotella litoralis. What is the actual dijxbo(sarop0a) m/kj8 +h8h 4rameter of the cell in this image?

  The electron micrograph shows an an g j0su-y+b,owimal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of stri/6moe 5z63(aiwul jgv1:l emwated muscle tissue. What is the actual length betweeno1l a:me6mz6gj/ 5wi3 (vuelw the two Z lines?

  Which organelle is formw h8ibpwi x)l+k58( (9nre enied by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organ v.;ppa u/gqn3elles?

1.Outline one way unicell3n-*t+lgnz( omno -i eular organisms can carry out each of nutrition, movement and excre3-ognoin t*nze l+-m(tion.

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 hyphazk.g kknn.5d 80gzrd6e and striated muscle from the two cell types shn0nz.g6 k g d.kd8rzk5own in the images?