Which statement aboutzjx 0-op aeek3d0abbou 6/k2:fh,ls0 eukaryotic cells is correct?

  Which are common features of bacterial zp ha ( nkluzp12.n*s1cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in) 0lf,q (ue oxz3cgo,5hra 8ua the image?

  Which statement(s) about the end4ph xgl3;h tw u;a7*paosymbiotic 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 pop/q9x7 4h3yyyku nbr6 ne st4 -/krjt8uulation oe69 4 nyth/r uknsy-78kx3rb u/qjt4yf cells?

  These photographs show the same section ofu+ e0--hkkiq z a human retina. What is the reason for the difference betwi huk-ze- k+0qeen the two diagrams?

  Paramecium produces enzymes thatwhg0-g fidu +4xa+rk 8 catalyse different chemical reactions taking place in the cytoplasm. Whatk4ghwf gidr-ua x++08 function of life is demonstrated in this situation?

  What do the two labelled organelles had, qm j*apc,n9ve in common?

  Which organelle has a do/pkntzw yrq5 *f22a o:uble membrane?

  Which row in the table corvul 6b:gsq )r7rectly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic rlgqbu :67v) scells?

  Which structure found in a eukaryote has a double membgu: (etf7 do*pny ddec6q vh: (c.1ap:rane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statementwf5b4i6qbm / x: thss0s 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 not a function of the Golgi app8 p jzin6d48nklq3qcyf (3l 2oaratus?

  Which statement(s) about cell structure is kws:oox l*m9h+1n-v k/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 9*oejpfrsz f c2vrz*i;d3p 93of 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 cel8m 1 usy5do*a+zlqhy:ls.


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 prokaryrgj6gw 8hy,r(j g 7u:totic cells?

  Mesophyll cells are found in plants. Plant cells have unique c7tey ,vs)h3m vharacteristics thath e3,7vvsmt )y distinguish 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 sectionj7gv 53 mj einmu: eaip.u-;1)wqav)e 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 chromosomu+y* 3 cpl ux2vfht0in9j:s)qes of bacterial cells?

  Cyanobacteria are prokaryotes that can p6j2ox/2tlgs) x :gtdv.wuppk.i(dn ;erform photosynthesis. Which structural feature is common to both cyanobacteria an o /)6gtgu.wx(kp :xp2d; i n2v.tsdljd plant cells?

  Which statement provides evidence fym z,jm cw(fcl+z ,agex/-5-k*xze m+or the endosymbiotic theory?

  Which part of the cell is labelled with the letter P? ,;3p axln.auz

  What feature of chloroplasts provides evidence for the endosymbiotic theop2b mr;k* r:slry?

  The micrograph shows an image of a plant cehoic4sf5am*d;pud swo/: *c/ll 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 ;/vlzrc/ w6rfthe bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s sh c6wfzlr/r;v /ape and protects the cell from lysing during osmosis?

  Which process is most likely responsible 5jt.y lgvb2 1sfor the origin of mitochondria as a euk5 bvs.tg21jl yaryotic cell organelle?

  Which organelle is the site of protxtg* e83t 1sqef ljo*si :obq7)7gf0uein synthesis?

The diagram below shows a cyanobahm;qhagpv m-w1pkp8/ 2wfc*i98vq(sv )fe3 lcterium, 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 ih m7+rc3x-lks be66 zstructure provides evidence for- lr3+ks m7e6bzc ixh6 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 unicellular and multicellular organisms arex ir0 b12t4 c sni://uo3uqknv correct?

Below is a diagram of a motora4w26 +drr s,f)otvz7lgc kw+2o mq9f neuron. Neurons are the longest cells in the human bowsvoc 4 zf+a2l)72gt,f+rk9drq 6mo wdy.



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 exok(834 rr* arg*lqi xp7nt/zahcrine pancreas cell. Which of the labelled structures is responsible for the productioq r nlz *74hrx(grakp83t/ia* n of vesicles for exocytosis?

All organisms contain genetic4s12wq* rxrixha --g a *ixj3z material. The type, quantity and location of genetic material differ 1s3**x axrh-zax-j r24wigq i 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 endosymbiotq:5voik2 7 qoi6gp l-jic thei7glo v -5o6qkp:i q2jory?

1.Outline the steps incprlf 36tf697xd0q oa calculating 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 ;ac8+cjdho:m427+az ogc d d6bzu b. jcell.


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 azk86jy,w c+.p +zu s+q5idhspmounts of carbohydrates. Which characteristics would you expect to observe ik hcpu5py.,+zz8q+w jss6i + dn such cells?

The diagram below shows a8a(. ww:yi r 5jyzsfb- 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 mitochondgy pi)w(1lb* cria and prokaryotes?

  What is the correct magnification of this ))j/df80ocr tmvljx7ii:l eo;(9 iinimage?

  Which characteristic is not true f2u(+05 6qnkrawdmwu dor both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Whai 45snf( ksmw3bu ez+6t is the actual diameter of the cenuwm 65b+i 4k( ezsfs3ll in this image?

  The electron micrograph shows an a6ns . 7kvx m7icf r:1,mvldq:pnimal cell.

  The electron micrograph shows ajdcr n/w+f3 +r sarcomere, the smallest functional unit of striated muscle tissue.rf+j ncr 3w+/d What is the actual length between the two Z lines?

  Which organelle is formfu3ek8xj r5/ med by a vesicle derived from the cell membrane?

  Which organism contains DNop0tfw+yi 0xgn- 7e. hA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nai1 *dp0)dzk 5t/zdt- fheoj2utrition, movement and ex0-1 5kdted oz)tf z ih*aj/pd2cretion.

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 striatedb e1ea 6 )1vd,-zfx+z egzm yqm:o kh/*9*hbrc muscle from the two cell types shown in the ezhe 6y/f 1+*9gxr -db:vz *)mkacbez1h, q omimages?