Which statement about e igp*o 1vq0gq(l2lr yv 0r-3yyukaryotic cells is correct?

  Which are common features of bacterial y *oc q:*dvq2j u5bnt0q dg04kcells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in tfjs*jn b7pw12 he image?

  Which statement(s) about the endosymbiotic theory is true? o*7:uv ej) e ezdlf+ho:v.8uq
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 evoln 6wrd*0)n/h awt7trr: bgl( uved from the same population of luth:7 )d( gtw0ran/6bnr*rwcells?

  These photographs show the same section of a human retina. What - m;2f iz0rmi46wxslp is the reason for the difference between thwf0l si6i4pm2rm;-xze two diagrams?

  Paramecium produces enzym6u*gzm,haepv(( jwor 1 8gxr 3es that catalyse different chemical reactions taking place in the cytoplasm. What fu (u,(heap 6rxjwgro 81mg*v3znction of life is demonstrated in this situation?

  What do the two labelled o+c b2 n)a tte5;wewwhr jk:02uu.mu i;rganelles have in common?

  Which organelle has al0hqj143j6 capl4 r ga double membrane?

  Which row in the tabl5 cc -28uany* 8d7gg ieu6qpyve correctly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cellsadi n58que6ggu 87-cy2vy* cp ?

  Which structure found in a eukaryote has a double m8,*t yfe.hzu cembrane?

  
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 of3 rpxl,6k col- 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 followin+ *o +w-tgzdcg dzzh5(g is not a function of the Golgi apparatus?

  Which statement(s) about cellxlwje o1s /tn, hw80m. 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 microgrg.1id- kl fk0maph of 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. c oo+g73yv/c2uuiab b8 oml3fr q69k7yoli 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 prokaryotic cesq fcdrq 7tw7b9*2d7 (alv*jp0ag 3lf lls?

  Mesophyll cells are found in plants. Plant cells havebwpw mmwc au4 o-1v *et5 lh-q+91q:zt unique characteristics that distinguish them frow o5h-ebz t wpvtqcm 9:aqm*-1lwu14+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 se) /w.jvs fg0ir1cjx6g ction 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 bact jitf t2;11 lau(pne.serial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. hi.so px p,/f3o(s ;clWhich structural feature is common to both cyanobacterisp hlpo/ o,( 3ci.xf;sa and plant cells?

  Which statement provides evidence for the endosymbiotic w.g u+-)eqtcv theory?

  Which part of the cell is labelled with the letter P?t:b6ufw fzu( ,

  What feature of chloropl 1y:mpr01m8ir 9 jvivuijp6 y(asts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a pla)mdn32f nxdq 3ed 5k3ant 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 cholg05-jrat4h ezr+sb/b99iq(d tdt h4z erae. Which of the labelled structures maintains the cell’s shape and protects the cell from lyb04/9 dr ag tt4e9(bqjid5 -zzr+hhts sing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a s,dv,xa:hmbw/l4 pb3eukaryotic cell orgaspw:v ,d ,bax43mbh/ lnelle?

  Which organelle is the site of ; ikjxw50l2 cg-q;ndy protein synthesis?

The diagram below shj +a965pw/fmf8 5btw kkk kl;xows a cyanobacterium, 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 wsk9cxph8 k 0:,, sgwqrhose structure provides eviden, sqwh prk0 c98x:,sgkce 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 un/rges4a ;w3blicellular and multicellular organisms are correct?

Below is a diagram of n ly1e v+xw4*;vzk1pua motor neuron. Neurons are the longest cells in the human;ke+ 1npvly*z14wuxv body.



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

2.Explain how life functions are performed by Paramecium.

  The following electro, yv r,bvus33pn micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsibleurvp3v3s ,y, b for the production of vesicles for exocytosis?

All organisms contain genetic material. Thi a)5b5dx5xrrbzdr0,or + d q;ev.q*ie type, quantity and location of genetic material differ between kingdoms and spec rq0d 5rixd*z,raob+qbid.v;x) 5e5ries.

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 abourlg d3 (o83.p2yeu02mbbkcwue ::ak it chloroplasts and mitochondria support the endosymbiotic theory? rc:euue( lbo8:i02bgp3.a2k 3dy wmk

1.Outline the steps in calculating the magnification of a micronuq* 3x g w od uook1;)xrnli)kj.;z5-graph.

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

  The diagram below shows a cellwb3dic zv.9 +y-e. u+rkhj31f5tmbl 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 producusc .c:k-sbv :up 6mt06+mw mye and release large amounts of carbohydrates. Which characteristics would youk .6-cvtucmm bs 6::+yum 0wps expect to observe in such cells?

The diagram below shs(fa/r:wpui, a;4a xo:zf0 xx ows 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 appli5o kg/ir 0:njmz*wgfd, l0rv* es to both mitochondria and prokaryotes?

  What is the correct magnificat7 i)xryxqegc/ 4jpa40r:3vv:- verifion of this image?

  Which characteristic is not true for both m/6 d+yctnhu8bitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Wha5((-kj 9;b4chcu-jtg3c9gd sy voz d yt is the actual diameter y 9g4g3(zyo;chccjd9 -udbtvj5-k (sof the cell in this image?

  The electron micrograph shown(8u gf)/dw9 ng+3ujr erelv 55de z.ns an animal cell.

  The electron microgratqd ldd3 w.xq7 yj,y6a;(wa7aph shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual lengtha q l;y,w6dxja7d.73ta d wy(q between the two Z lines?

  Which organelle is formed by a vesicle derivedv9e.8 k7rv)lwh akal1 from the cell membrane?

  Which organism contains DN04;: dv ejd1afcbv 1nxA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out eachy1jht0 itu-.*yo-k cv:sd nnf46:e rh of nutrition, movement anhtrsjy1f - :e o *un-c.6itd0ykn 4h:vd 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 frm4g8 4 b l*imfiqq/ 3dk(,qe :5osayeaom the two cell types shown in the i8lmm/a gi34e,yq ( k*bof4:5aqedqsimages?