Which statement about euk/z6lg*v/ki9 + ea mdiharyotic cells is correct?

  Which are common feakw6oi p8*cjg5 tures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the;gr) rnla -v)luu ockiiou3vf2709 7g image?

  Which statement(s) about the endn py5m0pcu*3 yosymbiotic 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 4:g jp y4tcnuiz, x56mfrom the same population of celygji6tx cm:pu45n z4, ls?

  These photographs show the same section of a human retina. What is the reasoygbk*wv((6 ldu//diq p )av(qn for the difference between the two b dwqq6i(gk(* udy(p)av/ v/ldiagrams?

  Paramecium produces enzymes that catalyse differe o.: oytw6c5wq1qqzp(6*yqui nt chemical reactions taking place in the cytoplasm. What function of life is demonstrated in6wy5qwo6.qytc 1 (zp*qi uoq: this situation?

  What do the two labelled orgatq1e8nm1 3 src*uc0yinelles have in common?

  Which organelle has a double membra jg05vuo6rbv)ne?

  Which row in the table c;uwbja oydcu w,9 t41jv3w1cp cnb y5g926-ijorrectly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaw,96 2;gdw11 coujjcitc93a5-bbpuy nyj 4v wryotic cells?

  Which structure found in a eukaryote has a double memb5:t8if ln7a k4qlznw.rane?

  
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 structuredwqz3 z: : h -cbz-kuh,x.3wm(y/zz ny 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 G(aas4 )o lrj(xolgi apparatus?

  Which statement(s) about cell structure is/are nj0wg)u)bq2 r.yih) h y,abe:kot 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 of blood.+e+p6 g9t*o7qexijgy(hyr/q tf ;1 yw


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 cellk+dha* xnijla /-*a *as.


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 bodyci,n/ f685d o ubd/dth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plant):*6;:oy: h wmti fb; bmukonws. Plant cells have unique characteristics that distinguish them from any otherky ; ohmo: u;nmt6:*wwf:bib ) cell type.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows 7 t uvp,2mxkikc*arln.8 1 i8xa transverse 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 desc4 4 y og+w pnr4c8cr;ikl-:skoribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which ;hb:wekri: : i2bqp+cstructural feature is common to both cyanobacteria an+iwre:bh pbicq ;2 ::kd plant cells?

  Which statement provides evidence for bb+ kuhg8/nd -the endosymbiotic theory?

  Which part of the cell is labelled with the letter elm,n3ud dqc w9+i ylm /8p2e+P?

  What feature of chloroplasts providwqr4a 2s* .2z 3q(idwpo a3(4pst9 aqhen) rnyes evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a lightj x+n g0;xqa2u 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 be)2zq mu2/4h 9 xcw fczvgcf1q*sio1(elow shows a cell of the bacterium Vibrio cholerae. Whichz24f 2*u c 1)vzmfc/qwqc(h e91oxsgi of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a eukr ; vklxyox1 cp mt8g8*,wn9k8ary,yo9k8 lc;txkx18r*8vw pmgn otic cell organelle?

  Which organelle is the site of06t 6egtwezjt;f x: .s protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatf/ za ny5uw/r2us.

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 organe/d s1;u+ dmwgolle visible in the figure below whose structure provides evidence for ;dw omd +g/us1the 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 orgas5sg+et zr+ 5snisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest c ea.b/ud+4z vqloii aq+j:p d6s0ax (,ells in the human body. pqx o6.:jiu +z/, elia(baq40dsdva+



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph 0*(vo3 jf iydvq+ru +sshows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the prodr +i vyj+ 3vdosf(q*0uuction of vesicles for exocytosis?

All organisms contain genetic material. The type, quan w6;x7o,w 7yghsrt0pmawmshzl: o7, 2tity and location of genetic material differ between kingdoms and spec o7 7w:,hxz;a tswmy mh76,ls w2o0rpgies.

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 abouv uqbiaz .lj,3)1i(4pk.msil t chloroplasts and mitochondria support the endosymbiotic theory.i3 i 4mq,lk )ubjl 1i(zvs.ap?

1.Outline the steps in calculating the mdlsg4)z)skf n.5-s84/ xcw lw1ztra cagnification 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 u,lj qgcuw45( 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 red d.)iq,g(fhglease large amounts of carbohydrates. Which charh) q,g(fdg. diacteristics would you expect to observe in such cells?

The diagram below shows a cell( b;ml/ *dzu;k ;wnzrj.

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 prokaryotesabp aboa 4uaxd-n): bv4 )0s)l?

  What is the correct magnification of1ewx;p tek: 7w*,napdg ;d 0ki this image?

  Which characteristicstn 6 v29wh.il is not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic celuu m53d1inm z.ky ,t6ml, Cyclotella litoralis. What is the actual diameter of the cell in this ik ut53ydmm. iu1n,6z mmage?

  The electron micrograph shows an ng ax;q m6659mxs tp/0nq oy0zanimal cell.

  The electron micrograph shows a sarcomere, th(6n1gpheym71 3 a 2vwhp,o)2vuyjmaa e smallest functional unit of striated muscle tissue. What is tn6(,2ow3yj)g21 7vhyap 1hmvam uaephe actual length between the two Z lines?

  Which organelle is formed by a vesicle derived :zr su8m dm,s,eip* 91oiuq. efrom the cell membrane?

  Which organism contains DNA in exactly two different orgu;l.1hmu byxvfnb+*gi* v ,p -anelles?

1.Outline one way unicellular organisms can carry out each of nutrition, mov pfi z ja em/36mu3wz.ue+83hiement and excrejehu .u3m3 8mw3 +ipz/z6fa eition.

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 str71 ld2/i9 et jh2s6rbwa4hqhjiated muscle from the two cell types shown in the sr6d497w2hq bahlej/j it12himages?