Which statement about eukaryotic celq/:d9: tx2ue znr8 vvxls is correct?

  Which are common featuresk.7)/qqvg v jt(twe8m of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in 2/kh/5kwuyyumj/y n8 the image?

  Which statement(s) about the endosymbiotic theory is truxa jpq9-3,tpfe?
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 Eap +u elge;s1(jrth evolved from the same population of cuegl +ep1js( ;ells?

  These photographs show the x +o,x,ubzdn ldg -t8*same section of a human retina. What is the reason for the diffx zbg 8n+udxod*,tl,-erence between the two diagrams?

  Paramecium produces enzymes that catalyse dif5ez/xz t2p) ukx zq*w9l e-.akferent chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situati eupa 2qlk kz-z.ex/t5)xw z9*on?

  What do the two labelled organelles hai0jj+ ,k9wkswve in common?

  Which organelle has a double membrtjur:j q yz)r4 (ui*/e hc2y 2:k-bphzane?

  Which row in the table correct,4mhfo e:ca7tly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaryoticat:hm, o c47fe cells?

  Which structure found in a eukaryote has a double4f ut.a3p kd wg*8s4z qi8d1vb 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 struc0 o/ g14eziw1 n0ihfaature 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 apparatuhibw jo7,r7;a o 38jvvs?

  Which statement(s) about cell structure is/a lcj1z;p71 px.5xg;-x hj ox8wp;o ofrre 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 of bloboxa6lid7h +vda*2x5e 1twss, 8 j-h7(qm jdjod.


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 shoea2s5ir81m/q /b aokbws 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 p xw*-g if dk+c(vf,/nsrokaryotic cells?

  Mesophyll cells are found in plants. Plant cell ci6os8+ -kqkjs have unique characteristics that distinguish them from any other c- jqkk so8+ic6ell 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 t8rfd3w69d yamlhlos4w g2 4(chrough 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 cell t f40k gi3ojls+t)(z whoh2/os?

  Cyanobacteria are prokaryotes that can pfiy mu:0:,fivzu9( -fznq2 nuerform photosynthesis. Which structural feature is common to both cyanobacteria and uv-0 ,zfm:( qzyii2: u f9unfnplant cells?

  Which statement provides evidence for the endosymbiotic th7)w2o( cexshc5/lnzhg4l1dwl z4mx8 eory?

  Which part of the cell is labelled with then7a1 -cnbzj3 d**zxdf letter P?

  What feature of chloroplasts provides evidence for tm:x) 1qx7 1wyjm xy4fthe endosymbiotic theory?

  The micrograph shows an r 5oomm0.qb2. l:+jl,uyzwrmimage 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 choleraepchacy:s2 rx.ez0 n p:v xj/.3. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during os s :a3zy x0xc/rhjc. pep:2v.nmosis?

  Which process is most likely responsible for h :f2cp n5 2z+hdg dy;.snue)tthe origin of mitochondria as a eukaryotic cell orgzt5d;psh :ng2dc2 n +.yh)eufanelle?

  Which organelle is the site of protein synt5k4 unt jp68kz)o flpc:0)qxy2wtqwd 2q-p;ehesis?

The diagram below shows a cyanh 4tqzd.vox,*3g la .epavals 17br:5obacterium, 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 struc6v p*r,5wtk-tfawo df,7 - westure provides evidence for the endo kswet6f-a fr d57-,w,*vwt posymbiotic 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 multi.r* orcbv-)gga am m06cellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest c f- kyl.*dseq*l:z /wyells in the human bodyqwzk*y f ely /:*-sl.d.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows p *ufx)h4j;1 mgvac yx( 5(vxvlart of an exocrine pancreas cell. Which of the labelled structures is responsible for the pr 4x g*h5cy;(vvxau(fmv x1 l)joduction of vesicles for exocytosis?

All organisms contain gener .gxjyw/6 n (zpg-qxnq38i;ehx g e.egy/j)-tic material. The type, quantity and location of genetic man/ zq68wyje--i qyr/e x xjgh.x).eg 3gp g;n(terial differ 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 mitochonpeb;5 *rkjj 7znn v*l;(r)kpkdria support the endosymbiotic tel* jp7rr jn)vkzb*p;( k5kn;heory?

1.Outline the steps in ckubgw 56oogk4cz:w :)-l-v kcalculating 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 am x c/p o.ae6 asvxo+/flj-*;h 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 ofobsr-u+ , 3cii carbohydrates. Which characteristics would you expect b, ric3-io+u sto observe in such cells?

The diagram below shoh c p1x4gow7rt69l0jj ws 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 proa6byph1thd l .n4 y,be.g.w ,bkaryotes?

  What is the correct magnificatio*sh+n)n4v h abnml);;kkcl p2n of this image?

  Which characteristic is not true e3kq9m/ uujcbw)u77l for both mitochondria and chloroplasts?

  The electron micrograph shows a uxq4n(a7f ww5c d5oh8 prokaryotic cell, Cyclotella litoralis. What is w8qn( f dcwhxo7a45u 5the actual diameter of the cell in this image?

  The electron micrograph shows an animal cel kh79hec.yxab 2a0vr9l.

  The electron micrograph shows a sarcomere, the smallest functional unieuuvfr b19 i;t1c q7k7t of striated muscle tissue. What is the actua7 9ub rc q1e7kft1iv;ul length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membrrmkj;p8:xqahzld- jk i8a7* :5.knqx ane?

  Which organism contains DNA in exactly two different organex/muj;:iphr :lles?

1.Outline one way unicellular organisms can sc x .qi8c k+(hqmxz7-carry out each of nutrition, movement and exc.iqzsx8 7xh-mqcc (k +retion.

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 andtw2e crt2 )d.3xa, ol ysc b24ovnx(k2 striated muscle from the two cell types shown in.nd2tlxxo cov4)b ty2r ,k( 3wc2esa2 the images?