Which statement about eukaryotic cells is rk1j u;s x31fsa8wiq 3correct?

  Which are common features of bacterial cells? + oy0d4owk,ftpsd3p7
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is ss.,*aiun19t9hfel5zuc;akya e zk0;hown in the image?

  Which statement(s) about the p7ypgg .dkvtwe:6 pk, ;p2g i6endosymbiotic 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 o0f*lg bytai9p h.j1ic0vczs87 :k: oln Earth evolved from the same population ofv:8. i fzlp1hgc07ac09y o*bks: jtli cells?

  These photographs show the s58zx0 +m jbhkh;atx 1rame section of a human retina. What is the reason for the diffe5m1r8ath;x +jhkzx b0rence between the two diagrams?

  Paramecium produces enzymes that ca2 2hw,a6iki ,oqkl :od79 oqzutalyse different chemical reactions taking place in the cytoplas,k6o7o2qhoz2uilki,d w: a9q m. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in cocd7+ut;ei 0n7y -a sz/8qhyesmmon?

  Which organelle has a g;c: 9fzi-yf kdouble membrane?

  Which row in the table correctly identifies structures whi6 e l yn,bqfu+;si x/d02vqf*rfyia:8ch are present (✓) or absent (×) in proka 0nb;*qu8fv fa ,eiy 6idqxs/l rf+2:yryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double memb+x uo*pxmdi03 d0/22 tf h7lsxlbap+ jrane?

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

  Which of the following statemsy,41vli/2llu1od gf ents 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 functiow )9gupd(7- hsncjqi-n of the Golgi apparatus?

  Which statement(s) about cell structurer0h dgxnc7//ql, t fdktb316n 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 micrograph of bloo o8s5u/w)fix( ng2pd ld.


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 )ml /q j-s9pvkshows 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 eukaryoticf.d fmo vv+6b7jj;cmt9/)r7w zu rpj8 and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique cha)e2- lz7 mlq7os8:gsbr v .gouracteristics that distingue7gors8.msv7ql-2 l: uz) bgoish 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 sectwjfyp hm3m;4rh 76x.z-ww 1ma ion 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 descrisce5 vp:hwf:n /(ktxxg1oi7:9g,g f ubes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are pro 7eoa*6(tilocjg9bz ) karyotes that can perform photosynthesis. Which structural feature is common to both cyanobacteria and pla6aj c og7ziobel*()9 tnt cells?

  Which statement provides evidence for the endosymbiotic theoryjr hvwww:0/z *1zp6 kz?

  Which part of the cell is lza-) v ii*j7q2:;dbfbnaeeh.c zoh .hu2x+ k+abelled with the letter P?

  What feature of chloroplasts provides evidence for the ep r 0zy41o*kkbndosymbiotic theory?

  The micrograph shows an image of a plant cef sl6:e,3l;0*dnpcc+f 6o/jfyn l hiell 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 ocqv/udx3t 3-if the bacterium Vibrio cholerae. Whic3idc x /q-3vtuh 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 miz + uj( q9f0ej:lyl+ysey,ro+tochondria as a eukaryotic cell organell :fz sl,+ ju+9yler o(jey0+qye?

  Which organelle is the site of p aq,t5-s ft5hjrotein synthesis?

The diagram below shows a cyanobacterium,muab4) 1 ;jewf 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 *erd dp)i.f6 vg3+j6 ds2zgby the figure below whose structure provides evidebf gs6d gyz*e6p)+ d 23v.idjrnce 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 unicellular and mu bs*:gx;jpr9t3og arccy;i +:lticellular organisms are correct?

Below is a diagram of a motor neuron84y. awv9ocgwvs) ,au. Neurons are the longest cells in the human body.4.,8go ) v9wawuvaycs



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 exto, dx+yl v7xq5n5b79jc+5of l w tqd.ocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for exocytosis? ljynt+7b dw .xof ld+5,9xto57qqc v5

All organisms contain genetic material. The type, quantity and location os pq3a:9fq8 ,z3cyawx.u(ejwz0 ep. uf genetic m3yaq,awupf( e90z e .. jup8:c 3xwszqaterial 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 mitochondria support the endosymbiotic7i.b3n6yo0mulh /0hv bkj6m p the/637m.py lm vhjh6bn 0ki0ou bory?

1.Outline the steps in calcdztq 0 x4i4o21fbzk 0xulating 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 cell. m1n+)2*mqzi z nlue* v


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 releaseyr y-kj8 wn4x7w ehg8* large amounts of carbohydrates. Which characteristics would you exp7g j knyh xe8-wr8y4w*ect to observe in such cells?

The diagram below sho(prdc)g v-q ;ews 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 zol cza)q* 8p7 /bnf0lmitochondria and prokaryotes?

  What is the correct magnification of this imaged:ad5: xc5 rdvgcmdyo +8 2wf1xl8mt*ga: ek4?

  Which characteristic is not true for both mitochoqufs /hw.i( y7ndria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyjd1h3(;jp/ 4mrt h uxx9wke4 pclotella litoralis. What is the actual diametej/r;mhwxpt uk 34ph( 4 19exdjr of the cell in this image?

  The electron micrograph shows an animah,zbg 9 fq3b6wl cell.

  The electron micrograph shows a sarcomereh,tmbe(/l s (y, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z lines?h,/sb(mlt y(e

  Which organelle is formed by a vesicle derived from the culq hy5-nvx 7mrlb+(1ell membrane?

  Which organism contains DNA xzqh0z ;qxdrt4amo bw(j i3kt2f l2*y1f): u; in exactly two different organelles?

1.Outline one way unicellular organisms /u8fla q8r2h4ie1 psacan carry out each of nutrition, movemenq huire2a/8sfp a8l4 1t and 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 ma,(o2 wzkc. qmuscle from the two cell types shown in toqkmzw,2 a.c( he images?