Which statement about eukaryotic cellsi s4nv 8fjv99d is correct?

  Which are common features of bacterialz tq3: fwn85tm cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is sh)e+j*u;tmvf) ft vt3hown in the image?

  Which statement(s) about the endosymbiotic theoh06r2wq b w64wmnmeruk *y 41dry 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 evg z+2ok3 k7msjolved from the same population og73jzms+k2 o kf cells?

  These photographs show the same section of a human retinn):qn e8azt5 lyy:m:s63ccima. What is the reason for the difference between the two diagramsae5z3m6ym ci:l nnyq t:8:s)c?

  Paramecium produces enzy*wyffbu:tavq8yr.a3 4 ie- yp*t0 j0 smes that catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in-yuf8a*a4 bt *e vj t.0sfq:pwy0yri3 this situation?

  What do the two labelled organelles have in commct qp,i nod6gtpj*shxk, ,+-l ysb25( on?

  Which organelle has a double7 0i bdc4mrr)k y(uxww5rynt w-0)x7 q6pbg(g membrane?

  Which row in the table correctly identifies structu 5k7- t4nrmvg isp5d4r4qi lm1res which are present (✓) or absent (×) in prokaryotic and eukaryotic celq7m -54144kplds mgnr5vi tirls?

  Which structure found in a eukaryote has a dou/:vw2l wb,xf aq4-fnhj 0r c kof:0 (x/ggqg(hble 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 struct bpcat8afit2ze, 9i5) ure 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 is1gzcx537 ass p not a function of the Golgi apparatus?

  Which statement(s) about cw(c ebdeo31l vhv/m-4ell 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 micrograph/g / 6y6yjvh6*cfs nwq 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. coli 4ezy zd2vr8b7s(wr6ikrb 2/ fcells.


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 cells?1 -jggzbtn)th,pam qe8(z83 e) 2:ehu -exuto

  Mesophyll cells are found i3djae4qx; f ebf*0*qqn plants. Plant cells have unique characteristics that distinguish them from any jf0qeqb*3af ;e4*x dq 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 section through a leaf.-wavtg *i i(r9



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 cn -t 1dld:vkv (sq6 57eo+v1lpouc: dzhromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which struc31.o n3.y uf h6vgr;lxe :flwqtural feature is common to both cyanobacteria and plant ce6w v 1luo3fe:g.q.3xynlf; rhlls?

  Which statement provides e 4+jz(0jrcdnlh e jd)9vidence for the endosymbiotic theory?

  Which part of the celc;k5lhql 0)jj:lb5) euc5 t,ju 1igse l is labelled with the letter P?

  What feature of chloroplastssz p)yp8c niq /7hq-7v provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken wmh1wx/ o7ae,t :bcgyq)z7 iu)ith 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 bac0;:: v bhqzclzjq./xlterium Vibrio cholerae. Which h lvzcxq;bzj0q.l::/ 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 mitochondfpim2/uc*i- tbm *d6 eria as a eukaryoti-t6 ceufi* imdp*b/2mc cell organelle?

  Which organelle is the site of protein synthesigx-1rmxio +x u7c;(qrs?

The diagram below shows a cyanobacterium, Synec 27gz9j.qkrup hm3n1izis k4n 7ni1z7hococcus 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 fig,2w5z v o4lnl 9b3fxxo+-j4fax s um/yure below whose structure provides em/ob fyl ,4-+5xf 3 2azxs xulvwnj94ovidence 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 multicellular organisi3k2djt) ,pch: 1ajft ms are correct?

Below is a diagram of a motor neuroojgo;b(ocox3io 7 2:yn. Neurons are the longest cells in the human bod xo32oj b7c(;o yoiog:y.



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 exocrine pancreas ck5rwy 40au xl+ell. Which of the labelled 4xwu lk0+yra5 structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. a(spa8e wt pf.l *v;lr;npca*-v*1wqThe type, quantity and location of genetic material differ between kin*law*;etqvps-(1 * cp.8;nfarp lva wgdoms 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 chloroplasth; o k03n3vfadc)dfj-s and mitochondria support the endosymbiotic thf;dn3k 0h-3 v)cdf oajeory?

1.Outline the steps in calculating the 4, ;8laezvf znmagnification 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 sho; sez-7 6hlm+q ua:zb6rjl 4da-.jbqows 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 release large amounts of lk.p)/hyr+x8r tlo h;carbohydrates. Which characteristics would you expect to observe in suchhorp/.xk h + lr)l8yt; cells?

The diagram below shows .pq-arzgf35t e2cdm2rxb0l+ jo 4 4e xap61n ma 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 mitow v4v,dk (wt+so iit8zv +7wc1(yv4uichondria and prokaryotes?

  What is the correct m/qkfg4gfou .y 0w0+f vagnification of this image?

  Which characteristic is cbn 5y72aos oju0 em3/not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cycl +te4mqkbo66jrzl4o7otella litoralis. What is the actual diameter of the cell inb +6 o 4lk7qr4ozetj6m this image?

  The electron micrograph shows a:p se +fw ca2sebg*a6f u1*en+n animal cell.

  The electron micrograph shows a sarcomere, the smalleekf nc(e:8gu-nm/ o:e st functional unit of striated muscle tissue. What is the actual length betwee-:e 8cee: nug/om fk(nn the two Z lines?

  Which organelle is formed by a vesicle h+ ugcy .l3/ytderived from the cell membrane?

  Which organism contains DNA in exactly twoiz41v g c-:cho different organelles?

1.Outline one way unicellular organisms can carry out ean+8ad tdd7g:o +x l/ivch of nutrition, movemen:d8v/dx a +7noltg+di t 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 muscle fk k )m.7,uem 2kydtj6srom the two cell types shown ityms6kumejk,d )k72. n the images?