Which statement about eukaryotic cells is corr o(1 r9iedcrd2roc85eect?

  Which are common features o3j.qyb8 wxbse14x o;q baa*b 8f bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is s.r*l+hqd 3dh uu/akcv0k6b-p hown in the image?

  Which statement(s) about the endosymbiotic theory is t lmvjjeeyq3q,5z6k4e2d i e.:rue?
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 eviden50ea1 /n rgaszmej gii5j--)mce that all life on Earth evolved from the same population of-j5gi rsj0 a1/5gnm-ie)ma ez cells?

  These photographs show the same s*nj usc; 0h3vqection of a human retina. What is the reason for the differen c*v;h q3s0unjce between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactio, c nf0(8 h36,au)78pyt qyrfxkg paezns taking place in the cytoplasm. W6xz7qh )0ptu 8 cf8,ryafe,(a3ng kyphat function of life is demonstrated in this situation?

  What do the two labelled orgti ff6c;+q*lhzv7 2ccanelles have in common?

  Which organelle has ay.k-j;j wp e2rt5wwr. double membrane?

  Which row in the table correctly identifies structures which are pres3 p +m *bitp/-wjovi k)ma;qy3ent (✓) or awma3qpyi)- vp* im k;jtbo3/ +bsent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote ;2hahj 5h d:xohas a double 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 structure of cells?r*h7red*n m(k
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 m/k m::w+fv;mat e-lb a function of the Golgi apparatus?

  Which statement(s) about cell structure is/are noj 58sg5kc r4h/ic grp*t 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.(2h qrny7ped rc76 jm2m)u ov5


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 2hhj p*antp) wd9m 6f7cells.


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 cellsiy- ,eck mutj o1mvwl- ,y, i6m-5f8qn?

  Mesophyll cells are found in plants. Plant cells have unique characteristictmm ( p4ryl,,rrg +bu,s that r r(+, lrmy,bg, tm4pudistinguish 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 section through a led7 gghe5 pubypa jf4 z6)s.g2:af.



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 describesy(ophyg7* 74 gdkma1 u y/ys-u the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. h7qa h+ocs (,yWhich structural feature is common to both cyanobacteria and plant ca,q(y+ shc7o hells?

  Which statement provides evid*cjp gi94pe8 gence for the endosymbiotic theory?

  Which part of the cell is labelled with the letter P/s 5floug2z j2?

  What feature of chloroplasts provides evidence forbvfcw /l2pfoxx p g5 sykhp8d61.:.+c the endosymbiotic theory?

  The micrograph shows an imagen; t+5f n 0;mkswo)xen 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 cholerae. uem7 z 1( d0vnpcr4yx)Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis? v) c7p um4(rx1nyd0ez

  Which process is most likely res;yba bsm 32c2kponsible for the origin of mitochondria as a eukaryotic cell o2bk;cbm3s 2ay rganelle?

  Which organelle is thh+ r,;/*:x bltbfmrfti x3yj7e site of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcusscg w8ja:46q+k. i jxt 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 figureok7wdsiagjro/i- mq2ou9h .j/6 3bl 7 below whose structure provides evidence for the endosymbiotic ti-93loj/aohq7w 6 oujsk id/gmb2r .7heory.
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 multy:- 8 fbh:7 puxidia.aicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lonqu fkzbf,, 3r 5hx fvg54hn+*ogest cells in the human body. hqnf ghk+,f, rx5*b3f uv4z5o



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 a :itx m9nqzd2*n exocrine pancreas cell. Which of the labelled structures i2*xd9t q m:nzis responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type,e.+*, jo n: wac7mw na3o rrjs*h+xml, quantity and location of genetic material differ between kingdoms lr+ :w ,.acmomxo+rn j n,ew7j*s3ah* 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 l7f8 q)c)mn :nkn l2oyendosymbiotic theoryonnf7)n2 :m)klq yc8l?

1.Outline the steps in c. n/z,9 m+amsrj:wvpkalculating 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 sh5c:i 1hcdxos .(zgq -yows 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 carbohydrates. Whqpkv5yjk+n + vjobsq*a5x3) ,ich characteristics would you expect to observe in such cells? q3vkx,qyaj k+ 5vspj+bo*n)5

The diagram below shows a cenp x8x: 8(fo/ubipr3xll.

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 prokary bu/aa94n )timak 2q,wotes?

  What is the correct magnificationxqs;j)j(ff )x of this image?

  Which characteristic is not true for both mitochondria and cjh1s4 s ktbr::jm7ie0hloroplasts?

  The electron micrograph shows a prokaryotic cell, Cbwf4vhlj7l ;6yclotella litoralis. What is the actual diameter of the cellf4wh vbjl7;l 6 in this image?

  The electron micrograph shows an a2e iip g.g1m (0wpd aw0ecvec2 ao,-y0nimal cell.

  The electron micrograph shows a sv;nlc)u79.kjp ni b- rarcomere, the smallest functional unit of striated muscle tissue. What is the actujpvc u9nk bn.7)- ilr;al length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membranezs8ik oaggy-,( 69 dum?

  Which organism contains DNA in exactly two different organellesl(jb-phrs:-j ?

1.Outline one way unicellular organisms can c;vs h32 no)bgdarry out each of nutrition, movemenvsh2nb;) d o3gt 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 musclz j5t).coh1 0v /d0i ngjtmcwp0*kdp*e from the two cell type*tcp 5iov.p 0d ) *0kzd0/jwh ntc1jgms shown in the images?