Which statement about eukaryotic cells is corre58/x6ubux mn qct?

  Which are common feat( h4bu-f/ y6bmj ,klzfz +/ipvures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is s) t o)ulnkg y4h;t w5g6h3a,elhown in the image?

  Which statement(s) about the endosymbi r9+klt 9xqb-,femd9 eotic 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 from tjj+f0, hgg ump. hz*(she same population of cellszmg gj,u0(.fsph+ h*j ?

  These photographs show the same section of a human retinac ,w-onhx 2 nph8vgkl .za,9(m. What is the reason for tmcng,zp (9ho wa.h-xk ,l8nv2he difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions taking p*d9( b/q4dp,as 2sxp5vax fchlace in the cytoplasm. What function of life is depx(p 5d9*xaab dh2s/s 4q,cvfmonstrated in this situation?

  What do the two labelled organelaj9c:q- m yly2rt tb1deipv(:tz7h25les have in common?

  Which organelle has a doub lq bcoq,)k7/l bb,.bhle membrane?

  Which row in the table correctly identifies structures pv poij2x 2u e su(ef53dvc.6/which are present (✓) or absent (f(6 j .3vppd/x5us 2ieeu co2v×) in prokaryotic and eukaryotic cells?

  Which structure found in a e8b -kz5 a4rz+s8svujp;zbtn3ug 3 b5v ukaryote has 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 followin.n 1dyaz vnw+gp,e+/w *cvx4b g statements 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 not4 nbp84 ocrrno4 mv4u4 a function of the Golgi apparatus?

  Which statement(s) about cell structure is/ar2q7 s ardf;17lxi v8hze 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 micrograpj fes(5-wc 8zrh 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 b1qfrbm v(+k jug0 j28shows 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 bot2n f/*tyjf.4gmz: d)o dhpf 5ah eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics thp7ynrkl)l ;c. iev22kat distinguish them from any other cell typ)cy2krl7p .e l;nk 2ive.

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

  The micrograph shows a transverse s.6u.yk: ft c; :vxehljection 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 dh3c*v e12ufu*g n sp+h8v1 r pmnz-i0jjp*i1qescribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prok e+*z wk4fbej7;ufb3u h4c x27ohr(nwaryotes that can perform photosynthesis. Which structural featur w44n b+w3f7fue ex;ho *zhjb(ur c72ke is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiot k w;)seps2z. p8-wbamic theory?

  Which part of the cel hbk1++1wr6q ez-gb*n 9acnwhl is labelled with the letter P?

  What feature of chloroplasts provides ic*3tdg-kq /i evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell tak(lh7 nj(aa;hxi: ,nrqen 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 l)1 o mtt5q.(fmvxbh3bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the ctmb3h(tq1)omfl xv.5ell from lysing during osmosis?

  Which process is most l*fux zf2fy0:qb2- h peikely responsible for the origin of mitochondria as a eukaryotic c-f:pq y2bu*h02zxffeell organelle?

  Which organelle is the site of p - ebn hi ):vbbitfz37p:coa/(rotein synthesis?

The diagram below shows a cyanobacterr9, xa2xsi 0s8g u.kqcium, 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 whosne8s *e4:xwr je structure provides evidence for the endosymbiotic the*nej e8x4sr:wory.
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 organ t0n0 m:vvlas2s*t,rk n4oh b(isms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in y b62bk8sbz4nthe human body.k 62bz4 bsbyn8



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 a18/g;e6o6ahudp wtmcell. Which of thp6m;1 atea/u6dg8how e labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity tn dhql;w*k+-in,ox*ln j0q6y)4xeof75xk r and location of geneti4 ,l -;fik)rtn**0j noyq doxq+kn 6hw7e5xlxc material 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 endosym/w(zz c b; grr0r7vch :ra/)llbiotic theo/r 0(lcr)cgwbza:r ;vhr z/7lry?

1.Outline the steps in catmfvn e:0p rzebky / 6riud n5,l.6g;vfy0;g;lculating 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 czecb/: ji+r*vs./ fiuell.


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 carboh+5if c; rup:w-rhkda8 ydrates. Which characteristics would you expect 8fr+:ikh;daurpc 5 - wto observe in such cells?

The diagram below show+bmqy4 :z6glts 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 mitocwvp*:e hgh sa/cfd;1 9hondria and prokaryotes?

  What is the correct magnification lgc/t36*v l, kym2xwh of this image?

  Which characteristic is not true for both mitochondria and( ok*4fh k7lff9p9bf w chloroplasts?

  The electron micrograph showsr- shd 7p82.+d :gbgvfb p* +oin,*ks b.pgjbj a prokaryotic cell, Cyclotella litoralis. What is the actual diametergbfb,vnjd 2jg+.sgd-+bp8.:hsb* rpp*oki 7 of the cell in this image?

  The electron microgra,lwr wagjk.3 8:xiui 1 9tih4qph shows an animal cell.

  The electron micrograph shows a sarcomer.alvyja(/ 4)ffjj2 q 4n oa0ece, the smallest functional unit of striated muscljfa4jlyo.a)4nq aj(2 v /0cfee tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesiclqv /ca+ue40h e2wsg 2d8,na afe derived from the cell membrane?

  Which organism contains DNA in exactly two difftr+lfy4ui:)8 .jsn l eerent organelles?

1.Outline one way unicellular organisms can car are)9 p bailw9)lp0i.fawc 6:( x2pvdry out each of nutrition, movement and exc9aa):vw) w(d9a x leip.l2ip0b6rf cpretion.

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 funga dmm,xo0;el ,jl hyphae and striated muscle from the two cell types shown in the image,lxemj0,md; os?