Which statement about eukaryotic cells isg9ndpa- uhm*x(u 5r1 q correct?

  Which are common features of bactq-xn:jh lfe6 17t s7xcerial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in theee-;rf x80hwo image?

  Which statement(s) about th1yj/rw6 va p hd3s3qw/e endosymbiotic 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 the same populatiz g.v;u)p db6dzc1m 7ion of cu) c;vzib71m6ddg z.p ells?

  These photographs sh9mcb n4(ows1n.65k vue,k;dffykkv. ow the same section of a human retina. What is the reason for theok n(effdw .y51m ;96 cusvkk bv,k.n4 difference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactispcdv+uk3 zj xu9.5 +k-eu8 tdons taking place in the cytoplasm. What function of life is dexs9 evp3k+c5 z jd.+utuku -8dmonstrated in this situation?

  What do the two labelled organelles have in commot fz0 az(zsjjic-).b8n?

  Which organelle has a double m .b (jewjy)yv-embrane?

  Which row in the table coywzy 7lys:g 2oov- uncma1 r+*i x9(j)rrectly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaryoti9 j)-:+vy l(wzc7ay1x gmunoro 2y*isc cells?

  Which structure found in a eukaryote has a double membraar2f(q o:tg; nne?

  
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 ab*xq:fqj f) )4gw(hrse out 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 funns*5kojiidab 1sr. 1: ction of the Golgi apparatus?

  Which statement(s) a zxq, +b rnw8ixs3)jb8bout cell 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 o 8eonb:)yefl82;kkt bf 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 c8.e q02 dqcpep+.a qm21ted , yy6gnccells.


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 i *a;g)icrg a*ek+w5y sn both eukaryotic and prokaryotic cells?

  Mesophyll cells are found da- *ex8xfcfe)7g0acin plants. Plant cells have unique characteristics that disting*7)eegc0 fafcdxa x- 8uish 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 tranwvw7z. -u/g )hgry 8kzsverse section 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 describes the 3(syi m.lzu5uDNA and chromosomes of bacterial cells?

  Cyanobacteria are pro6v.a ke9e*i58n cetsj4m po*mkaryotes that can perform photosynthesis. Which structural feature is common to both c9e v.nekjcmo5 4*8 s6mp*tiea yanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic o;8h b cwrx(-ryp5- (jkxo;qu theory?

  Which part of the cell is labelled wi) w-ec;m9-)ww r+zjg 4 djdlupth the letter P?

  What feature of chlov4j 5f84,8sy( plcihlneuu f.poyp7 :roplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken.)vp r9uly 3.e ql.n wil.u*ph 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 shows3us x,; xvwu2u zh2 -0ldclix. a cell of the bacterium Vibrio cholerae. Which of the labelled strlx; -0zwuuvh2d i.3uxsxcl,2uctures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is mosgg lc 8 rt6x-9qmd8b8ct likely responsible for the origin of mitochondria as a eukaryotic c9-8x bt rcd l6gqcg88mell organelle?

  Which organelle is the site of prote(a flblzv rk;0d:)f -ein synthesis?

The diagram below shows a cyanobacterium, Synechoc9 c+ftv3qbagg8 )l 6oeoccus 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 structure provides etf ;ordvqv;( 5p nb0+eu 7xnt3vidence for the etuov( 5qnx p+eb7t;3rd;0 nfvndosymbiotic 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 unicellue+snvvd8 583 qn cs+ri1fvawvxc +1 *klar and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest 9ja jde k)v,o.8iex :jr: o:dlcells in the human bo ::akexjoe)li8rj do9,:. d vjdy.



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 cell. Whi+y99 nz om+vut u3tvh1ch of the labelled structures isth+u ov9nu13 y+m9ztv responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and 45 hv a cqp)c5d8xguy7oz5at/location of genetic material differ between kingdoms and spec7/ h5xa a8 q5c)gptu5c4ozv dyies.

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 chloro(qu+ ljdahe. 2uu;kr4vy2 l48 8utyva plasts and mitochondria support the endosymbiotic tly24ua4;v8 r ut2.qk(dhuu8e+ laj yvheory?

1.Outline the steps in csg; +0fm:4yk/w o(hw mygd z*lalculating 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 c,bt j2;z hm y.-6iqbzuell.


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 ccbbbrs)t t64;bjn1+qgo ) 4rparbohydrates. Which characteristics would you expect to observe in sqp)j+)rng ;bo tb1 6r4cb t4sbuch cells?

The diagram below shows a cpz zxwp +2ugnngd4(2* ell.

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 pr2 xr 2jc jk,;q*fk7pzqokaryotes?

  What is the correct magnification ofyr1tg x+vvt7x2sm- +m this image?

  Which characteristic is not true for both mitochoccl+j4-h a r4(j)kmgx ndria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralyonhg6rf(e4t v0 bd3 b);w )buis. What is the actual diameter ofbbh; 4en)bo)y uv0fgrtd(63w the cell in this image?

  The electron micrograph shows an ani-)3 9ibksi(4r +g vjfqz.dvx: nfa xe3mal cell.

  The electron micrograph shows5l r rm74tbf) rph2m0q a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual 2 rhq 45)rl7mmpfr tb0length between the two Z lines?

  Which organelle is formed k y,yr8kebw ss*zq2 04by a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organelw o 5ptmq68 ioz1o0nb7les?

1.Outline one way unicellular organisms can carry out eachl ionsq*v/,5e of nutrition, movement and ioe/snl *5 v,qexcretion.

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 from the-9 ga6ust6l-rin:w yodumz /+ two cell types shown in t9gmd: +runi-ta- /yslu66z wohe images?