Which statement about eukaryoqwrk*/3fx). s kv ara0l5:iiqtic cells is correct?

  Which are common features of bacterial cevzw 6o x/h k.madfv5h*uf0b9/ lls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? d-56n m(ehaue9 eiqv6

  Which statement(s) about the endosymbiotic theory is true t4 (oqophs;3e?
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 edxz9yzh*unm3z ;wg; /rri c3ou j3xw4/ v:g-ovolved from the same population of cellzz3wrx9rnd: c-*v3i ygwj ou/3 hum; /4xz;gos?

  These photographs show the same section of a human retina. What is ih8lrv7d qc ch 0i2d-;the reason for th v08i dc7;il2hd hq-rce difference between the two diagrams?

  Paramecium produces enzymes that catalys *j-kri3w+ut tm0j8ov e different chemical reactions taking place in the ct v0i8*u3ork j +mwj-tytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled wbwy6nj7**(c2 ov a 4xwfpfp6 organelles have in common?

  Which organelle has a9ylfcd d 6ga.p5q8s0u double membrane?

  Which row in the table correctly identifies structures xbdy n:/p7q3)t kl)ciwhich are present (✓) or absent (×) in prokaryotic and eukaryotic k c ) /:bn3yqdpx7i)tlcells?

  Which structure found in a eukaryote has a double mexbf 3d+8(yy-2ap -ktle7: dc 8 2qqdelzo3jgombrane?

  
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?t/dw :t0)nnti5gi2 el
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 function of the Gom.og a,tzp,le.gg0 5q pp -fe0 ,u2jfolgi apparatus?

  Which statement(s) about cell q3si pp*hk/ g*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 microgr-u ls( y;x6ana)/y jokaph 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 t d7:7.kiyets 8htpxora0 fqp..() wf shows 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 eukaryra ucm3/g bzt :t.9)cx( jjbl6z-oq7sotic and prokaryotic cells?

  Mesophyll cells are found 5 xhdvr2:m fxpl e(dc:rn++v2 in plants. Plant cells have unique characteristics that distinguish them from 2 xdrv::+n ed(x25+mvpcflh r 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 leaf. -+l9 wzgbov-t



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 Drezlo mn1e0l..: l/ boNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perfor: 0q*+ eebgayhs;tja- m photosynthesis. Which structural feature is:abhe +j0-*tgy s;eqa common to both cyanobacteria and plant cells?

  Which statement provides evidenf bunmm,yjw w:*94.nc ce for the endosymbiotic theory?

  Which part of the cell is labelled with tp -y14mtgq7 cphe letter P?

  What feature of chloroplasts provides evidence for the endosyz04 tged h;rv,mbiotic theory?

  The micrograph shows an image of a plant ce.hehsng ;s-q j h1:ana125lofll 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 thisv a efzeq37v1 7dj4*e bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from ly*vi1eq3 efa4z7vjd s7sing during osmosis?

  Which process is most likely responsible for the origin of mitochondgq 5r,yzhs6y7ria as a eukaryotic cell organellhq,5 67gyszr ye?

  Which organelle is the site of protein synthe3/ncgd+ys dk 1sis?

The diagram below shows a cyanobacterium, Synechococcus 7h- +x gwhcyjf1m.8g velongatus.

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 visib8 t o35uceu9dsle in the figure below whose structure provides evidence oc58d9u us t3efor 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 unicenkrm ) isdx*04llular and multicellular organisms are correct?

Below is a diagram of a motor neuron.f1pvbia *,or8 Neurons are the longest cells in the human bodbfa,rvip1o8 *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 cell. Wh; d8rso.;bhs fpyl43j8w) cwnich of the labelled structures is responsible for the production of vesicles for exocytosbns;3r f 48l;cd.os8wpjywh )is?

All organisms contain genetic material. The type, quantity gmx8ze2hm 0zsl gs. :cb /,m(pand location of genetic material degszxg pc zm.:8h/2sm( ,mbl0iffer 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 ends jl.*vslyee* 8(: rujosymbiotic t*: jujve. l( e8*slrsyheory?

1.Outline the steps in ck 962l fsb(dr8b rb4sjalculating 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.:7eh+rvvg; 3+ rouhnwd .v5mv


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 car-(yuzefwm/e( - :ln ojbohydrates. Which characteristics would yj (olu-e/ m(-:zwnfeyou expect to observe in such cells?

The diagram below shows a cel1i;lmy2d2u z gl.

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 applif9 gtu)ejyqt -8 um1-d: )qc 3aamjr,nes to both mitochondria and prokaryotes?

  What is the correct magnificatdf806j sb e5ivh2 lvb*ion of this image?

  Which characteristic is not true for both mim e+4(g qnv9 x8fhb9wxtochondria and chloroplasts?

  The electron micrograp g3b y:i: qz) +f:l0urpf9ungibt: g7kh shows a prokaryotic cell, Cyclotella litoralis. What is the actual diamfu 7 kguy:gt09)l::qnb :p+f irb3 zigeter of the cell in this image?

  The electron micrograph shows an animahb:9pyhwxf5ret x4t 9 oe f/ (u5i*e2nl cell.

  The electron micrograph shows a sarcomere, the smallest fun*:/t sgtuge:nctional unit of striated muscl* gu:et/ :ngtse tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesiclenkpd2 .tpz lp6d;6ak1 kz17ze derived from the cell membrane?

  Which organism contains DNA in exactly two different orga /d ql*4z0;tprcu 7oxhnelles?

1.Outline one way unicellular organisms can carry out each of nutrition, k + m2etfq;,*2pehc ay(jtl.ymovement and excretion.;.tfylpc meh*e jk +2,y2atq(

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 striatewr8,a1 *5brq p sskor6d muscle from the two cell types shown in6*rr8bs a,k 1r5pswoq the images?