Which statement about eukaryotic cells is com166tyz nitj; mlc* c(rrect?

  Which are common features of bacter6ra*hg66sn:guqz z - cial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the t+y* : zm wpk)62hwundimage?

  Which statement(s) about the endosd /,ye,,pkrcjymbiotic 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 population ofv 4r5wmj (ois5a 5-vkf5aj5- vi( rs4kmo vf5w cells?

  These photographs show the same section of a human retina. What is thep8p(uoan0u b 696f zx,nolu 6n reason for the difference between 9uo,0nanp zxf6 b86lo6(nuputhe two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions bj6(hxx :3 znqtaking place in the cytoplasm. What function of life is demjq n(6 zb3x:xhonstrated in this situation?

  What do the two labelled organelles0q,xcytc,p5pb:v2 qvyiq+ +j have in common?

  Which organelle has a double membrapqc -uoq/z;p o2qc1s0ne?

  Which row in the table correctly identifies structures which are present (✓) or:yj)muyoe *m + absent (×) in prokaryotic a +:yu ye*)omjmnd eukaryotic cells?

  Which structure found in a eukary+e6onjp t ;rr2ote 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 following statyk 7ug nj,x1b3ements 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 not a function of the* jpv m))s)de xj fwf+q/ ln5wz30*tcd Golgi apparatus?

  Which statement(s) about cell strhuu qyi2:w0b 4ex;ju4ucture 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 microgrynx.cb /oy*w9 aph 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.zqc/n vj; m 926fcstu)zr/q50maou w, 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 eukaryotic and prp9;df o8gv + r4oj 8o4xpc xvmh5o-qa7okaryotic cells?

  Mesophyll cells are found inebakfxcxjm/ gq 0bu3 2+l/5x 9v6se0s plants. Plant cells have unique characteristics that distinguish tasj50k9gx +0b/23bu6c exsve q fxm /lhem 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 transpu2/1mc1jfd;e )hgjgc4jh , tverse 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 describes3p /t6,uh;,rypqqf9q. rz+ul0:cqe a t2cqdn the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that canofcfj/f2,ms ljn 8 n68 perform photosynthesis. Which structural feature is common to both cyanobacterinls mf86c no/2j,j8ffa and plant cells?

  Which statement provides evidence for the endosym-*eavefg:ao-w2; t1slg aw z6biotic theory?

  Which part of the cell is labelled with the letter c 3(x.;,h 0zqss8i gdvddbp e3P?

  What feature of chloroplasts provides evcwo1;w3 bqgyygn j - 56s9qm.aidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell tp ;prf00sy2oraken 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 ch ulanyj 2ule+32c clfnh(e sa59+xh+*olerae. Which of the labelled structures me2l *jhnf a++(2hlcy3cnu l a5+s9xue aintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitj6 .xr(u1.)ltk+hsn ly y9nx kochondria as a eukaryotic cell organn.sl9)nrxkl th+ky (1yj.6 uxelle?

  Which organelle is the site of protnkvqc2sj,wz um2)sa+ ,if-+ s ein synthesis?

The diagram below shows a cyanobacterium, Sy- tnurvuq)cd:t ji 1u)/ j*,g ,.au: 2fzewzjinechococcus 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 inliuvp80r- yp 2 the figure below whose structure provides evidence i pyrvu0pl82-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 uk.ircvzm;aq3 ti4lij* ff 96:nicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest m ooy31 xlgx-8y 0g/t5kb g6abcells in the human bodyx/ 61yb-x yagm8l5 0oktg3g bo.



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. Whichk7pcpap,9 g d- of the labelled structures is responsible for the production of vesicle p,9gd-7c kppas for exocytosis?

All organisms contain genetic material. The type, (b/y ym 25q g9e:)ale-cli5uzdia(f .jy+teh quantity and location of genetic material differ between kingdoms and s5(:zl /jb.9ehilec-tqe gudaa2 y +y (5fymi)pecies.

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 suppl7 1qx9vtbb qogl35/mort the endosymbiotic tq1 g93bbvx/mt 5qo 7llheory?

1.Outline the steps in calculating the magnifenr-qppf-ba )m 8w w19ication 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) li:c3ceqg w6 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.dmx:jfk /nhe /c5vlu7t1qi(x5 gn2m : Which characteristics would you expect to observ2t k5nvlu:5/ q/ mi n7ejfx1:(xdgcmhe in such cells?

The diagram below showi/w xifgo;v 9 hr*7h8ks 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 mitochondr0v )wqk8 cx mwcuft209ia and prokaryotes?

  What is the correct magnification of this image?u)q +xzi k5s2/ +9wydu7 j*uc0urehzq

  Which characteristic is not true for both m ,uv;j*b.iotd itochondria and chloroplasts?

  The electron micrograph shows a prokaryotic celdr*tkgx/ g h(1yda;sxn9 40 vfl, Cyclotella litoralis. What is the actual diameter o(gx4dxy;a09d/ 1*sv rnf ght kf the cell in this image?

  The electron micrograph9kxgyc -b0q;pa -qhlzf)5u zc1 x85j c shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest funcg xfj,jyb7/0 dtional unit of striated muscle tissue. What is fg bd ,jjx07y/the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membra k-l:rqfkd5s7ne?

  Which organism contains DNA in exactly two differentl nujk;g*1*ni:r0lbv+cr x78v 5od hi organelles?

1.Outline one way unicellular f(gms e-m i+hw)dz 5/6:t76vvfwkxfu organisms can carry out each of nutrition, movement andfe )t-+ f uh7:s56x dwgkmv6z/v(wmif 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 mus6 s+sbj4 flo*jj :: hw,xtcqv0cle from the two cell types shown in ts0 ,vfj:j:c4 jxw*ls t6oh +qbhe images?