Which statement about eukaryotic cells is t/cl)zi ;lxowm8w78zcorrect?

  Which are common features of bacterial ce/a(;3ms:y;mdi v send xy,zy)lls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imymal t3;+ d:f o3ncodd az**c:age?

  Which statement(s) about the fhql ,16bbki)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(mhni6ze0 l4rwex f 23 all life on Earth evolved from the same population of cellsrxe60 i42nfe (z whml3?

  These photographs show the same section of a human retina. What is the reasov qufml1zm9)/ s( bfi4n for the difference between t1sm4u b9/qv(fm)lfz ihe two diagrams?

  Paramecium produces enzymes that catals7/soyy(dp ) lyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situp)7sdy /o( lysation?

  What do the two labelled organelles haniy n ;n7ql1c7ve in common?

  Which organelle has a dooi; 8aofy r6tc. p5qz7uble membrane?

  Which row in the table correctly identifi8qdm8t ho3y ;aes structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cell3amd; oh88 yqts?

  Which structure found in a-kg ov.fh+/sb eukaryote 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 statements o:ihf9x71rf7zl 4waj 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 olwk98a+t, eg qf the Golgi apparatus?

  Which statement(s) about cell structure is/are not p/m8)* 1rm v v,beivxkv-ztysea,.f7true?

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 acj: m8uj/79wudit )cpcm,,v l micrograph 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 showr 1k n2:y:q1iudq6ed as 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 ef.sy ypw*s:sh/f g0f/ukaryotic and prokaryotic cells?

  Mesophyll cells are found in k4uxfi uvxa89w2i9 e)3/otlz plants. Plant cells have unique characteristics that distinguish them from any other cwka 9eu2o)tuiz/ 8f394li xvx ell type.

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

  The micrograph shows a tr5yxf,( wwrn) sc-4e21 ckneorxypt-9ansverse 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 DNA e dg30mlqr9dc5c1gjy z 4.2 ieand chromosomes of bacterial cells?

  Cyanobacteria are prfv fj/.q d/nb5okaryotes that can perform photosynthesis. Which structural feature is common to both cyanobacteria and plant celln5 qd/vjbf/ f.s?

  Which statement provides evidence for the endosymbiotic theoryo, na9f+wdch0 ?

  Which part of the cellm d5j 85s fkj--grv ,tfdmfu:a74mb9z is labelled with the letter P?

  What feature of chloroplasts provides evojiegx28o gcs c9)m h 3cofw4h.g2w;)v*qqf5 idence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscope d(z 2k9f4sqidq(b/ wy.

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 ba8d d,gqg(p3 e54 rkvvucterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis,k (q4 rp58udge3vvdg?

  Which process is most likely responsible for the origin of mitochondria as azual k o6(a5l s:exy-c7if;,a eukaryotic cell ,- 7ak5zu;fasyil:e xo(a lc6organelle?

  Which organelle is the site of protein sye6us-7nt3 pdj,hhj t 1nthesis?

The diagram below shows a cyanobacterium, Synechococcus elongate6d)k.; nfd2gf fub f6us.

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 v/ 1fra+tjo,+wli* 3 fwqi k9pcisible in the figure below whose structure provides evidence for /iorkf139iplw +aq+ ,fc*jtw 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 unicellular and mu,a95ama-u. rf c lmke3lticellular organisms are correct?

Below is a diagram of a motor neuron. v tiso:+dova9g.+r+ lk 4gr:a Neurons are the longest cells in the human boddv+i:+ klo+agrs:r g o.94vaty.



1.Explain the factors that limit cell size in humans.

2.Explain how life functions are performed by Paramecium.

  The following electron 3x,ot2:82rsrg.ar s3 u v f p 6redil5e-xd+ukmicrograph shows part of an exocrine pancreas cell. Which of the labelled structures r.d:ariue5+psgr o,86xlv323 2 f s-uedxrk tis responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity andjy:08 wjvb/ da tbqc1- location of genetic material diffe-jq0c1 bwvadt 8:yjb /r 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 mitoopv2y,p oysbns2dm6 4 o/du6l m15 k/ rvg0;llchondria support the endosymbiotic th /6u2rlk1sdls o pny4olm05b;gpd /2,vv6o myeory?

1.Outline the steps in+e x(ciny9 o)c calculating 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 showr- i ak dnjqn u0w0z-,b3xjg3.s 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 qa-7kjvfle1lowd / n7btm1 20 produce and release large amounts of carbohydrates. Which characteri l17/ow1t qn-lf72jda0mve kbstics would you expect to observe in such cells?

The diagram below shows a cel o(pzv*,o0yp fl.

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 mitya-dvi 5or:7fochondria and prokaryotes?

  What is the correct magnifica fjr 1ib*)mr m,jx26kdtion of this image?

  Which characteristic is not true for both mitochondria :dz qr)ego0ke;+4+qi mks se 7and chloroplasts?

  The electron micrograph fzoq yi9jj68: - s2k3hluvbp3h59hyy shows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in t:j3q z3ujky5bpo9 2y- s6i9lhhvy hf8his image?

  The electron micrograph shows0c7: syi sl tydrp1-l :s0clk+ an animal cell.

  The electron micrograph shows a sarcom/y)o z79 mouzrere, the smallest functional unit of striated muscle tissue. Wha rozu )7zy/m9ot is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the m rm375us mp+v4 mpxp/cell membrane?

  Which organism contains DNA in exactly two different organeyny brp9;(o8fl :ns) llles?

1.Outline one way unicellular orge2;fts3 5k o kqb6i9dzl+rq7i anisms can carry out each of nutrition, movement and excretion.9kl2;3 7zteik 5qfs+roib6dq

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 sbvlkt q1 0ke1po1 9a64gq sozn47i2 jatriated muscle from the two cell types shown in the image1l 7gz1q kkovi2a641ab0e9n qs jo4tps?