Which statement about eukaryotic cells is corre kg xsgd-: c5tgbw3ohy.e(b7:ct?

  Which are common featu7 klp(v .o+ dbfjmo8ta :jwh:7)7tdqures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imaaiwhid)ya0 3r3 */it;w pck9wge?

  Which statement(s) about the endosymbiotic theo- q4wp rl4:2dknra5wruu w8i((df .c vry 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 ev1e tiz xuu8uj)t g(*)colved from the same population of cells )x8(etz1 j*igcu)uu t?

  These photographs show 5foqle0t64 *on1r jq1/ soc ljthe same section of a human retina. What is the reason for thfl/6o q5o jsc4qo*0tj1r lne 1e difference between the two diagrams?

  Paramecium produces enzymes that k /q/-r3+kb:gry ypqrcatalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated qpy/g/y3-bqr krr + k:in this situation?

  What do the two labelled )m5gx2 8u+cq41cx0 fmwie ng torganelles have in common?

  Which organelle has a dou*5ub:axd1j 1g ydhkz0/t1 ; stn.z kkhble membrane?

  Which row in the table correctly identifies structures which are presehfn kwtll 6zb3/ 59(lcnt (✓) or absent (×) in prokaryotl9k hzb/f l 6tl3(5ncwic and eukaryotic cells?

  Which structure found in a eukaryote h(-mzn8 45f q- ab +f:obkyjcbeas 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 a 0f/e9gk .nug lbi4sf*re 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 Golgi ap:fcs8kid d)upqv y)b si.w)qq),5.j hparatus?

  Which statement(s) about cel1flitoo )4fi)2 2w sdil 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 micm ho99nga0wd4p9l u1 prograph 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. coli c5iy6 ij2*lggtells.


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 prokaryotic6mt5x)iv eg si1)7h tx cells?

  Mesophyll cells are found in plants. Plant cells have unique charactedk 9u7g6c 1q.*kxzu lnav+h /nristics that distinguish them from any other cell type. x/luh17g9 .qnc va6 dk*nk uz+

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

  The micrograph shows a transver9p ,r3(czd1vp,xvm1z ad y (iwse 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 and chromosomes of bac/4f)emw 5)fa1jhqrioterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which6zw. uic*8;tyjw wei5gj ,pb: structural feature is common to boiwi zgcw*:y ,;86j5ju p.tw beth cyanobacteria and plant cells?

  Which statement providese *uj;7jnsl -ixg k3kw0p9dd n pt*:5n evidence for the endosymbiotic theory?

  Which part of the cell is labelled with tji5*cbf++3d sj i7kc er0+tas he letter P?

  What feature of chloroplasts provides+.+6w ul zw tns81zddc evidence for the endosymbiotic theory?

  The micrograph shows an image o0dt.z )1hhoq3ohc.:sdua+zi f a plant cell 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 w uh4s7mf8cq.a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cel.hw 4u8fc7qsml’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of 7iu ribcm27k5 g)-iawmitochondria as a eukaryotic cel2kir -u mcw)a 77igi5bl organelle?

  Which organelle is the site of protein synthesis?et 67up-odrb7

The diagram below shows a cyanobactex excu/)0qdk. rium, 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 belj+i)z84vxz jib,y,c qow whose structure provides evid yxiv) ,4cij,zbj+8 qzence 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 unicellular and multicellular or0x :ls;b-z t4b )gq1e klz/xqoganisms are correct?

Below is a diagram opt4hj+eas ea4bw ).f: f a motor neuron. Neurons are the longest cells in the human :) f4w ap+e4tbasj.he body.



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 cel:-rz j z41sb:mwn vqyq,ylb)bd ma1/ .l. Which of the labelled structures is rm,qz )b yj:.b : yrl1v4wbn-ms1qdza/esponsible for the production of vesicles for exocytosis?

All organisms contain genetic ( ftx aj -d5-; - obu43nuqqgtcg80ndwmaterial. The type, quantity and location of genetic material dix ;3bo-du4c-t(85- fngwd qtnu0aqjg ffer 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 endo ;nf:t ms/:h2yc55 qoaye- mntsymbiotic theon qy:5y 5e /;tmm-t:co2 hnfasry?

1.Outline the steps in7rati++fzkm1 w)it 0q 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 shows a cell.sd2;)k kp,vfduam :+z+rjo8 x


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 lar(xvsm 81 d:bzfdcdp:3a 8gj2 age amounts of carbohydrates. Whijad s1b3mdv:xpzd2fg( 8c8:ach characteristics would you expect to observe in such cells?

The diagram below shows a cell.w(0)ok ck;n7 nn7;xcmxwy o7)i0ddl a

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 boe8laeir ,sm89th mitochondria and prokaryotes?

  What is the correct magnification xiu753la s es(of this image?

  Which characteristic is not t9ze.ba.io )i5 lh)fqurue for both mitochondria and chloroplasts?

  The electron micrograph show lo3+ 2h/slfsz*l vb(js a prokaryotic cell, Cyclotella litoralis. What is the act*zl +jfhbsols l(v/3 2ual diameter of the cell in this image?

  The electron micrograph showscecdd;oma6-j8p(q1 n4z *svhd4 ye6k hwa78l an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of soquc/5e2 if uz(9 lx,ttriated muscle tissue. What is the actual length be f2 (o /,xezu9ilcu5tqtween the two Z lines?

  Which organelle is formed by a vesicle derived from th n,rz,e7 p5bjqe cell membrane?

  Which organism contains DNA in exactly two different organe(4 d q84qrbiuq b.o/mylles?

1.Outline one way unicellular organisms can carry out each of nutridv/j vs8* q;ahtion, movement and excs8qavjv dh /;*retion.

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 striw0,/8r uy h; ujdyta1sated muscle from the two cell types shown in t/ r,suuja y h0dt;w81yhe images?