Which statement about eukaryotic cells isd ml9(1xgd bme(n (4r 0uu:abe correct?

  Which are common features of bactxsx;9 mzdci;,erial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image4jbhnnb9-t yqh /d.l6?

  Which statement(s) about the endosymbiotic theo2ex/ 7vohzwlqq)y25(;n o 3gyu9q l-can jw+lry 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 r6 :7r;v( n:okpqwnz iall life on Earth evolved from the same population of cel;rro :qn( :ivzpk67w nls?

  These photographs show the same section of a huomi1zrox j .15man retina. What is the reason for the zoor11x5i j.m difference between the two diagrams?

  Paramecium produces enzymes that catalyse diffpv 2vtd11fh,6h: aipxerent chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this sit pf :v62hitapv,1dhx1uation?

  What do the two labelled organellew p 0(1jjalmfsjov.*/2l hc0os have in common?

  Which organelle has a double membrawkhr osc(ls 65 p-dhf- a9z:h1ne?

  Which row in the table c4i; z) r7ynmtdorrectly identifies structures which are present (✓) or absent (×) in pr74ym in tr;)zdokaryotic and eukaryotic cells?

  Which structure foundcpt5n 6zhy 7:hli 1qgyy9+il2 in a 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 are true about the structu 6bpkzhb t;xy/,*m3 e74pjc lpre 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 appara:59 z vu gblb./*masjztus?

  Which statement(s) about cejz3 y(p2a bxq5ll 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 of ktoc+8 ;*av vqe(h r)fblood.


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 showsaoe --g dlq-a- 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 eukaryotic and pr +ip1su o7d k) aw1k*tp.z.puaokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique charac8h ln/+k,bo mbteristics that distinguioh n/, 8lbbk+msh 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 showsf4vo(bc)hd v 1.k9 m,1o)ajye li -hzi a transverse 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 describes0o pitx 550o(ga qu0px the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structuragv c9 7aqwk rl8d8kj9/l feature is c wc j/89k7lgvkqa89dr ommon to both cyanobacteria and plant cells?

  Which statement provides evidg (thd: w*aqjj4 1z:fwence for the endosymbiotic theory?

  Which part of the cell is labelled wit sbd7 otfyy *ey1u:*g;h the letter P?

  What feature of chloroplasts provides evidence for the en7 sr zbu*5ncxc b0rb8vu0 b/p(0ztz-g dosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light m:p zan mie69 sid(kr5 gtu:9m9icroscope.

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 ak3yq mora)h xr: .:aj)q e5l2m cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lyslyhar:ar x3eo.qqkmjm ):) 52ing during osmosis?

  Which process is most likely responsible for 96fhce+ qa3b ithe origin of mitochondria as a eukaryotic celq+if ah6 93becl organelle?

  Which organelle is the site of protein syc, jr,4z 9ombinthesis?

The diagram below shows a cya;pm+x(.t yx5lg.ejpe) r2p ry 9muf6ynobacterium, 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 below whose structure provides e(ts znf1,k0ub. ggmz-) qe(hevidence for the endosymbimeq k e)n,( fhg0-btu 1.g(szzotic 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 multoh4s1l- sy5+upjnvk 9 icellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lon*5 dekm ;li 7ylnve4s2gest cells in the humanes;5le24k7 i* nvm yld body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph sho q1eb,ya3 -./ omela5yk rkgekv)(mh1 ws part of an exocrine pancreas cell. Which of the labelled structures is responsible for/)l5 bry e,ehak1om yvqm1gk(a.k e-3 the production of vesicles for exocytosis?

All organisms contain genetic9) nvzsk1z5 fy material. The type, quantity and location of genetic material differ between kingdoms an15fs)vny zzk9 d 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 chloroplasl wcb ;7xu)pa6i 9i+jsts and mitochondria support the endosymbiotic theory?c 7 j bpxl96as)+uii;w

1.Outline the steps in calculating the magnification of a mizt hhn 2p-fo03z f fq54fzlco4u1bi,.crograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows a cellhxb7 +iio 7q9z.


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. W. eivz efa3km4-9.tag8xwr4 kwpceh, a , i,2vhich characteristics would r34,k4avmw. h , 8w29xv.-keiez ef,c gtpaia you expect to observe in such cells?

The diagram below shows a cey 3z g(.muqu*pg /aoga, x4vm,ll.

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 ahs1ecx1 : w6z)vo+ gbxnd prokaryotes?

  What is the correct magnification of this z3e /o bumguc*;p8mj5image?

  Which characteristic is not true for both mitochondria and chloroplrep/z c gm7nu5.k1jb -xj*j *pasts?

  The electron micrograph shows a pro4t5r 3dzex9wc2spt y(-nh t9m82vj ei karyotic cell, Cyclotella litoralis. What is the actual diameter of2x d3cyhri5-j t 2p 4zen8wtve9tm (9s the cell in this image?

  The electron micrograph shows an animal c g ,u/6dzpfy1cell.

  The electron microgra : j6yy:.rjjjok/ dk2ebbo/2xph shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actuarkj.e2bx o: /od/bjkyjj62y : l length between the two Z lines?

  Which organelle is formed by a vesicle den is xn.o,h(6t+1jrcprived from the cell membrane?

  Which organism contains DNA in exf0sp:hv8cn* hactly two different organelles?

1.Outline one way unicellular organg/4 i6bi8y htn;xz/l oisms can carry out each of nutrition, movementb ;oi48tnhixy l/g/6 z and 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 distinguishe0mla4b:z t(nd:z 9f (jdx0nxms fungal hyphae and striated muscle from the two cell types shown:z ndfxt0n j49z:ba m (0d(xml in the images?