Which statement about eukaryotic celb6hqntwj j ddc , :4mwhm9:1:ils is correct?

  Which are common features of bacterial cec2w xcq1nzc )wy m97ou; 26gjglls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the im0xj 7 4b+davfvage?

  Which statement(s) about the endos ,9;xwox gp6( gjfdaf5ymbiotic 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 evidenc4bcr8i b ie6cy 50nek21n1aade that all life on Earth evolved from the same population of cib k58161nec dc 0bianayer24ells?

  These photographs show the same section of a human retina. Wh.gmlsegh os4:qu k): *at is the reason for the differenc4o.ehg:uqmglk ) ss *:e between the two diagrams?

  Paramecium produces enzymes that catalyho dw),d. jgavn )0.wese different chemical reactions taking place in the cytoplasm. What function of life is devo) eha,g0ddw..) njwmonstrated in this situation?

  What do the two labelled organeusn;42qe0ne zlles have in common?

  Which organelle has a douphkyrn 7 ,ep+)ble membrane?

  Which row in the table correctly identifies structures whij25b:e2 g mzmisi+jy:( vi 6csch are present (✓) or absent (×) in prokaryotici6b2iev (5 sijzj+::m scym2g and eukaryotic cells?

  Which structure found in a eukaryote has a double memu0(tykrz 5hc61lm 1nj)x /bokbrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statements /yd) y4;bogrkapv0 5cif 4/upzb,4k gare 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 Golgv x9+*v2oi :tqfuu 8uz+vlj q;i apparatus?

  Which statement(s) about cell structure is/are not true? *u hke;)vyn3epoj9u 2

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 ofp1w)e52 ltgk y 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 ci.p3(nj 9 o5qqbja /ofells.


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 eukaryotic135lubhdrt;5xpj c l , and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics t4;3y u htuhpc5hat disti hh;3 ucput45ynguish 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 shows a transe c fhxa9*p2wl20aj h-3mosk1verse 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 thebw4eby z5o(-j DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can performvdcpvsv(48u yo,l: 2v photosynthesis. Which structural feature is common to both cyanobacteripd8olvy(s v2v,4 c:v ua and plant cells?

  Which statement provides evidence for the endokam5:9-7,k bgbfvakix;12ef ovhv5 e symbiotic theory?

  Which part of the ceg s-bbj9r-n 8qll is labelled with the letter P?

  What feature of chloroplastswr (*/ 1bx wem23cohsy provides evidence for the endosymbiotic theory?

  The micrograph shows an i 5ic4bpi fz.so7.0fxqmage of 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 a cell of bd14 l wx +lune*lkj)m1)w jn7the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protec lx7*wb )wjkl j+dm1el)1 4nnuts the cell from lysing during osmosis?

  Which process is most likely responsible for the orig; r8t o,aqxq6din of mitochondria as a eukaryotic cell 6;qa qtord8 ,xorganelle?

  Which organelle is the site of protein synth(ffy/.;jp qkr s) ss1qesis?

The diagram below shows a cyanth8 *z.kx0cmz hvl50j obacterium, 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 vifgz l iqwa/mrack8:d78) ,c* usible in the figure below whose structure provides evidence for the endo/iz7w:mlu8 aca8krg*cq, f )dsymbiotic 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 unicellula ck d0bbh;70wir and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neuro, 1e rwi (h*garsr5kv8xw 0.fvns are the longest cells in the human body.g.0r iv1rwkrvaf(5, w8 eh*s x



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph g ,3 jtc6r0;g8wy: (k ruhjtpkshows part of an exocrine pancreas cell. Which of the 8,tgjkyrtpc;w jr0u(63h g k:labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity;x ot9e7n1fanh fi;(n and location of genetic ;taf91en xnni(; oh 7fmaterial differ 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 mitochondri- :*qg tcj zr1*mrurohxb(i9b/vp /2k a support the endosymbiotic theo1:r*k r/(2ibmz-xog urhvt9p */b qjcry?

1.Outline the steps in calculating the magnification of a microcmvoa/2 1zh1 ograph.

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

  The diagram below sho n6 4qqr,xphw/ws 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 carbohydrateg7uhwh,4 k;yes. Which characteristics w,kh 7w4e u;gyhould you expect to observe in such cells?

The diagram below showsg+ftz)b1 l3hf 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 mitochondria avl4-1ryowdx ;5yq pz+ 0 un;zvnd prokaryotes?

  What is the correct magnification of thi5.fitd*t; agl 3kr3xqs image?

  Which characteristic is not true for both mitochondrieteug hbo53f u09.1cqsjeiw:6d./af a and chloroplasts?

  The electron micrograph shows eeazdv ow(;x8 jdj+29 a prokaryotic cell, Cyclotella litoralis. What is th ja9+wd8(v;e oexzj2de actual diameter of the cell in this image?

  The electron micrograph shows an animal iir 4rzx((, oacell.

  The electron micrograph shows a sarcomere, the smalu )opviqrz13 f,l;l p-*ft /ptlest functional unit of striated muscle tissue. What iot - f1l,v i;lq/t3uppr)f z*ps the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived 4x np6osb(z-ufrom the cell membrane?

  Which organism contains DNA in exactly two different organe.sm+t 3 rp58l3lx pzhglles?

1.Outline one way unicellular organisms can carrywe,cjn z4dj17e)q ib5 out each of nutrition, movement and exz ieqnj c7w je,14d5b)cretion.

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 or l*nm3d s7q wnb/ u6: e:i3td4au6dland striated muscle from the two cell types shown in the u*mosd:bl 66: e/n aq u4n7 33riwtdldimages?