Which statement about eukaryotic cxa-.c75ol-7.pnio 2 trrmw(woa im8yells is correct?

  Which are common features o :zncc+4ny6d uoh q 8)l-zad.df bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shov*hiw5 nsd. i06 ena;chdxflg,9 -qf9wn in the image?

  Which statement(s) about the endosymbiotic theory is r9gtuhqdfn/v978y c-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 thb:yci/grh 4yfah23 (h at all life on Earth evolved from the same population of cell:chhir/(3fbgy ya2h 4s?

  These photographs show the same ; .,6y rlmearxsection of a human retina. What is the reason for the differen ly x;6me.,rarce between the two diagrams?

  Paramecium produces enzymes that catalyse different chr.uk c 8/.dsn1wkaba 6emical reactions taking place in the cytoplasm. What functi18b/d auk6wnk .srca.on of life is demonstrated in this situation?

  What do the two labelled organelles ha znx6fhpflf5i4r+ ,6y ve in common?

  Which organelle has a double mem;rkni v.,xpq 9brane?

  Which row in the table correctly identi (kz g(x)bf*. 6v8zkarolp+bwfies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cell a *zz6b(wp8f+o ( .vlxg)bkrks?

  Which structure found in a eukaryot4myupq 04j-w p.-yd jqe 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 tsw(ut 2p5ky2whe 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 thez6ls6xz g2ma)- 8rsaa. 9kurpw.9 kwg Golgi apparatus?

  Which statement(s) about 4 mj6a kbm1 hhxdj)uvtvxmu 3*(v:t4 5cell 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 blohg w h 2xv/9,eblxb,1hod.


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 showso+ gxqdy4zkc 4x: wsc)/kv(-v 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 eu 6blyvmc. 1ru4karyotic and prokaryotic cells?

  Mesophyll cells are found in pla,uoh qptog5 v8 woxm9:)00tuhnts. Plant cells have unique characteristics that distinguish them from any t5mq0vhth uu9op o w8g :)x,0oother 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 transverse section tlbkz(fh c 6)b2nvs6uyihy 6),hrough 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 then4j5u,ru7 twq DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokary5meerw39x,ri 2j a0x(pi 1sncotes that can perform photosynthesis. Which structural feature is common to both cyanobarerx1 3ce 9pai n2s(m5wx j0i,cteria and plant cells?

  Which statement provides e9t svwz bfm p.m,6klrx5s(/ 5qvidence for the endosymbiotic theory?

  Which part of the cell is labelled withi v7;hir/ 5rou the letter P?

  What feature of chloropyl /:5xmgpewaz o5.; llasts provides evidence for the endosymbiotic theory?

  The micrograph shows an imagelz:g 47kwv8rl 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 the bacterium Vibrio cholerub+.-fza (cpr1v4v oiae. Which of the labelled structures maintains cfa4- .+po(1vizb vru the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochoada2 t r0ijsd; 4l,b5fndria as a eukaryoalja5s ;t r0, 4id2bdftic cell organelle?

  Which organelle is the site of proteinuws:(7hw. v+ij nowrooj+7o lq: m 0aw7+tel9 synthesis?

The diagram below shows a cyanobaco6:mm:0 d gmqyterium, 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 the1qwb ::eelt) ehph)n7 figure below whose structure provides evidence for the e hb:epqwt: )eeh)7l1nndosymbiotic 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 organisms aqi. lem+b5pe n8d t,9gw gy1u/d 2,upgre correct?

Below is a diagram of a motor neuron.s5v r5lv.+xrn zpp jzvm)7vl 78 fbs03 Neurons are the longest cells in the human body.xz pss zjvrn 7rl)bv50+3v5m lfp 78v.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows ,an03ivp or8 ipart of an exocrine pancreas cell. Which of the labelled structu viaip3on,0r8res is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quaam 0j9xhng .34uh uy1xntity and location of genetic material differ between kingdogj431nmha 9x uh0x.yums 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 endosymbiott19,9 zfzl(vdxn 9i4ogyqdg/ic theoryzgldn yt i 9,v(q/9 4dgxozf91?

1.Outline the steps in calculatingndw/9q w.uhxdp7eji 3 t3c8/u 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 show/j;rrva 5;9 xlcrwd-ys 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 carbohydd4gx i1gb f-d1o86a4i 5zkxjir/ his9rates. Which characteristics would you expect to observe d di8g azhxbji i946x5o- g/i11ks f4rin such cells?

The diagram below shows adw405d4pe fkl 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 mitoch; 5zrxa8tan8x6-v/e3koygj ehg5z3bondria and prokaryotes?

  What is the correct magnificqqj ;, cp+ur*k++ms suation of this image?

  Which characteristic is not true for bothi4 6gojx*.i pe mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralispkx8 e5n/m2 skb7 x6wf. What is the aes2 x5kp/ 7nmf x68wkbctual diameter of the cell in this image?

  The electron micrograph shows an animal ceueta32;8wz/x z e1pmvll.

  The electron micrograph shows a sarcs8z, mkhkj r (;uep22o4ee/j-tyco7homere, the smallest functional unit of striated muscl2,se7 (2zme/o4kc;j-ke h yur 8otpjhe tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell me,fqis: ypcf ci7*pi6-mbrane?

  Which organism contains DNA in b+ vte3*rk*tvun3eupo ,50teexactly two different organelles?

1.Outline one way unicellular o5 ap3 fb-;5 jjb8*tt:izah tm 7k-ctufrganisms can carry out each of nutrition, movement a;j u5:jtt-5-3hc7aft8 fib*pbt k zmand 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 z,6c(d6h a xmcfungal hyphae and striated muscle from the two cell typ,6c6 xa(dcmhz es shown in the images?