Which statement about eukaryotijz*+)d p, be(u d4dsnsc cells is correct?

  Which are common features of 0ts1oiqz6wt;bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in theye8gwo 0gyvj 06nt64 oq4h+o x image?

  Which statement(s) about the endosym a+g19fsaa.z oj +m5x t9i(ignbiotic 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 all life on Earth e++x sl:cd/n .ve lt. 0atum.umvolved from the same population ofmanmx0 +l:/.s+tv u.c. l duet cells?

  These photographs show thj ey6a5wz .hphvz67nm tj56,ye same section of a human retina. What is the reason for tjpy z7y6 n,6et .hj5hz6w5amvhe difference between the two diagrams?

  Paramecium produces enzymes that catalyse differentl )jobasw,hd6. ,1um l1k: adj chemical reactions taking place in the cytoplasm. What function of life is demonstr j bus,).mhl1dj: o,dwa6k1a lated in this situation?

  What do the two labelled v01qs--hcgnj organelles have in common?

  Which organelle has a double p)1hxnqlbd.* 4zqk +1ls g+q bmembrane?

  Which row in the table correctly booezc b)s pcvn5px )(6josxn**gam6 3/b,5p identifies structures which are present (✓) or absent (×) in pro 3vo ,6(abncepx5cmpsg5/ b*jxn )b )o6s*opzkaryotic and eukaryotic cells?

  Which structure found in auebj)l9ir++upob -, d 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 abot tc68:8rarp6lxt 5:hz8 ls ksut 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 ofxfcqr 3 c vhr9kv7m*z*6+e 3ul the Golgi apparatus?

  Which statement(s) about cell structure is/are ntgc: de 4v:fm90z.ou z +uh2fvot 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 a07:hh7vhgukp+ ii1vm 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 shows E. coli cell:6eck bpgb* (m:)cscrs.


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 jgs)cq8o3e0c karyotic and prokaryotic cells?

  Mesophyll cells are foua 6qa+:ou 5joynd in plants. Plant cells have unique characteristics that distinguish taq6j5o:ouy +ahem 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 transverse sec9+ravn0 m2usyayq 7a: tion 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 bacteriaz-kolj(,t,-xwwom l9 l cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structur8r4c k-k2jf art0zhx5al feature is common 52tj04k8r ck- zxf arhto both cyanobacteria and plant cells?

  Which statement provides evidence for the e) k;+yjyn fio ;ntrl3*it: 31/thvjwjndosymbiotic theory?

  Which part of the cell is la*t j6ad9/xo2n5 yoic4 p6mobabelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic9/mia rn*i7aabdilt5t7b .3g theory?

  The micrograph shows an image of a plant cell taken with a light microsjqu i5adcl9 9,cope.

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 awivvksa-0f /1a ap1(hp7 t cx: cell of the bacterium Vibrio cholerae. Which of the labelled stfw(sx7a1k- 1p/tv cv a:ihpa 0ructures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitoch2ubza73lx wg cilz09.: 3p04 jgpnqhl ondria as a eukaryotic cell orgapziwn9h x73 lz0 alugcp3g lb2qj.4:0nelle?

  Which organelle is the site of protein synthesi5+ /7s ooqvhj rr4kvl6t r1m.ts?

The diagram below shows a cyanobacterium, Synechococ*)na1suz 3tbh(m j ;jg qhtt-2cus 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 organd+: nm kfd08:ey +crgxelle visible in the figure below whose structure provides evidence for the e0:: nycxfkr++ 8ged dmndosymbiotic 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/cmakmy4b 9e 9 multicellular organisms are correct?

Below is a diagram of a motor neuron. Neuronyzl s3;1 j5.zze r4iahs are the longest cells in the human;hz zj5rly i 4a3.1zes body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron ny( tycl3iea- w0b6wt/z 0u p.micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is respona-0etuztpcw3y b(/6i w l.n0 ysible for the production of vesicles for exocytosis?

All organisms contain genet,ii;q; ept2 jjee2bw7ic material. The type, quantity and location of genetic material diffe ije7ib2te ,pw2q je;;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 chl9f-/py1ltfahscd20hv 4 w7n(q+n psforoplasts and mitochondria support the endosymbiotic theotp-fff9 n p/+qwnsy4 h csh7d 2vl10a(ry?

1.Outline the steps in calculating0nb 0ps3l 9thx 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. 6x;. nsruz+ u73ba0vxfev; in


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 carbohydrk k nc,kpa5,fk7l 2sm-- li;tiates. Which characteristics would you expect to observe in -if7nm;ik,tlk ka5,s 2 pck-l such cells?

The diagram below shows n/; tdl js, 7koh(zmn+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 p a5z1wy w12i ot;zya+both mitochondria and prokaryotes?

  What is the correct magnification of thi;q +4k:jrr.r .ck w*j;ywhccd s image?

  Which characteristic is not true for both mitochondria aaws n 1bax3aeh 4i53r7nd chloroplasts?

  The electron micrograph shows a prokaryotic celt qbftu 72*w(htd*ce 7l, Cyclotella litoralis. What is the actual diamet*t77qht*db u(c fw2teer of the cell in this image?

  The electron micrograph shows an animal cell.mmv2t/bs6q ie,6tbv(v lbq 7 0

  The electron micrograph shows a sarq13yrbmmpokt7ta p w) k 8p5//comere, the smallest functional unit of striated muscle tissue. What)m/5 ktp 7ma opt8qy/31prbwk is the actual length between the two Z lines?

  Which organelle is formed by a u;( mbq *fa fu4 uz8s/cinb8-svesicle derived from the cell membrane?

  Which organism contains DNA in exactly twoqdr( s3w0mrwv19x4 y3jd xd; 5krvft 9 different organelles?

1.Outline one way unicellular organisms can carry out each of nutrijy-afr-acaa ;/h,x z*tion, movement and excra ,z* j;-yfaracx ah/-etion.

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 distingui 3cxy7j)fqry2)rkm( cv+g6t f shes fungal hyphae and striated muscle from the two cell types shown in th)rt(fqfgk6x7v ) ccmr j+ 23yye images?