Which statement about eukaryqskc ;m) 5ewm6otic cells is correct?

  Which are common features of bacter;b7esnm(u yz *bsn, g8ial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown ing hc5:zk/0: h9v lythtkqye -) the image?

  Which statement(s) about ao u9o5*xjsk0the endosymbiotic 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 thbzze15fjpu/,il83, 6 puipv yat all life on Earth evolved from the same population of cellsufpu,b v3, ipzz /i1py65jl8e?

  These photographs show the same section of a human retina. What is th6zs.3qro9h uq(n;8ts r 6gn x ,b1kudxe reason for 6tx 1;zqs 39qu r.dg 6(kou nrs,h8nxbthe difference between the two diagrams?

  Paramecium produces enzymes that catalyse different 6r.3sejo-y u2i nqj:6bvte 9l chemical reactions taking place in the cytoplasm. What function of life is demonn9 2u:j qt.-o3vy6bi jlr6esestrated in this situation?

  What do the two labelled organelles have in)zk 3he */rib(i: z kq 1pb-nenhx;b(j common?

  Which organelle has aiq0m podu7kh 2o 2*f/c double membrane?

  Which row in the table correctly identifies structures which are presq1u(ij r7e z-aent (✓) or absent (×) in prokaryotic anjqr- 7zu ai1(ed eukaryotic cells?

  Which structure found in a eukaryote s3uhm-ek35pu c mrm 3+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 structure ofd-e (bq)qvzy 7 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 s2-fk (eosjt 14q)hzsthe Golgi apparatus?

  Which statement(s) about cell structure ue *ov w,jjn;mdb:25+snk(c eis/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 me- pd4k:n+ zseicrograph 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 cellsylqvdaoqxltx41v. 4h*g1 8o(.


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 in3,bkv 4tl 6rhvj;k853wtyrnj both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique charact; beeabd ): ynb .+bp,xkt5he1eristics that distinguish them from any o1p:a.+be,b5 eby;xnk dhbt )ether 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 transvwv g: ryt/on2.rb0ti3erse 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 dc b(aq ;9x jtzn9,erk)escribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynr n6ww* ng2l*tf3pd6zthesis. Which structural feature is common to both cyanobacteria and plant cell3 w npgfrl2zt6wn**6d s?

  Which statement provides evidence for the endosymbiotic t1o++0o yz, fzsvo22kyt4y xofheory?

  Which part of the cell is labelled with the letqgu,bn4 8 /tr 1a+slqkter P?

  What feature of chloroplasts provides evidence for the endosymbiotic theor m(c (orm5xud(w2ncucx 2 bd*8y?

  The micrograph shows an image of a plant cell taken with a lip djc2(zpi ly)5u;p;x0yvl a:ght 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 choleraeooh/f u,0,pnzaixc *))l ;vpt . Which of the labelled structures maintains the cell’s shape and protects the cell o nua*,)/phi),zx0of; t c vlpfrom lysing during osmosis?

  Which process is most likely responsiblev4dfs allhfo 7+)m;mo4w, 6kv for the origin of mitochondria as a eukaryotic cell orga) mo,vasmfh46 ;kv+l4owfdl 7nelle?

  Which organelle is the site of protein sfy 5lhyz4roj ob+nio 6272;asynthesis?

The diagram below shows a cyanobacteriumww/j404pz2v6 g9razgzfxsi- un+l +n , 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 provide / qlaub1s:jkn-p(0f gs evidence bf(ks -nugpl1: 0qaj /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 lcoic :6xa -1l go,uk7and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons ark +,.pr v4siake the longest cells in the human bodyp k,i k+4s.rav.



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

2.Explain how life functions are performed by Paramecium.

  The following electron mpch ik* 9py tw4a4feq /pef g:y:2m7/sicrograph shows part of an exocrine pancreas cell. Which of tpaq e*g/h9/4 kfyetp: cf:7s 24 pmyiwhe labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of gz8i+bz4a.wz1pr6 j4 s h c.euyenetic material differ between kingdoz4i hryw .u+jzsc8416ze.pab ms 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 suf1f;n+c.b4tm irugz , pport the endosymbiotic theoz i,1m. fnruc fg4;tb+ry?

1.Outline the steps in calculating the magnification of a micgc qam 2 3ec6y4bykpf j28ng95rograph.

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

  The diagram below shi-w 0/* pxsnaeows 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 ren 0/qu1y)nw wnlease large amounts of carbohydrates. Which characteristics would you expect to observe )uy1n/nw q 0nwin such cells?

The diagram below shows a celuw6x3k9zw j-5yenl( ql.

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 and prokaryavg2 cm2,c n /6gjcn d4k1su.qotes?

  What is the correct magbgmvt 5* cjad 1q2bu6;nification of this image?

  Which characteristic is not trizlwy79h .j ((,rmdmjue for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What ic-0p ,7kd1 a yk(sfziks the actual diametersyfk , (k0-p7icazkd1 of the cell in this image?

  The electron micrograph shows ay +t0.rcxxdl: n animal cell.

  The electron micrograph shows a sarcomerpnx uaw90-cpm:yuv 5uv6)h 9 ie, the smallest functional unit of striated muscle tissue. What is t6h -p)ui xn095u vay:mpcwv 9uhe actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cei zn*whl rv930u689zu 3i llkmll membrane?

  Which organism conta;kf3 t1/(p l*asg t66yu2 nqzew7d6foy ole6hins DNA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, molljh fv9jagwylt6)i /:(r;3xvement x)yl6higw;a ljflt:(v/ j r93and 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 fungal hyphae and striavey n- .q. tvhqmk+6,fted muscle from the two cell types shown in the images-the.vy q n6+ vq,kmf.?