Which statement about eukaryotic cells is ch*9 kdsfe3x aprn :0*gorrect?

  Which are common features of bacterial cells?mjmdr0 ) n8e *a77znsa
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imagee3.eky)m8 pnzl dx2-b ?

  Which statement(s) about the endosymbiotic theory is true? yh 9b 4 uf+v9*gm4kbrl :rx9kr
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 evolved from the same popun qy g 5yh.f)u:iu+a4zlation of cells?f.u)gz yiha:n uy4q5 +

  These photographs show the same section of ac8 5jwzr;zi1x1dl.s x human retina. What is the reason for the difference between the two diswj5x 8;1 l.xczir zd1agrams?

  Paramecium produces enzymes thi y) iv(,im/tyx9x-sw at catalyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in this situatioi xi(xiysvtm-y/w9, ) n?

  What do the two labelled organelles )ygu9 /,suwc ghave in common?

  Which organelle has a double membragu/ l tpn0m4y+ne?

  Which row in the table corres i:s/0 hqulj7dl1e/m ctly identifies structures which are present (✓) or absent (×) in prokaryotic a1 lemu/7ihdl :0/sqsj nd eukaryotic cells?

  Which structure found in ax: eqngq0srnus 7 - :fa2p+dy0 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 are6lju .cglv f y)i*yjf kv-o,-) 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 xsz bdx3;4q2i+nb 5ex 5dinq d-q 0c.rph31cwis not a function of the Golgi apparatus?

  Which statement(s) about cell structure is/are not true-dyrh5 /id/upxtqf) / ?

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 mic.kz1ah ) o,xgerograph 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. cooc4woi+zv9gx3 lw.u 0li 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 p o 8-j+a epvdwg.51ixdrokaryotic cells?

  Mesophyll cells are foundp veawe d1n/18 in plants. Plant cells have unique characteristics that distinguish them from any other cell type 1enw8d/ ea1vp.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a transverse se4b2.thxa q2+ *vn1ak yud1 d ejcvzi45ction 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 bacterial cells?jlb)a 3 nh+n6r

  Cyanobacteria are prokaryoteeb *5k( az1ik5;f7l yid p(tcfs that can perform photosynthesis. Which structural feature is cl;z pe 5if5d(ktc7 b(y1ka*fi ommon to both cyanobacteria and plant cells?

  Which statement provides evidenc4mi)cgd2-rn;jm8 w+ dp oue5ce for the endosymbiotic theory?

  Which part of the cell is labelled yn r4yfy e.b4)with the letter P?

  What feature of chloroay7x yjeupad ysm)0f wf: *e55nx 6ew)8)vjx+plasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of yc ,9*im tbaab5de),ia 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 Vibrizrx4 u;txxyntv)-(1la: wxa0y8 6 qyoo cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmy a w-x:(xyo8v4n1)z;uyq0tarxt l 6 xosis?

  Which process is most likely responsiy +q a3-w1gcy.;l, ji 6e itbyu.vi6kpble for the origin of mitochondria as a eukaryotic cell a u-teyl b,6c3v ji+;i .yiyw1 q.gp6korganelle?

  Which organelle is tn 5j b/q,q)v 9hwo kt05a,aivwhe site of protein synthesis?

The diagram below shj7le4b,oi ( q2/gyjzw ows a cyanobacterium, 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 organhozorr(86 50xi x: ohmelle visible in the figure below whose structure provides ev5x 0 o8(zm:ixh6rhooridence 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 and multicellular organisms are)o hdy dcq./(sq ,zu2 +dct1se correct?

Below is a diagram of a rha9h+1rdxq ) motor neuron. Neurons are the longest cells in the human body.1 xa+q9rrhh)d



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

2.Explain how life functions are performed by Paramecium.

  The following electron microgra c9j , mnkcbozlp1o;0+hn/cb0ph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the pc;,1ob nl90 c+pc0/hmnkb zjoroduction of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of g5i)l 70 a:muntxd zic8enetd)zxt u0 l8i:im5n7ca ic material 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 mito8c:v +l odb62 4jotimochondria support the endosymbiotic thd8vtcio:2o m ljob+46eory?

1.Outline the steps in calculating the magnification of a micrograph.u chsq5-m;8olg jvr4 :

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

  The diagram below shows a cf/1wf q4uprrzp.:1 cqell.


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 prodw n, r) ;.q3pfhrep *rmjxo8o1uce and release large amounts of carbohydrates. Which characteristics would y enx1oqrp)m j;.w rrp* f3h8,oou expect to observe in such cells?

The diagram below shows a c5k6q/hwrs 8/1grhr1ur j u0qfell.

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 applie(h6x d4jps5neygqh)s) y yt /+s to both mitochondria and prokaryotes?

  What is the correct magnification of this ixh4 ieb:o8.9z yfyb)lctctl5 z z61j)mage?

  Which characteristic is nod nh (g9lu*3ajt true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella l3nqr uo(1 qif/itoralis. What is the a rquio3/(1fqn ctual diameter of the cell in this image?

  The electron micrograpci pt2 -s2zb3lud 6(hg)pwd9ih shows an animal cell.

  The electron micrograph shows a sarcomere, the smallestgmf kl-z x3d1zha -9d: functional unit of striated muscle tissue. What is the actual lengmhd x:kg- 9zla3 1-fzdth between the two Z lines?

  Which organelle is formed by a zlcgs9s,u m7 9vesicle derived from the cell membrane?

  Which organism contains DNA in exq fcs.hzb0v;9actly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, movemp0: fcm+ *dhx)q joxl ph*s5c/ent andhhdm5x )c:c/jq*p0ofx* s lp+ 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 striated muscle from the two cell tp)cf-rjpyfk8q5a8a7 ypes shown in thef)f75yprj-8 qakapc8 images?