Which statement about eukaryotic cells is correctfm )kc76dnllbzo*nm1 je6m-6 ?

  Which are common featurs-ejm 0.e-j6;sx jafoes of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is w3 .jr f7;cfg +2nohyishown in the image?

  Which statement(s) about 2q*pv2fb rb ;hr1lynp. 7c , pqe1hrc.the 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 that all life on Earth evolved from the same pop a7 axvo)u -*uih c5juvbv4;(qulation of cjuv-(i4* x 57av);o hvbaq cuuells?

  These photographs show the same section of a hk+dmx /3 bhrmmo9a 57suman retina. What is the reason for the difference bo/md5+k m37hxr9asmbetween the two diagrams?

  Paramecium produces enzymes that catalyse different chemiva 431ex:n9wc,pxd +wbfm d9d cal reactions taking place in the cytoplasm. What function of life is demonstrated in this situation?13de,d fwn m pdav +9wxcb9:4x

  What do the two labelled organeu-y r tar; cm;q*/-wvklles have in common?

  Which organelle has a double mem;wgn8a .tlbs /brane?

  Which row in the table correctly ses dple;4x e f8*+l0/9hq- hmsz2 riuidentifies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cepdx*se -hl ri+4uq0e he2ss8f9m;z/l lls?

  Which structure found in a eukaryote has a n g48muz ,t9ozdouble 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 areps5dh)q p*y9c 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 Golgi app5oata+ r9qge* j4 lls7yy)n)waratus?

  Which statement(s) aboutrt-(t;5lfose)wtjy0z11uu c cell 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 microk fm mfb;d8qym;u/(vsk .h(q5graph 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 cef.4b+zgk f5 ph.;-+z oiekviwlls.


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 bo90p c cd3 pb5,pm4uiu /o59hxdjeb c1sth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plantsyvzat0 ,lnb , z3t3+ke. Plant cells have unique characteristics that ,n t30zz+ly e3kbtv a,distinguish 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 transverse section through a leaf.+zcfifgqyt 0 14s/hln9byy1 1



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 ; vy7h uth8xp3wefm-3bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Wh lb)h-23c +c*pas-j hmhrjhm(ich structural feature is common to bothr-amlh bc)(hcs3 -+*jhhjpm2 cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theox*c ctgf574x bry?

  Which part of the cell is-i)jirj)r4 ya labelled with the letter P?

  What feature of chloropl4gth 9ti vpcu2eqn2-oqb8 ,(dasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plai e4t *y.3-fipqyen1qnt 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 cho 1 3/otcdv .zct;lpwc6lerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosi v o. dp16c;/zccl3twts?

  Which process is most likely kr8o3nk ( rb1jqc ,md+responsible for the origin of mitochondria as a eukaryotic cell organe(+qkb r8 1ck dr,m3jnolle?

  Which organelle is the 0.hzm ( . ;wqwb( elswcl ;zg)k1y3ldgsite of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus e5 m u7o6mockc:longatus.

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 z9v 9:anesqm,ab sto vp2+mds:4 elfx.d* p+, whose structure provides evidence for the endosymbiofd.:pvm ozas :9ndasmbt94vx,els*p2e+,+qtic 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 multiubdg:,oex j y(1qa9113y iw yqx+5d nxcellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in 7go hnre( 9mi xag9 r))urk)a4 v62sxcthe human(r)gxo 9irumg c762vn9 a))he4rxas k body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph u ku5r,dj8e-t shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vere dk,85utj u-sicles for exocytosis?

All organisms contain genetic materizs v8rx99e chs b8z7i:al. The type, quantity and location of genetic7scsi8evxhrb 98 : 9zz 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 about3 +,yp1qrguotbvy2 q/yj8 z 1b chloroplasts and mitochondria support the endosymbiotic t1yb,oz p2qy 3+gj vy tu8b/r1qheory?

1.Outline the steps in calculating the magnification of a micrograph. tl+e:t zb,wcxscmbwx vx5q o1e1t;)f921n 0g

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.yidp43/ v i3r(hpk68xsa6vdk


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 celqahf lkdes4u o)/y ;o )qkw3+,ls produce and release large amounts of carbohydrates. Which characteristics would you expect 4hql+qy ;keu)dw/fa)o,3 oksto observe in such cells?

The diagram below shows a ce;l9weua x( +xwll.

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 /,l ,xv/g,ph. m vaagyprokaryotes?

  What is the correct magnification of this ime0cny-hm*iv 5lj95 maage?

  Which characteristic is not true for both miior l;0lkhm4nyw9m92 tochondria and chloroplasts?

  The electron micrographufl ji3acm *2* shows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this image?3ujm2ia*lc*f

  The electron micrograph shows an animal ca en(gh(kq-/iell.

  The electron micrograph shows a sarcome35/sottj+2 c b8yw e usw,olq.re, the smallest functional unit of striated muscle tissue. Whabw sq, wuocste/+32oytl 5j.8t is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived4wcm a+7 yj8qg from the cell membrane?

  Which organism contains DNA in exactly two di,gdhk -r1fup1 p4lv 4sfferent organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, oq . (g).c a4wko2qloxmovement and excretion.o.x ok.ago2c l)qw( 4q

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 striat3fl.,rt waq0pdd(o u.ed muscle from the two cell types shown in the images?fa. d(q03 uwp,lrt. od