Which statement about eukaryoticrs6imj,8il. 8zd8i i c cells is correct?

  Which are common features of bd 0+/ss hsd+ifpt;( xx 8ansm8acterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is v 2.ij:by9n :c,c4hk+(v jobktwf gt:shown in the image?

  Which statement(s) about the endosymbiotzbkgh e yl q/ )u/k ju-h2.zpxr45i)f:ic 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 population (lk.z .vo cxt:of cc (:ktvx.o l.zells?

  These photographs show the same section of a human retina. What is the r:v69. qj ovuhubsp 7*reason for the difference between the tvsu.j 6bp : 7*hrv9uoqwo diagrams?

  Paramecium produces enzymes th,ch cb,k,f2j vat catalyse different chemical reactions taking place in the cytoplasm. What function of livj2h,k ,fcc, bfe is demonstrated in this situation?

  What do the two labelled organelles have in commogsh;fdj ,dx. rhzd z5 ba*l+ty-s1n+w;e.pe3n?

  Which organelle has a doub*s hxk68eh 9nule membrane?

  Which row in the table correctly identif4ednl pg4 ) v.du5ea;m):h vcaies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic4. d)hga)nuc elv5pmv; e4:a d cells?

  Which structure found in a eukaryote has a doubles:x -hxmcr58;z) )r io4ig4lmeo)h ( aoh, sbl membrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following stat71 kukltpj( l6 cky5l-ements are 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 followingleda mq 38wzi36 vjj2* is not a function of the Golgi apparatus?

  Which statement(s) about cell s0bw9cgtei+y9;w uo/ 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 micrograp:wp1n*tlx7 hc.f 9 dljh 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 cells. ym31lejy-azx +oqyb*dndc4pl :2 -2 r


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 b 6,b;q de6ehaz+qw xvg bo*;+zoth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique ch p0,hi e4q0/anp8uwy tl ;miv7aracteristics that distinguish them from any other cell type.uphitq mw/n0;l84v ye0,ia7 p

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

  The micrograph shows a transverse xr + :0tt)cnj +;j( bpmyumj.wsection 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 cen6u d p7fr(eyqmguwdvnw)61a/*z: 8 llls?

  Cyanobacteria are prokaryotes eh xfd ;i3zy;cm8i :n5that can perform photosynthesis. Which structural feature is common to both cyanobacteria a8xei :izn35cf;dy; mhnd plant cells?

  Which statement provide/i33alee cg2n s evidence for the endosymbiotic theory?

  Which part of the cell is label9-eda( 4lo9r3x llz(sy,r rhu led with the letter P?

  What feature of chloroplasts provides /8/xjbpn6sy zevidence for the endosymbiotic theory?

  The micrograph shows an image of a p) .v .9v;m.mrj q* qrbqspz4tclant 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 ofgt2s.yh4hyu.f vy,x; q;bss * the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the ce.;*yy2 st s.hx,vy;b gqu4fsh ll from lysing during osmosis?

  Which process is most likely responsible for the origin ofzbajj)4+ vr(b mitochondria as a eukaryotic cella4(z)jr +bj vb organelle?

  Which organelle is the site of proteina,m+ shd)2yvxoiv2w* v9(boy synthesis?

The diagram below shows a cyanobacterium, Synechococcuys;1pa a, t2gos 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 strueqflxi8dtn a-an2lohe,r)8 rjcv:1: jr, 1v 6cture provides evidetj8l6ve2 r ), a-ceo1fn: 8 1hairl :q,ndxjrvnce 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 multz1rt b4 zx/yn) *y hb99vryj:my0s,zticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in tv3d0(h q(:7bdtdht e+l zv0ro9q5mhvsrl6m6he human m3v7mh50+zhldedlt:6o qb 6 th0( r9qds(vrv body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows part of an exocrine pancreas cell. Wh 4s l1wvmjwj r +4al.)lxj03vjfo /v.kich of the labelled structures is responsible for the w fv xsv4j.l)14r3lj+.jmjkv/l owa0 production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of gene(ty9f pbpj5g 1tp1 f9yptg(bj5ic 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 mitochondria supam)-d8q 4zzoekrc 9d9port the endosymbiotic theor4 9 acze-q9m8 )okrddzy?

1.Outline the steps in calculatnkz5;n x/j n,qb 4ju2ling 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 w awb;1oaphzq (/+ )vocell.


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 t v9i0)4 hcyxl)kk4hk of carbohydrates. Which characteristics would you expect to ob4vk hlhki 9tky4)cx 0)serve in such cells?

The diagram below shows a cell.v-au: ziuvg b4 2-agl.

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 n4ssyu a6ylr- 4r4;3qxu py)mand prokaryotes?

  What is the correct magnification of this im(h:eh(lf- 3 enwwuax8age?

  Which characteristic is .6gfxo v(-y2mf xyr )wnot true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic c8fia7i /97fzkyqyi yzg-h-,bvh 5v gqw ,5sl8ell, Cyclotella litoralis. What is the actual, 7z9q,abgv8 lif g5 yh fhz/7-5skii8vyy-qw diameter of the cell in this image?

  The electron micrograph shows an animali9 sh/ki v:p*l cell.

  The electron micrograph shows a sarcomere, the smallest functional unitpfo3ryb*)y0+lip 6k k of striated muscle tissue. What pokb6lp+y3 iy rk0*f)is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell m4h+q8s fx/dfbs,p -vmembrane?

  Which organism contains DNA 2q:rw ie3tnxmqnjb92 7 ) 6qkvin exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, mouge*u8l+ nu gh9e tczh-vh42ee 2( il8vemen8gt4 v-ue l9uhl*2cnghe2 i(ze 8euh+t and 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 striaq175zy 69m diwr5vr4gtu- y vtted muscle from the two cell types shown in thyvqm59gt wi7 yr-tzv451 urd6e images?