Which statement about eukaryotic cells is cor8zfscl6 p(xdddvs(;kzvzr:6q ky*23 rect?

  Which are common feah wtxx45)h6-k2d) nv icjz.z zgl7;pktures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in 1t2ks; lis1nsqyz xu6g 2p (j6the image?

  Which statement(s) about the endosymbiotic theory ilq-k u0pdu4i +jpo*f4efj(r8 s 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 h7t2h l 026sg1z ddhgxevolved from the same population of cellsg 6x70s d2hdht1l zgh2?

  These photographs show the same section of a human retina. What is the reason fo;* o7r; k+lftf-h a2hmgps ve0r the diff t*f-hm7rv0lk shf+g e;p2o;aerence between the two diagrams?

  Paramecium produces enzymes tharphj.ly 81fp2t catalyse different chemical reactions taking place in the cytoplasm. What function of l1rp fp8 lj2.yhife is demonstrated in this situation?

  What do the two labelled organelljput-jtnp8 mqi1 (:3yes have in common?

  Which organelle has a dsn:osws-ln0 n2wrj2 ue+.2e( r;vus pouble membrane?

  Which row in the table correctly identifies structures which are prvzd 2mc 9-vt;zesent (✓) or absent (×) in proka9 v ztvc-z2m;dryotic and eukaryotic cells?

  Which structure found in a eukaryote has agbi kod+e v a0)7jns/. 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 abour o,0kvh.mqz++iy8xh5zk v2qa a( yx -t 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 functi w(n5y: ;iebypon of the Golgi apparatus?

  Which statement(s) about cell /7 qm 2w-9.4hctjxkovrhpj 6t;h hs+ pstructure 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 a.sux,3b ez cj+: 4usnmicrograph 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 showsyhogjg )i/. m 9;q/rwc E. coli 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 prokaryotic cx ;,lr nn.pv:n 7q/bqcells?

  Mesophyll cells are found in plants. Plant cells have unique characterist0pytffro.w+m x; b7 y 1s3,p;rdlub) bics that distinguish them from any other;)1bl you xyr ;dbr,sp7bfwpm tf 3.+0 cell type.

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

  The micrograph showswyrc)x;o7m h:owzpe+r ,5 3oe a transverse 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 describes nc+1qog7 (aaz1k) kavthe DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryoyv41qk7h/i+1 koivp wnz1 r*y tes that can perform photosynthesis. Which structural feature z r p 7/voi1iy1k14vnyq*+hkwis common to both cyanobacteria and plant cells?

  Which statement providqe41 r+s zu/nres evidence for the endosymbiotic theory?

  Which part of the cell is labelled with t f8ct/cei4q 7bhe letter P?

  What feature of chloroplasts provides evidence for the endosymbcxtmkjt/4 )q.0j 57ww ,zzx zziotic theory?

  The micrograph shows ahbs:/c/g )f .l+*sssy bca5n bn image of a 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 txr6)zr6oek .f t85u eihe bacterium Vibrio cholerae. Which of the labelled structures maintains the xfzk 6t86eur.5o) iercell’s shape and protects the cell from lysing during osmosis?

  Which process is mos/in, s(39fnp kmbal)d t likely responsible for the origin of mitochondria as a eukaryotic cell or(in lbpms kf/a3 d9,n)ganelle?

  Which organelle is the site of protein syn+yi6slz0p ze8 1uek1o thesis?

The diagram below shows a cyanobacterium, Synq*fv;u; i8ilxbo+wc: echococcus 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 structurea cqykeg;x/et9b r ;mkp39. t9 provides evidence gmkr9;t9c3px a ee.9yt/b; qk 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 2c s1t;vrek.y oou vxpv)hm3o 4- ,-kkand multicellular organisms are correct?

Below is a diagram of a motor neuron.exlnl5e-) -qkr 5)fhx Neurons are the longest cells in the human body.)lx)qkfn5 5r -hxe-le



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. Which/ou8ac;rukbkqe 17;p of the labelled ste;8/ qa o puk71ucbkr;ructures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of genj-s(lwmw 0 u4xms9/ i+3u ztuaetic material diffmts(a0/+u iujs- 9zmux3lw4w er 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 chloroplas2wlfbun k bne8 n tb*gx;-y+umt. 17v1ts and mitochondria support the endosymbiotic the1;.b *ulb+gt7 mf-e1v b2yxn8kn untwory?

1.Outline the steps in calculating the magnification of a micrograprmdt( qd4hppqgyd3( s y251frq 7;eo4h.

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

  The diagram below shows a cd ww1zastk f(+mqs 03l:i 8j-pell.


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 carbohydrates.uk)h8usfxwt+/d; 3s u Which characteristics would you expect to observe in such uw;3/ f k xsu+8)shutdcells?

The diagram below shows a cyxe9rrz c56t+ ell.

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 prokaryo49k0hp cpkkfn ji8 57-vgdd a.tes?

  What is the correct qri5 ; zf4 jkln+ 1mzzrotv **2thp8g7magnification of this image?

  Which characteristic is not true for both mitochondria/pdy dv xcacxv):1- qmc7c)* t and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis 1,guddf:8tp p. What is the actual diud1:pg8tf , dpameter of the cell in this image?

  The electron micrograph shows an aniek p/u 5,fe9numal cell.

  The electron micrograph shows a sarcomere1ekn :,n8spyyrc ) jui1x*9-prvb ychk31x c1, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z linev1u:-k1ns3b ih9prccrxyy*e 1yp 8j),x1 knc s?

  Which organelle is formed by a vesicle derived from the cell membran ihhd )dmbopt0) ,:dw+e?

  Which organism contains DNA in exactly two q g5;+j;bdqlzsqdm2) different organelles?

1.Outline one way unicellular organisms can carry out each of nut vrw,kf 5h2n7grition, movement and excretionnwf 7kvg,2r5h.

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 anqsaus * m3 hwr19ryc-x7w73gtd striated muscle from the two cell typ scwa*rtm7uh71x9 w33r sq-yg es shown in the images?