Which statement about eu(e dcbx sh4y05karyotic cells is correct?

  Which are common features 964 -rynqn ik 0wjcqppdr2d9.of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shov29n+orh : dae+/gd g3avl3fawn in the image?

  Which statement(s) about l k+6q 5zvl9rs6vbk:xthe 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 Eart2 c b-7 ;wel-tnh/frrb+e-irfh evolved from the same population or w-n te- lh;i+7/-bfcefbr2rf cells?

  These photographs show the same section of a human retina. W :s.sk (xgrto /g326pcna -xlthat is the reason for the differenc2k- t3( x rsncxggt6s:. ploa/e between the two diagrams?

  Paramecium produces enzymes t hr 72wfkua(+yhat catalyse different chemical reactions taking place in the cytoplasm. What function ofhyu72(+ fawkr life is demonstrated in this situation?

  What do the two labelleh1r;p0:siv 7mymir:x d organelles have in common?

  Which organelle has a doub1-t aqg:x1pbdle membrane?

  Which row in the table correctly identifies structy 6,tfxh 5o: wf,e1dpcures which are present (✓) or ab,x y,co:d5fp1th6wfesent (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a doubg;qdoujz .03zle membrane?

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

  Which of the following statementu7:qy zziei5 s c1hzgy.:*cnb68rs -ds 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 following is not a function of the Golgi apparcec/k ( kzhk/.ib4i3 batus?

  Which statement(s) about cell st dg5lmes./.uqeg abqx4 :k,jo9p,y *yructure 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 aprka r v8zaz1 6;ja.vkjc o7p4x ,u/b. micrograph 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 show8ow6 q 4z :-eo,dwcoqds 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 prokary: k0ra2yw2dw jdkg:afl qbu z4(3r2t 00 qek-dotic cells?

  Mesophyll cells are found in .g m3uhvttg; t4+mzg5 plants. Plant cells have unique characteristics that distinguish them from any other cell t5; gm.+ mvzggttthu43ype.

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 k;5 kvc:uvcpln:q fn() liaq7n.8; dhleaf.



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 cellsh+a+fsu08qo8t2 +6b qz: m2ivfbmu dh?

  Cyanobacteria are prokaryotes that can xqb4.weqsqnx;4 5rp .perform photosynthesis. Which structural feature is common to both cyanobacteria and plar4wq5.qxnbsx4p q;. ent cells?

  Which statement provides evidence for the endosymbi.f vut0 xtc red1)2wto6 cdv09otic theory?

  Which part of the cell is labelled wi pg he xqg*f8),8z/iumxvh/;jth the letter P?

  What feature of chloroplast(9grag tpvm74u :xnf0u,5 sovyq6l7 ss provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light micr2sx(5eh ,ukvr oscope.

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 microgr5h yynsf1 m*:caph below shows a cell of the bacterium Vibrio cholerae. Which of the labell5syf*y: 1nhc med structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for th;b 0il rl+hn/ze origin of mitochondria as a eukaryotic cell organeb 0z;nir +hll/lle?

  Which organelle is the site ofcvpkh59(64 k-4y pekkb:n g vm protein synthesis?

The diagram below sho8c/*t /iwvs* bekwls5 l:cu,jws 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 organelle visible in the figure belowrrzy3mn9dqr0 6w) t3q7qj sk; whose structure provides evidence for the endosymbiotic theory.rd;9s 3zq)km36q ny wr7 0trjq
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 correctk70a.s1p pd36imsf zb?

Below is a diagram of a motor neuron. Neurons are i)1 rmg2)b6hc gxzk l0the longest cells in the human body.gkl mzb h0)2r16)x cgi



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

2.Explain how life functions are performed by Paramecium.

  The following electron micro::w- phayi ivv/ up ):6bcc:mtgraph shows part of an exocrine pancreas cell. Which of the labelled structures is resc :/v umyi)-p6t b:vwah: p:icponsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and lt ay;sl:4zg ab9n:v,/9: btn+ ih msguocation of genetic material differ betwenublsg9y:ai,/94v:s;t a h t:m nbgz+en 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 suppor rapla95*3 o 4*iflhtlt the endosymbiotic theor f3* a4*o59atil prllhy?

1.Outline the steps in calculating the magnification of a micrograph.85/tj5vgebs59 (jlc0 q5mv dlxwbj2r

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

  The diagram below shows lkyr)p+zh/r/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 release large amounts of cm-8 ub:gkxrg53b9exg( iy6w b arbohydrates. Which ch -i m9b6xbw 8k35e( yb:gguxgraracteristics would you expect to observe in such cells?

The diagram below shows a3e4zi cc-ghs3 cell.

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 mic ;7lvku k7snh.gz1rq-6 (b g md+nor 9akn8.rtochondria and prokaryotes?

  What is the correct magnificationuf0cm;5 xp) na of this image?

  Which characteristic is not true for both mitochondria and chloroplas+ svb10aia(3zk qko5vts?

  The electron micrograph shows a prokaryodk e*,3sg g.c2g8htf/ohjb (qtic cell, Cyclotella litoralis. What is the actual diameter j3 (.hftg e28 ghb,gkqs/cod*of the cell in this image?

  The electron micrograph ss 6wjoh x/20jnhows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of strr ;cnq6 r5 wb;oik+f)ciated muscle tissue. What is the act;ocn bwqr 5 k+6;)crfiual length between the two Z lines?

  Which organelle is formed by a vesicle derived from em0vis6/ss v 7nw56m:e wvom4rr-y9sthe cell membrane?

  Which organism contains DNA in exactly two different organejla*8sm a .*pqlles?

1.Outline one way unicellular organismkc t3.i(vhb0 atb;k0 is can carry out each of nutrition, movement and excretion.k(0h k.vitbc b3tai; 0

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 ther1 e*;rbu w-hzs:+xt s two cell types shown in the im sszhr:*x ew-ur+1tb;ages?