Which statement about eukaryotic cells -g( anh7ev,g mc,-wumis correct?

  Which are common features-j:;mjv -wlxs1f ti:3: fpaueq 1i 0em of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is(y;mt2 komh/vn( bd, spv0sa) shown in the image?

  Which statement(s) about the endosymbiot38ohfk *f1 e)m*:x z ic2vo7kbcnj,yvic 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 from9q67qn6z /b8po t 4vho1ylatr the same population of cyro69hv q 6t az 1qpt47nb8ol/ells?

  These photographs show the same section of a human retina. What is osy0x0cqv;1h q wncqx/f9*w 1the reason for the difference bet 01;x/w*s1cy 9nfq hvwc xq0oqween the two diagrams?

  Paramecium produces enzymes that catalyse d7fucmj- 3lgs6g3k u8hifferent chemical reactions taking place in the cytoplasm. What functilf-7ghm3g3 k6 c uujs8on of life is demonstrated in this situation?

  What do the two labelle7yaf gj)lj5 (rd organelles have in common?

  Which organelle has a double membre .d k*,lh(qsqane?

  Which row in the table correctly idex :k9we 27nsoh b81fu-fv6 euh;wcwk;ntifies structures which are present (✓) or absent (×) wk 6evbouf khfh; nx9ce-7u;8w :12swin prokaryotic and eukaryotic cells?

  Which structure foundhpbj; t-q7j1ti3n c w: in a 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 followinghv)e9 -gitwhfa h2b *aa :b5 .z2da3xx statements 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 Golov4,oi o/lfv. mq 5g:dgi apparatus?

  Which statement(s) about ce1s t0rzzi p4-bbvu ;d*ll 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 micrograph of blfee5mb 2g*k 2d(nb0 mmood.


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 E98ug0b8uf;pi (2uru3.ref jxwo s5qy. 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 foun6 hhkf+y*nna)u0fguhy39xthi ;n 61dd in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells haveazy0-5ytlw)if 1;f tz unique characteristics that distinguish them fryt)0 f;l f-zyt1awi5 zom 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 sec :jb9 3frrdl7htion 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 bac kq) y,zl xjlbc(a+5l5terial cells?

  Cyanobacteria are prokaryotes that ck0x plwm.- 9td2/n. mmhy3lbman perform photosynthesis. Which structural fex/khw 9b0n- l .mmlty3 mdmp.2ature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic --eh wv lajv9om 6.wly7m kwnnw/,)s/theory?

  Which part of the cell is labelled with the letter67h3k uz vt9 4f, 8azqxc2meuz P?

  What feature of chloroplasts provides evidence for the endos2 )fkoiw:1j btymbiotic theory?

  The micrograph shows jcql23tqha)l,5mw+sg (r * zgan 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 the bacterium Vibrio choler3 2*bcjx . hq-/ozkjifae. Which of the z q-3coxfkbj2*/h.ijlabelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin ofk au b,a06u dg*hh4pn4 mitochondria as a eukaryotic a6 0nuh,u bgp*h4k4dacell organelle?

  Which organelle is the si-t 49u dy/v,7j kq c0+wbf8yemswa5fdte of protein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatusf:pynxp on3t). tw(6j .

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 figu/.d2 cvf,wrt ere below whose structure provides e,/ft wr c.de2vvidence 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 muy9ok;8 s . 1 vnxqiqi8vt*0,wmrc,moflticellular organisms are correct?

Below is a diagram of a motor neuron. Neuronss92n3d9.yxqzl:c y zl are the longest cells in the human bod9x.q lsy2z:dl3cnz y9y.



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 pav5x./ cqqkt-l6gw)xy7:l5p in sj u9sncreas cell. Which of the labelled structures is responsible for the production of vesiclc5s/ .j)qlt75v6x-w pnu9 il qy xs:gkes for exocytosis?

All organisms contain genetic material. The type, quantity and location of g- z )rvymwq /py9e fs-aj*eh+7enetic material differ between kingdoms anv+ fry-ps 7-)mq yeaz*w9j /hed 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 chl t //agw0,f.jt csj5sqoroplasts and mitochondria support the endosymbiotic tha.,sc/t/0t5sjj qw fgeory?

1.Outline the steps in calculating the magnification of a micrograph.3pf*5 h k a/bsro/1hps

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

  The diagram below shows tstss rj .20s1syn4s- 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 releasez ::ni(vu(i xj large amounts of carbohydrates. Which characteristics would you expect to observe in suchn(:i(x: iuvj z cells?

The diagram below shows a cel7c*xdda )852ho1qq 5i c wkhgsl.

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 prokar0q*v eg 1p3f5o,vb aqxyotes?

  What is the correct magnification of this itzow l 01. n1smp4*+fro5qelvmage?

  Which characteristic is not true for 9iotzmz2jf*cz o3h/0 both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclot3y7yz(jfidl4e ru) q1ella litoralis. What is the actufj3r4zie7 qy)1yd(ul al diameter of the cell in this image?

  The electron micrograph shows a(du8ka re 08qigst l4kzn:*/xn animal cell.

  The electron micrograph shows a sarcomere, the smallest functionobym9b3 0da9gal unit of striated muscle tissue. What is the actual length betweeod0y9gm 3b9abn the two Z lines?

  Which organelle is formed by a vesicle derived from the cell memb)aq rz;d ki;*ol z5ww)rane?

  Which organism contains DNA in exactly t d;tq0o,s auaa(xs) n*wo different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, m -i,o tyeiq*2kr, nqq4uk to1)ovement*4ykoqoq ,-ttni)reui 1q2 ,k 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 hypha (8a gjb/eq 90q, dnyr;evji.ze and striated muscle from the two cell types shown in the iqza;re8 b 90,gdjq(yi.j en/vmages?