Which statement about eukaryotic cells is c42.w2a+eax jd; piik1c .zclq orrect?

  Which are common featu tgj t 7+(e-h(tpca ql,ux8l3cres of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in thez2*r g2nr 74*kf pmwwu image?

  Which statement(s) about the endosymbiotic theory is truek u7y-:;/yfgxhlra: 9g. w*s -xoyq pl?
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 ,y nd((aohv)l from the same population oy,(a v (ld)honf cells?

  These photographs showe:x 1o9(xe*gdl t8r6c ttt u*ley-xp- the same section of a human retina. What is the reason for the difference bet1o9xlet -r6*t*tclxteue :(g-d8px yween the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions( xc1 2hydy7ob taking place in the cytoplasm. What function of life is demonstrated in this hxd1bc7o y2y(situation?

  What do the two labelled organelles0n*l4 k +k* bcp o)tuf9lfn3ximf v;v: have in common?

  Which organelle has a double membranzeiqp i.b+riw1/i .9 ee?

  Which row in the table correctly identifies structures which aree;y 6/bl5 c1fn nkscmbvki*,7 present (✓) or absent (×) in pros17nec 6*yv; blb/ i5nmkc ,fkkaryotic and eukaryotic cells?

  Which structure found in a eukaryote tl6*te 6 ye3clhas 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 followingpltbo 3pqp0jg 2c)-b0 uxn9 /x 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 Gol.9d r(z;adq3qgrqn* agi apparatus?

  Which statement(s) about cell structure is/are not trfnttx)u;w/v j2 05mvc3 .gvfe9 x*t bjue?

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 mic(o.q zgc/7 zd odjf 8b-w1zea6rograph 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 show4hq*w ma(i7y v8 t/blws 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 prokaryo/l-li d w,hl0 nkskxs.ga9 *x2tic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteribsi., 7*,:i v )yiy/meyy j):m kcrrbistics that distinguish ys:7r:myb,c rbyk m)/iv)j,iiey. i*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 tr .aqp9*y(qr5 o.u z4s8 avwjedansverse 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 descrx on;vkx h18-hw( ri kz)3p(rwibes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structur6kz,6f w8 ,+xigucykw al feature is commonzy8k u,kw6 iwxc f,g6+ to both cyanobacteria and plant cells?

  Which statement provides evidence for the en83q -t q:w vex4)qoxy,xa+ffq dosymbiotic theory?

  Which part of the ce0cpt. bozteny 6t l(o(3wr.r1ll is labelled with the letter P?

  What feature of chloroplasts provid ,;lq*eowjm y.b ozv5.es evidence for the endosymbiotic theory?

  The micrograph shows an image of ojb ;j .,auge,.g7jkka 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 Vibrioq4xu9sa3;per i/ 9 lfm cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmo;eq/i 9xar 94ulm3sfpsis?

  Which process is most likely responsible for the origin of mitochondria as a eu yw losj.na fs*/ jq51q1rt,j5karysw5q.jj * 1/ lsr5toa1qjfn,y otic cell organelle?

  Which organelle is the site of protein:v3o yifwu x;+ synthesis?

The diagram below shows a cyanobacterium, Synechococcus 8oxuivo *oo2(pen6 y6d3a -gm 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 structure s9fa : a.zwg., cjmv:xprovides evidence for the endam:g j..fcwsz9v,xa: osymbiotic 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 mv1yq8d l5 -jszulticellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells incld/u/(vuj ef5*hv7i59 7z7 4gm 8hvilq qwiy the human bo4 e5hcvuyi75 9 l/id7 vm v* hu8f7igzjlq/qw(dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micr zx.pn up:0f1nograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of v1:nu. zn0fp xpesicles for exocytosis?

All organisms contain genetic material. The cmei) w u8sp2-type, quantity and location of genetic material differ b)u2 e8psiwm-cetween 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 support9*hiq t qlw-a6 the endosymbiotic theory?9tql*6q wh -ia

1.Outline the steps in cal o9okfj/k3 1alze98esculating 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 /phnvw zs m:3so 2;;jicell.


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 lk;d5f+u9reqbf xy:t05 t)dmlarge amounts of carbohydrates. Whic;l:mqtrf k de9b5 +5fu)td x0yh characteristics would you expect to observe in such cells?

The diagram below shows a cellhs3z( xxzpdji8y ;ri u7 ;5q*z.

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 mitz h+j6cmpmn(46o/vz rochondria and prokaryotes?

  What is the correct magnification of th,qvtg-m kr t dh1*sc2 ,p1iq;wis image?

  Which characteristic is 6an)guac w;:dss4ug 42 0yqto not true for both mitochondria and chloroplasts?

  The electron microgram7 7izv/ubhor94 3oqftjdv 8(ph shows a prokaryotic cell, Cyclotella litoralis. What is the actual diamet h m o( fjt73ruo4897vidqvz/ber of the cell in this image?

  The electron micrograp( :y3bh(y:ql ;0cf5qlhwfa p(rg i*plh shows an animal cell.

  The electron microgr8w qtwz /8t5fkaph shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual length between the two Z lint8f /8 kwtq5wzes?

  Which organelle is formed by a vesicle derived ll*xn-dt58sdvg jm6: from the cell membrane?

  Which organism contains DNA in exa4c: 9stued3 d+tb z*bi+aco4rctly two different organelles?

1.Outline one way unicellular hxqzjli2-x98 qs/sm8 organisms can carry out each of nutrition, movement and excretion. 9 jzslix/8qxq-s2m8h

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 a qb7;klc09z/ 1tq v amq 9bpqp;.;mrimnd striated muscle from the two cell typespa p.z;iqmk/ rc vb q7qml10mt9b;q; 9 shown in the images?