Which statement about eukaryotic cells is correct?3v.*mxt*5q*x dxz *x m-hrrus

  Which are common features of bacter/c+ )jmelgjuff 3.js* ial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image? -r8j xtq z0.sm8gsl9p

  Which statement(s) about the endosymbiotic theory is true?xvm5d8y,t 9lw
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 evidenci p6dhb,v8r 19iq1or ve that all life on Earth evolved from the same population of cellb ,i8dr16vrqvho1 ip9s?

  These photographs show the same section of a human retina. What iss0 s ej+xhs6v8 the reason for the diffej8 xsshs0e6+vrence between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactioiw7h,i1v0a4;nxx f ux*qpa p ph.r,p7 ns taking place in the cytopx, h, niq pp wax7v;*7ipur1h 0a4.fxplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in common? g cz .ix+o9cbo57d9dg

  Which organelle has a double membrane?txsmw ; 41zt1c

  Which row in the table correctly identifie0xl, kk/fq p0+ p)uccq:hvc;js structures which are present (✓) or absent (×) in prokaryotic and eukh+ cc0,q:p)/x k vkpqcul;f j0aryotic cells?

  Which structure found in 9ih3zth67 jp )ijnb:uh )+gyla 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 following statements are true about the structure of cellsvcktosl 7 1syj/x,7w5 ?
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 Golg-zc1abt /gonhd:8 c5 ci apparatus?

  Which statement(s) about cell struct/xw en ts*nvdo)b3a69xj-fhf 0 ,dq.u ure 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 microg3 jcp .7t gdmvz.f)l q wh2,y;ach5fe;raph 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.0cd7 +zn :lfrd


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 eukaryot px;teu7 yeq d+64o-)d47 dhlppl6uhxic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique charactee:c7 e;hc; cxlristics that distinguish them from any other cel :x cc7e;chle;l type.

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

  The micrograph shows a7yaaj 4al2g( q 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 the DNA and (6 mz4o 37qlhj lfhbu,chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which cwyvw(ph/vxr b5t2 69q*(+lhakil8 qstructural f2rhlktlvh(9b856p(qw+ cxywv/* iq a eature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic the.( l-bc,am uhp(5qts 2e0r gmlory?

  Which part of the cell is labelled with the letteriy sb03g5t ** ufkn2r:n.atu w P?

  What feature of chloroplasts provides evidence for the*zkoiwi) :0h+anw/ +7hedp tm endosymbiotic theory?

  The micrograph shows an image of a plant cell taken*w1(8n:m wfl6b 2-auwgsys0.lbs ny t 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 micrographx exv.*(bba)h below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protect*b )xx.vahb (es the cell from lysing during osmosis?

  Which process is most li/s g*,yfd*3c el0esxskely responsible for the origin of mitochondria as a eukaryotic cell o30 *cy fs,x dl/sesg*erganelle?

  Which organelle is the site of prote797pakhcjj 6h in synthesis?

The diagram below shows a cyanoy yrqq.8u7md*bacterium, 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 thelb64n j vs)5zk pjc85a/3lxi8k pl tu( figure below whose structure provides evidence for5z s blt4lp3vi/8nj(kx )p5kj6ac8 lu 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 mnu/ p 7ix;w zme5jn+n1ulticellular organisms are correct?

Below is a diagram of a motor neur *a8 l3;sqshkeon. Neurons are the longest cells in the human bohse ;l38ksqa* dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph show* a*i jcvoh8 zmmh/bin-(8yc+s part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for exocytosis? yac-8nvii+hm j8( *c b*o/zmh

All organisms contain genetip0ox4 ys2 v h3a7;pdjuc material. The type, quantity and location of genetic material differ between; p7yp2 3xo4ajv0hu ds 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 mitogw k y1kbn+6mfj:ef-- chondria support the endosymbiotic theoryj-efbk+ gk nm1wf y-:6?

1.Outline the steps in calculating the magnification of a microgr4 rnm5kyyo4g7l+b) gm aph.

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

  The diagram below shows a cell.jqv z. cxct3r86g b8e.


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 celn;xytqt: 6a-k c+m3hkls produce and release large amounts of carbohydrates. Which characteris x :mna3 ch;-tkkqt6+ytics would you expect to observe in such cells?

The diagram below shkoydd i8yl52k*9rrd 1ows a 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 mitochp-ik6 j2rxv r0ondria and prokaryotes?

  What is the correct mael gcm+l2gmx1vsm1 (8 gnification of this image?

  Which characteristicjo*s(pwxn2 :mnwoith z62t*-g+ g0rc is not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralisqe oh:q30xfn6z.w7w5w+ h5r5jxoy z u. What is the actual di5uhhyq37ww 6ro:e qf0j .x5 x+w5oznzameter of the cell in this image?

  The electron micrograp9xl::om z.9n muf3z j9 chu.pdh shows an animal cell.

  The electron micrograph shows a sarcomere, the smallest functional unit odq tuy/,vjy- 7f striated muscle tissue. What is the actual length between ty-dy tqvu/7 ,jhe two Z lines?

  Which organelle is formed by a vesicle derived -4ivf ljh t-m)from the cell membrane?

  Which organism containk:d7x .3m.yvgfaj3g p s DNA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutriti, (s:hgjpdrd; on, movement and excretion ;(,dj g:sphrd.

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 tp8af .d)kt g2p a;m xyh)f:pj9he two cell types shofdjhkppmfp. 82)tg y;a :x9a)wn in the images?