Which statement about eukaryotic cells is correct?mwjg l k,-gc-)

  Which are common features of bacterial cello-h dsjorbl/2 jwi +2svs :)0qs?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown rah9znlv nq2*p,qj1zf 2)u e. in the image?

  Which statement(s) about the endosymbiotic theo4 )re -upzhm *f d;aqfg5v02pdry 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 from the same8y5 ydwplk,+ pble+, d population of ce,b8d 5 +k+ll epyywdp,lls?

  These photographs show the same section o w.,mtag1ttid 8syk )gu - u,j:60upnqf a human retina. What is the reason for the difference b,ty gwuuatk0,.i:-g6mtsuq1 nd p 8j)etween the two diagrams?

  Paramecium produces enzymes that catalyse differenflu; (aj 9gep)-u tz0c68ok kvt chemical reactions taking place in the cytoplasm. What fun-)v 6zju k90a8;pguk lce(tfo ction of life is demonstrated in this situation?

  What do the two labellz6xhlg t)u :ho: 1lk y.)zxp6ted organelles have in common?

  Which organelle has a.yun)i(bj,xp82c epj double membrane?

  Which row in the table correctly identifies structures whichw7pjp yvj9y+8 are present (✓) or absent (×) in prokaryotic v8p+9p jjywy7and eukaryotic cells?

  Which structure found in a eukaryote has a double memb) znxf:k2b+z m7ha0qyrane?

  
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 strlzj8b*kjt y-- 2 prq*fucture 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 Golgih+z c8-k9+v8xr w hzgyf y/g/ya//fsa apparatus?

  Which statement(s) aboutre m3(*augc+q4ox8 s ec .ei.q cell 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 -8k3blyuvj1 p + *hrexblood.


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. dxn9 h2 n7i96 7dh8(ekyq:rqwtys cw0


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 ad*) y(xmzl8 cmnd prokaryotic cells?

  Mesophyll cells are found in plants pd4tn6 /yr nd94xm ca4x(c9op5rc1er. Plant cells have unique characteristics that distinguish them from any o4ca/(m d5 4d e1xrccrprty on6pn49 x9ther 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 section through a leafow/lqqkj.oweko7 6r gi41, s 0.



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 chromostsrkug;15 f:k 0qb 3snomes of bacterial cells?

  Cyanobacteria are prokaryotes that can performy)xbacr j2e: n;51+t-aq zwt j photosynthesis. Which structural feature is common to both cyanobacteria ayw +2b;j5jnr ce)ax 1:tzt-qand plant cells?

  Which statement provides evidence for the en;k dch ymn1c38w1dh .fariq )/dosymbiotic theory?

  Which part of the cell is labelled8dr+ dxml)l pq c7*45psshs4g with the letter P?

  What feature of chloroplasts provides evidenclf*s z syd1f8ek/9d1 5nn45bz)tqbz ke for the endosymbiotic theory?

  The micrograph shows an i6(1 kyxw psag()a9fobz+q;lmmage 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; y)8mqa 2udzh below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintainsmh qdy8z2)ua; the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the och,n sutewbwtvo ;7x) ;1iz, , (q:ijjrigin of mitochondria as a eukaryotic celo (h ixv , st)wb,tic:zqe;jnu ,wj;17l organelle?

  Which organelle is the site of protp0q er y.vxi c nt3a.njh-0*w*ein synthesis?

The diagram below shoc0x j,g e0wx0d4 aii+ews 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 belpw1erpmy u.x* ndz4tywm(l xh..( 4-kow whose structure provides evidence for the endosymbiotic theornut(-4w.d.( 1 r .xpe yh4pkmmlxwzy*y.
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 aboutxqf.q3 sb:cddgu4 40v unicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are tv id ,dad ;s1hi9tioeu903mu2 he longest cells in the human body;ive9daumd0 iou29,1 3ith ds.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph sho)er q;k3*6jug j82x11j3f yvxdixy p jws part of an exocrine pancreas cell. Which of the labelled structures is responsible for the prod3fk3xjgu 21pdxj* rj ev1iy;xjq6 y8)uction of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location ofa:/y y9(v hwku genetic matyh /vk9:(wyuaerial differ 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 chloroplasts and mitie:/;w5f:aa i(ixwz eochondria support the endosymbiotic theory?zi5/e f w:iaa; :ix(ew

1.Outline the steps in av,s8 u,8cfqn calculating 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 c yxa ftf ovh(2idlm;72 :oi13vell.


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. k9wn07 d:m 1rmovu0 hchj 8+cgWhich characteristics would you expect to observe in such cells wouhvmmn0r+cd:17c g9hk08 j ?

The diagram below sh y+tqp;x8 9mhz6h lsv3*9jfaiows 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 mitochondria anu+oeo f8:m5w2qd bu0md prokaryotes?

  What is the correct magnification of thszbtu7w5 o:g 1is image?

  Which characteristic is not true for both mitochondria and chloroplastz11o je 99v2uh+fgvu,vkrb)as?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What ite dup 6q(6t v;g0h1yv+nkew(s the actuapvtku6(t ;ev1+ hyqew(6n d0gl diameter of the cell in this image?

  The electron micrograph shows an animal cell. 1o-prp1(f dlg +ftiv 6

  The electron micrograph shows a sarcomere, ,(nnwf)g:l iuthe smallest functional unit of striated muscle tissue. What is the actual length between the nwnl)i( ,:u fgtwo Z lines?

  Which organelle is formed by aksw is)/s;t 7g: iubk5 vesicle derived from the cell membrane?

  Which organism contai3+99ebsjtb 6l5 lvv9 wr ll1ibns DNA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutriti- pf23 p0uwro 9hclr7uon, movement and excretion2 73rhluwc-up0 pr f9o.

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 fria1g 8.wdzt;oom the two cell types shown in azdit;.g8w 1othe images?