Which statement about eukaryotic cells is c8z14rhhj.oc:ymrv o*z;+iakerj .kp0 - l(nxorrect?

  Which are common features of bacteri1-9zhd4xl0 ben .zyrmal cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shi0uq15j841fly e cjbbown in the image?

  Which statement(s) about the endosymbiotic theorlc rdauw9 +n57y 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 lifkm2jvlouta 0k57g. bi-hyh p4hj04s0e on Earth evolved from the same population of ck4gus5 y.- 2h4b7ij0ma lv0pohjth 0kells?

  These photographs show the same abt q e wxk0nv9kzi+8:yw/-f-vim2h -section of a human retina. What is the reason for the difference between the two diagb/-w9-x-kkaqvmie8:y2+ tiz w 0 n hvframs?

  Paramecium produces enzymes that catalyse different chemical reactions taking z8agx*zb1tcfeg/88rplace in the cytoa8 /ebz81xzc8g gt r*fplasm. What function of life is demonstrated in this situation?

  What do the two labelled or*6td y 8n5 ppb.d;i )yt0stnkrganelles have in common?

  Which organelle has a double membran2ld2l6p i rs-l,2cxqbppm k:(e7ar3 ye?

  Which row in the table correctly identifies staz;valbt2nmn+e5 34k()bxfbjfp*o 6 ructures which are present (✓) or absent (×) in prokalbnfm*zf6;tjbn 42+ a5k b)(3o pvex aryotic and eukaryotic cells?

  Which structure found in a: r: cq di -,:s62uxgbegh2aaf 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 arermla 3b/ 2unr, bs8o9x 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 app j qfe(lln3nj8ni*94oaratus?

  Which statement(s) about cell structure is/are h /ix363bz7,kahd epn 4sv:ou 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 bno, /(rafqewduce7gd t3:+c gw /u)1plood.


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 shlriornmgq ;b+ a0;:yv(5 ) upwows 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 is kpix ,u))6rln both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plantsa+nzq 6 fat yekr7-djhgo:630. Plant cells have unique characteristics that dist 6nkoaj- r qh+dfa367et g0:zyinguish 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 transverse section throughjjhbfr;0(r pm 01)+krxne er6 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 descv z+ hr(gz bxs/ a.mpup5;o:,yy0tz0 hribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prok bc8ri yri87.laryotes that can perform photosynthesis. Which structural feature is common8.7ibiy 8r lcr to both cyanobacteria and plant cells?

  Which statement provide m.n-zr t9ft:u. xjon/s evidence for the endosymbiotic theory?

  Which part of the cell is labelled lz up2)krjc(nk8 k ukeyt 1 vrn0+f/+2with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic theoryhusl(id4n 09 u o3 .)pc84fmv5akhs zn?

  The micrograph shows an image of a plant cell taken witm*yi)py i, iv7h 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 cholerae. Whij /0 pcn7)jeg:o+/3wrps v uk:,xrki fch of the labelled structures maintai rfjjp7 :erciu0on/:3)skk +g , xpwv/ns the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most lik*/hyy,t a, m5tpmz4qbely responsible for the origin of mitochondria as a eukary,/h*mqpz 5myay,bt 4totic cell organelle?

  Which organelle is the site of protei* q.wi9z 5lajams-/c sn synthesis?

The diagram below shows a (g*5s:;z xhj2jqx rexcyanobacterium, 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 visw+-hm . ptw7cm3x fb;iible in the figure below whose structure provides evidence for the e7w+pmb .c ;-ihx3t mwfndosymbiotic 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 multicellular organisms areih: lm,m3f )i cqw/-bx correct?

Below is a diagram of a mot.wk*cyyrvej d(0k t3 d9o- byy7y8d a-or neuron. Neurons are the longest cells in the human body. 3c(bk--ey to7k d*.yj0wddyyv9 8r ya



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph1erpnr ,rhyvg4c/r)5qi0q7u w 2yio , shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles for exocytrue4)iryrr,q/ g1oi7cy,nh0pw5q2vosis?

All organisms contain genetic material. The type, quan ,2xzs st50ot +u2e-.eugpkwxtity and location of genetic material differ between kingdoms and s+2s0 5,w2p uts ekx eoxt.zu-gpecies.

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 mitochonxq8w4k4v1 (ntrsr +ny4 8 tkpkdria support the endosymbiotic tn8rpy w8skq k tn v(+r44tk1x4heory?

1.Outline the steps inmkub1b a: 7p7o 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 4nq t e1glrqm/d xnt 2:-;ztdj1s (qs*3m.r qma 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 prodqpu1(yd1:r dmjo,r 0auce and release large amounts of carbohydrates. Which characteristics would you expect to observe indyqu, 11(r 0mrp :odaj such cells?

The diagram below shows ;nc ocx: 7fr0ua 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 z2i90ga.h mpl w -wla+to both mitochondria and prokaryotes?

  What is the correct magnificaqehxlir8 h9jxv10b4stqlev gfp37f o+/ 48f 3tion of this image?

  Which characteristic is not true for both mitochondria and chloroplast8+)ek- z x7dym1 gchxis?

  The electron micrograph shows a prokaryotic cell, Cyclotellayhnd)( *nc4-f5g wbl. 9dtxhp litoralis. What is the actual diameter of the cell in this imd5 hf(.tbl ynw9 *gdphn-)4 xcage?

  The electron micrograph shows an animalj a+t7qteq gn6d/6i )a cell.

  The electron micrograph shows a sarcomere, the sm 58zwxe p:npi5allest functional unit of striated muscle tissue. What is the actual length between the two Z l 5en :wxi8zpp5ines?

  Which organelle is formed by a vesicsskx r/l2(ye2x6ott mc ;*1j;s*s2li 4r badple derived from the cell membrane?

  Which organism contains DNA in exactly two different organeq 0gji ueows,88++*2rqkdliclles?

1.Outline one way unicellular organxf/we a)05tqpisms can carry out each of nutrition, movement and excraq05xwp )f/teetion.

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 fu/ --0dyhwzpzcngal hyphae and striated muscle from the two cell types shown in the zc0h/yd- w pz-images?