Which statement about eovy +zatj75 n9n55yvqukaryotic cells is correct?

  Which are common features of bacteria,hyw 99yg)a 4t ;dhlbel cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image(g f sr+ddl*e0wc6u4l?

  Which statement(s) about the endosymbiotic theory j5br5a .t;l;s0enesi j xn3,wis 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 fro+9 3yaih(i/vj0 62gabtyatmn m the same population of cell 3t 9/i b2vaa(yn 6gtamjhi+y0s?

  These photographs show the same section of a human rety /s8m+scbdx9gt 62c wina. What is the reason for the difference 26 98+xctsc gsd/bwy mbetween the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions tjm/; g/e1x+ aix 8v:yf-vsdns aking place in the cytoplasm.v+/ eas- s/nd8v fmx1j:iy g;x What function of life is demonstrated in this situation?

  What do the two labelled org qb0e+k38 yfgw/b fc)39c fhncanelles have in common?

  Which organelle has xx:x6s,me 9 nma double membrane?

  Which row in the table correctly identifies structures which are p0 hr3vfxxo o25resent (✓) or absent (×) in prokaryotic and euka x5 o20vfhx3orryotic cells?

  Which structure found in a eukaryote has a doug r4p**gisr ;zble 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 of4o7 z5oz e,; shmm9 mwzf;kp2m 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 o-2oi-p+p j 0asg r.n1n( sxdzwf the Golgi apparatus?

  Which statement(s) about cell structure is/arep1c /m8jf-6j mqmfbhz5t j (4l 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 bloobems fn7t7 zz 7mu2mz4k7p ;l:d.


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 t/q g wa4-j4y+ ibduxf *(*kbhcells.


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 prokaryotici0; nazk0thdp:o2(2//zsca-lpvwyg cells?

  Mesophyll cells are found in plants. ffx7(yzg,.quvxxw333l w4 g zPlant cells have unique characteristics that distinguislz .3, xugf 3 xw4y(vzqfx37gwh 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 through a leaf. ek1 .o/mrr(f6 l49vlm vfghy d;/6lao



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 descrigu0ys1l p (pqm01f(aubes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes jw)png2/yxi )that can perform photosynthesis. Which structural featjwi/x)yp g2n )ure is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theortn)z,ex5j .ezy?

  Which part of the cell is labeorh1,5: ) e.x- lf6)nehdr0t/xy sr*feceuuv lled with the letter P?

  What feature of chloroplasts provides evidence for thewdm80;a :tkz - nd 2t4u2rezff endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a ligh thj avahe2auf4s5+/. 1y,ivl t 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 c))vks rf6ylr0 holerae. Which of the labelled structures maintains the cell’s shape and protects the cell from r) ky6) 0lvrsflysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as age*t6iqft1 (0 c3 jpbxvm5;rh eukaryotic cet06e(b 1 xrhp3 mjtvci;*qfg5ll organelle?

  Which organelle is the site of protein synt no0isd(2w)hxm 6b2vd nbx 0v*:u -bknhesis?

The diagram below shows a cyanobacterium, Synechococcus evp3)ox/-,/)fpg 8a zaxll* ywuv 5neslongatus.

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 thytw- (36 p*cyo f0g5ndd .pkyf)(mfbt e figure below whose structure provides evid0)g6ytbf 5* ptdy.f3 ympw( -nfco(kdence 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 multicellular organism0(hsyd7:w c2 wcb.ofy s are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the humankvmr*s 4 pyy-7eq;4ohy q 4s;rvhyk-omep47* body.



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 exocr2,ca+d8isxdl 8 f y1yfine pancreas cell. Which of the labelled structures is responsible yx8,18c2f d+ saldiy ffor the production of vesicles for exocytosis?

All organisms contain genet).zxkb5 xpn(iic material. The type, quantity and location of genetic material differ between kingdoms andx xn5pz)i.b(k 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 ck yq.1xrojbtpl.s+4dd9 z :t 9hloroplasts and mitochondria support the endosymbiotic theory?s p.ot.19dqd lyrkj9:b xtz+4

1.Outline the steps in calculating bpphcf. 2p +4oap zvb /dgc(19the 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 cell.d;s;qgb v+gy1oa)2* jjgs8gh


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 kktsc zj/: lsl.am)2; carbohydrates. Which characteri:kst km.a2j;c/) lzlsstics would you expect to observe in such cells?

The diagram below shh175d;bvh ulqr3zz c ;ows 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 mitochou14 dl:k yxo32uf- kxfndria and prokaryotes?

  What is the correct magnification of this impkx(;8cw grdi87 :c obage?

  Which characteristic is not tb-pg7a1b pygpay* 9v47;pmv crue for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella le0z8 *7l xr3bfpxee* sitoralis. What is the r ezp xfsbe*8l 30ex7*actual diameter of the cell in this image?

  The electron micrograph shows an animac cwk7 vqar wb/5;,9skl cell.

  The electron micrograph shows a sarcomere, the smallest uz2u)t 7fiao8a* xcl: 6nge 9rfunctional unit of striated muscle tissue. What is the actual length between tu*a uze6)g:2a8x7 nlrt ic9ofhe two Z lines?

  Which organelle is formed by a vesicle derived from 6gi 2vtxfu6k8 the cell membrane?

  Which organism contains DNA in exactly two different organellw,+vw /i )ot:i+ infixkye80jes?

1.Outline one way unicellular organisms can carrby8fz b 4mqbjt t(1,c7y out each of nutrition, movement and excretiom87qbyf t1b tb4j,z( cn.

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 sgf5 mp0q.h lohf5 /v.jl u))iztriated muscle from the two cell types shown inp5fu.h loqv5g /hfz ).mjl0 i) the images?