Which statement about eukqkbzfgi,i n+h.0,+4mpca ( whrxm ;a 2aryotic cells is correct?

  Which are common features of bac7gvy(,ok*)/ni9f/cudm pt7qgv l, kuterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imag-lybp 4)n as:qe?

  Which statement(s) about the endosy0o mzs1yl gla4; (+rbbm9/hvk mbiotic theory 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 y*uoj0 rp(n.yall life on Earth evolved from the same population of cellsyj* ny.r(o0 up?

  These photographs show the same section of a humanh* kp+anu ,*ux retina. What is the reason for the dif+u upnk,a*hx* ference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemwg jfy5xg+.c6 *qlz1a 5llw-lical reactions taking place in the cytoplasm. What f1l 5xl f6*cjlg.5ag lyqw-zw+unction of life is demonstrated in this situation?

  What do the two labelled orga s/qs9v 8rtd1anelles have in common?

  Which organelle has a double membrane? 68fmso4g7a sn

  Which row in the table correctly identifies8l6wr/7yt7r5vnw39d4rji ta vbu h2 l structures which are present (✓) or absent (×) in prokaryodht27vwuw 948ntjlb5r/r iy 3rlv 7 a6tic and eukaryotic cells?

  Which structure found in a eukaryote has a l kq f/,pfmc6o; l8cay 9+o:xmdouble 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/p 4 y*ztfx,bh 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 appar9fgnx+:df w*axj1 d*yatus?

  Which statement(s) abo,2vgr xh:w qj *fm;/hvut 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 ofo)wk./a wn rpbp9j h i07gi6/h 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 sh.:ayy,3wqm6t .fq p zvows 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 prokaryotic cells2mb 0am(kthr7 ?

  Mesophyll cells are found in plantywdcbtsn/5 8 :xjk)4(utv 5kx s. Plant cells have unique characteristics that distinguish them from any other ce v/t8s( 5y:)x dkkj5bwnutx4 cll 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 thrurl2ji, p0l (rough 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 chrom51 h5vgkwkx0ve 86 zqkx)+s ozosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. ibk b,es r ,m iz,sa/1of 4z/l:x,sb2oWhich structural feature is common to both cyanobacteria and plant,, kobi/s,fmlo4a z:bebr 1i zs,x2 /s cells?

  Which statement provides emhm2 yaejx7ux b(k 4u ;gg)+gw7o uf3(vidence for the endosymbiotic theory?

  Which part of the cell is labelled with the leln9-8:su-vb ahwg+ qatter P?

  What feature of chloroplasts provides evidencehufz4o 47orh3q 81uoc for the endosymbiotic theory?

  The micrograph shows an imzq7 0sn5zq/ z. rt0rxvage 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 below shows a cell of the baccn f+uquobd,h4ek-7 a92q vr9terium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis7c4 v-bar9uqof9k ,2d+h enu q?

  Which process is most likely responsible for the origin of mitochondria as p +.tvp:gb su qmg)yn;l.: 7 lgqv)mn5a eukaryotic cell pbg )qtmg:vyvn+gunqm;.l l.p 7)s:5 organelle?

  Which organelle is the site of protein synthe q6+lsfl)iilqo: 3k (wsis?

The diagram below shows a cyanobacterium, Synechococcus eloy7h/6n7x zia(ypxj +jngatus.

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 x7j6gcoaf/.:vsp8:wzxnv q;structure provides evidence for the en ;nzj cspaxw gov8: q6v:7fx/.dosymbiotic 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 mult6c53psuha7dxt:fky, p z4c7licellular organisms are correct?

Below is a diagram of a mo(zzo ti /;03vow39: br)mdx yf:hud lktor neuron. Neurons are the longest cells in the human body.dzyor3bilvhw 3 :x:kf/ tdmu;9o )(0z



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 exocrine pancreas ce0pvi7fk;/;k yvs8wov ll. Which of the labelled structures is responsible for the production of vesicles for exocyti py7v8vkv; ;0fowks /osis?

All organisms contain genetic mater8k 94j.ygpz1prit 1hzial. The type, quantity and location of genetic makigjrz 9t 1y4hp.p1z 8terial 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 5b ng*ef-t;2f;t r7( eiujchg and mitochondria support the endosymbiotic theory? ;-eh;u rf5e t2t*cjf(7n iggb

1.Outline the steps in calculating the magnification of a m67i 0- giiggruicrograph.

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

  The diagram below showsps8uqu4 ;r cd- a 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 produce arv2l bi/xp4 s;nd release large amounts of carbohydrates. Which characteristics would you expect to observe i/;l2r 4iv bsxpn such cells?

The diagram below shows a cell. 7tmnwz 3-w w0hcr+0rz a- * a5nemqnw.

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 ap 1v zu,1(lgz7idql8 xnd prokaryotes?

  What is the correct magnificationc.9g:c -t:r6 q -lojhxkr 5zwl svr8u0 of this image?

  Which characteristic is not true for both mitochondria and chloroplr x/kh1yed, g qr5+dg;asts?

  The electron micrograph sh3vp.( lu(lto 5m0,m xz i(lkfcows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this imag(mil ox t30v z(lfmcluk ,.p5(e?

  The electron micrograph shows an animal0;n j/o)l ft.qdxgbz99py 2br cell.

  The electron micrograph shows a sa bp 3zj/33jr-(o;wltq1f ty ijrcomere, the smallest functional unit of stria3t j3r( jpoywjbit; 1-lz/fq3ted muscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell membran7rm-4(kh 868swi. yzh ge w4q0hbzfale?

  Which organism contains DNA in exactly two di7oud2xq*na i jb8:y dpayn 2v,0+bfw)fferent organelles?

1.Outline one way unicellular organisms can carry out e8 dur 3o(sx0lebfhkao0/kc)w6 fo ;bl(ki3 1 xach of nutrition, movement oko x6d30bebr1fw8scfu 3hi(/ 0lk) (oaxk l;and excretion.

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 distinguvd4jk;qqp) h+ishes fungal hyphae and striated muscle from the two cell types qk;hp4+v)j qd shown in the images?