Which statement about eukaryoticoo7 9fu48 kk7(o qxlqa cells is correct?

  Which are common features of bacter* ztg jq:l+notl o. 8b+oact3*ial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imageaw9 p(z6, ,4n7a:tm;if( crur1 , tggwc xyydq?

  Which statement(s) about the endosymbioticg/ n65nb4u3q)cq j es2,jt gzi 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 all life on Earth evolved from w+be+y)vd )k uthe same population oe+))+vdb k ywuf cells?

  These photographs show the same section of a human retina. What c0m h2x90vaws is the reason for the differ2 macx w0v09hsence between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reacf.u ummi- pn7,1rii ;htions taking place in the cytm.,1; im up7rfiu-n ihoplasm. What function of life is demonstrated in this situation?

  What do the two labelled org:1 nfyfprt vit7;/b4oanelles have in common?

  Which organelle has a do wb46vku7w x.(q:cri4bz-flu uble membrane?

  Which row in the table correaf/kyevis *ejh i03sj f:00f/zyxi 14ctly identifies structures which are present (✓) or absent (×) in proka4 se va*00z/ys: fif0ij31je xkhfiy/ ryotic and eukaryotic cells?

  Which structure found inn6 d7 b k5g;b ws4dibwcim37j5 a 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 0z e4 (g0sl2hfeds+zmq*kd1s statements are 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.gzu:ypwe yf 9/y*m;cx 0:ryx of the Golgi apparatus?

  Which statement(s) about cell structure9edee*h- hexh fc 02.w 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 blu9ph31si nt+gau :5e:wr4 b ufood.


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 shk y1u- 2g+cevlmf6 y/gkiz*ls 3 0n6ocows 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 f:nsz u5fs4ho 3ound in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characterist1p1 bwpl9jgt 9jztkk *:fes 31ics that distinguish them from any other cell ty: s31gkjkwe9*pp 9b tzt1jlf1 pe.

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 leawj3z5ri6 vxk7dw:1g2z ,jl vwf.



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 chromoi:ey4i.x3ynyu cxi+y548bvi n it6g 2somes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which stru 7ova4 dauuh0u3(itqsk189owu(j5+t pk rv5u ctural feature is common to both cyanobacteria and plant ceqo ua9vu+ 1t7ta(35 uwosrh pudk4(i5k8 u0vjlls?

  Which statement provides evidence for the end t7 +7/ebcy4 qjw2vjbeosymbiotic theory?

  Which part of the cell is labelled with the le3;wx:j o4xy/ po *ck uhvxo2t.tter P?

  What feature of chloroplasts provides evidence for the endosymzf;c sb:vu 6*ybiotic theory?

  The micrograph shows an image of a plant cell taken wiwp wp2:v (3nfuth 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 i8td; ig3)vw*e3oo l mbelow shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysinio;8egdi3)3om lv* t wg during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a etrky1lhtu 3iif5:o (-sf rv+c.2n l3tukaryotic cell organty+fh5 lrfs3rk3c u t lino1 (i.2v:t-elle?

  Which organelle is the site of protein synthe/trbd; qd3 tuvb8q1h(8 ,lrfysfu l ),sis?

The diagram below shows a cyanobacterium, Synedf1g0vatd) y33x+je hchococcus 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 organ:bgv xpb+a(s2ux6t ; eelle visible in the figure below whose structure provides evidence for the endosa(+ x6utb:xsv2;bpegymbiotic 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 un mo u.zosp;wbt6i/4a; icellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neuroc zw ix8d8siofq.5f 87ns are the longest cells in the humanoc8f. zq5s8 f8x7 iidw 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 exocrine pax(o nk5v58,khym r(tbvn**rincreas cell. Which of the labelled structures is responsible for the produchy vokxn(8mn*b(it k,5v* rr5tion of vesicles for exocytosis?

All organisms contain genetic material. The type, q2rg d pvh jx q-uznw/+*-+sv*auantity and location of genetic material differ between kingdoms and specix+s *v u-+2 qhn -zj*gdw/aprves.

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 chloroplascg9 ,q,kw z*zsts and mitochondria support the endosymbiotic the,k9*qcwg ,zs zory?

1.Outline the steps in calculating the magnification of a micrograpaz 8g pb.4(i8za;rwvnh.

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

  The diagram below shows av jdn +9j4wy8 :qjgnf0mou05 y 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 and release large amozhc 56exizra/; 0hp)v unts of carbohydrates. Which characteristics would you expect6 ex)i/50hvczp hzar ; to observe in such cells?

The diagram below shows a cell.g3in58(tm 2yu og s1qx

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 and proka1.6z t4t v0gc1 fbucj awd;/jxryotes?

  What is the correct magnif134sfy x6f))ko9dhco-i bq avication of this image?

  Which characteristic is not true for bothw;w fw3 b 57nq7tlcfe6 mitochondria and chloroplasts?

  The electron micrograph shows: 5..j /dtxy :ibfsuyo a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this i:ou ysb. xjfdtyi./:5mage?

  The electron micrograph shows an animal cell. x50yc3u*adq ga 35 qpq

  The electron micrograph shows a sarcomere, the smallest functional unit of see-w zq:2h- ortriated muscle t2- e:oerwqhz-issue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the0kqilrj*mv.w q ig5zzed;+2 2 cell membrane?

  Which organism contains DNA in exactly tmhqlebz4y5 77 o5 0i gy ufhc-xy3x/0fwo different organelles?

1.Outline one way unicellular organisms can carry out each of n bg )fv8.v:etx-vq bd9utrition, movementbx ge v8.9tv)f:-b qdv 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 distinguishes fungal hyphae and striated muscle from tf hy ;eo9kme3x+0z+q vhe two cell types shoe yk0 +xhe93q m+vf;zown in the images?