Which statement about eukaryotic cells mrco5) lz 4 a0hktf;x,is correct?

  Which are common features of bacterial cellg (4 *+frtie.- 6b)h awzbbuads?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shwsl i7tq)zu 4x-x*)h zown in the image?

  Which statement(s) about the endosymbiotic nhjja9, vgr3 ,n7sme2v 9jf0d 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 Ev* z*smktb003zib/ aqy 7/ idrarth evolved from the same population ofy0a*dtqi rk*bvi b3z /70zsm/ cells?

  These photographs show the same section of a human retina. What is th6i f yn/*9:ce(ohsh khe reason for the difference betwho 9ykc:hf*ni(/s6heeen the two diagrams?

  Paramecium produces enzy0rq)50n/cg1+ajxh b zan ows*qyd72s mes that catalyse different chemical reactions taking place in the cytop+1 aysg n5)7bcn0o *rxwqdq h/j2sa0z lasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in h)g,042zlo emzz 3cux6r c)adcommon?

  Which organelle has a double membran6. 0hs-.qn h0uhfgdxne?

  Which row in the table correctly identifies structures which are pres : 5jvuc-(wgs*t8quvment (✓) or absent (×) in prokaryotic and euka( :gqm*uvus-w jtc5 v8ryotic cells?

  Which structure found in a eukaryote has a double membranu- st8f2cp+g a9/0c2q rzu okre?

  
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 structurey+, 0vg2fests)c wp f+4hp:bs 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 Gog svefx5r;* vbtcx2)d0 c+*) dacin6 ylgi apparatus?

  Which statement(s) about cell 6sng39cauzfeue790i 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 bloodoe s(dvq t(co;s )(u-q-ojc0k.


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 cells3tjs x rfadj41xt3tz )0o+5 nd.


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 eukx ud mhn:iz.8re3gz8q9 r97 ypfwc 0z1aryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cma hb.zf.k yv;rig)xmzd. (fib 2;u,+ells have unique characteristics thatx(h+ ga.ki r;.bm; m 2fud)ivzy,z.fb distinguish 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 ai4a( ycrk,h,m 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 DN j)5t8rrm7cro3 jf l.lA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can periz./ (xgbzf5gpje qx8u 60 6sgform photosynthesis. Which structural fegx / fug5i qsxez.z8 0p66g(jbature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theor8d gm ru 1e8kulp6pnlz/m 3v)2y?

  Which part of the cell is labeg +qw r6e:2qmgv8.wzk lled with the letter P?

  What feature of chloroplasts pronq02*pr219 r vwqolgpvides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with 17((4m)0ryr lvb)jbva6 fmh8ntm wqe 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 nm,8n,a2bl (xlog +ad of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’sln ,angm 2ld a8b,(ox+ shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a eue m gjl07;*)q7mk mfomkaryom*q7m 7fo0m;) l kjmgetic cell organelle?

  Which organelle is t5l; /dvqr qw*ihe site of protein synthesis?

The diagram below shows a cln z*hofgp 0jkvvts00a;:o +h8ln.u2 yanobacterium, 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 fig (wkoo:ma7bt9s bm,fv;1k d-lure below whose structure provides evidence for the endosymbiotic theok:o o1;tbmkm l,a -f7 ds(vw9bry.
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 multicellulea,w (/s+s1z4dc )wh gwfbu 9car organisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the huoxxa 3 a80kob: qn9la/m f74sgman bo x msa/k3l7qn8abao9 xgof:04dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron mso 79hcuq0 lw84c iv/s) hj0ldicrograph shows part of an exocrine pancreas cell. Which of the labelled structuresd0hcoch ls9 v/7u08w)sql 4 ij is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of gerethcekf/p5 43; sda wh2t/h:netic materk hscre2e;t dht//3f4wh: p a5ial 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 chlorotsx,w+fmmc2r0.lx; fhx ge b p-+ :te7plasts and mitochondria support the endosymbiotic theorm:h7++ bxsp.2,w mt0gcfxre x-tfle; y?

1.Outline the steps in calculating the magnification h qm4/5j/hbm rot,t21 rbzrc8 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 showsj qr,/lz-j/ x/gk5 as(9h:jd e0gxjsd 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 and release large amounts of x kv3 qf*;:usacarbohydrates. Which characteristics would you expeq sv *f3;ak:uxct to observe in such cells?

The diagram below shows a hj 2qb 5myv:k.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 applies8u+or8d, n .pp/1 meo alciub6 to both mitochondria and prokaryotes?

  What is the correct magnification of this image?vh2 v bam2e75z6g- bqtjfeqzn82/h7c

  Which characteristic is not true for r-(rs4k ihza6 e,n;se both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella l,e)e3bo-iu a.c hho u,v;3rccitoralis. What is the u)eb h -3cav.o,3c;eui, corhactual diameter of the cell in this image?

  The electron micrograph showadffc9p423 .rtf p-n as an animal cell.

  The electron micrograph shows a sarcomere, the s hsy1g7 2n(jiqpav3vo7 ,xm.bmallest functional unit of striated muscle tissue. jmy1nh sv(v. op2gix,73qa7b What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cq (vf5 4rwalf+ell membrane?

  Which organism contains DNA in exactly lb+ 3dt*:/qnw rh h7obffq*p3se+l2mtwo different organelles?

1.Outline one way unzk2 :gx9g,s5/c vvy nnicellular organisms can carry out each of nutrition, movement and5, gycvk nn2/g:szx 9v 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 striate5ybk to/kh4s 5yvvn*5w b6x0td muscle from the two cell types sho 5y5bw4h/0* tbxy5onsvk6vt k wn in the images?