Which statement about eukaryotic cell7nmfazjw11nv *x8 xlyp ;8s v.s is correct?

  Which are common features of bly) 82 yiaf ce:ez y:7(tt6ouhacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the jkfb*l+npms 57uc9jti4. t8 -t crul5ey o)3f image?

  Which statement(s) about the endosymbiotic theo9 veo9 0fek,xwry 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 the same populamdw.+t.b z .q lm.gt(ction of cells?t(qwt+b..mc gld. m .z

  These photographs show the same section uqs l:oyc:,v( of a human retina. What is the reason for the difference betwee u s,o::vlqyc(n the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reac9:8anpretp n/8cve: -vu ppz4tions taking place in the ce8e :npp4cp 9:/ tnzuvpvra8-ytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in commonq-* ic/loc;r a?

  Which organelle has a8,h r*g tayp)(:orqoy double membrane?

  Which row in the table correctly identifies structures which are present (✓)n:vsfl.,use 7 or absent (×) in prokaryotic afn7: vl., susend eukaryotic cells?

  Which structure found in a eukaryote has a double mdmbtd2.8 *emjzpzq uak);)dybs;(+ vembrane?

  
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 t2 cmj .1nukhqhse)n 4 x)+*/q:ha rcmdhe 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 apparatx7j4k+b )d ncrus?

  Which statement(s) about cell structure is/are nszi kb; 3zb,h;qoy;o 0ot 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 micxbold4u k.yd hxg6 or4 9+zh43rograph of 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 *oayg s12 re46law+syshows 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 c2b- r.ckvt,y both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plfg0l-p6r h qdh,9c uk9ant cells have unique characteristics that distinguish them from,prqf9 kd-6hh g0lc 9u 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 throusn7o*ys*, 4x22 h 9b .jmnrnx0qrqvcfgh 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 chromosomevt tf6yje )anvu5ls(.b;) .cls of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which (q+q: bpbzc+r structural feature is common to both cyanobzqp+ brq(+ b:cacteria and plant cells?

  Which statement provides evidence for the endosymbiotic thes:bqa:w: 1 nzjory?

  Which part of the celld4 r;x 1: geubfbi9km2 is labelled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbiotihe fnjh+et( 3bet8; ly87d d(xc theory?

  The micrograph shows an image of a plant ceh4y k0q*lg ig0ll 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 belujxp. hwjgq+oq rs 454 )e(l5vow shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintai5. hvj gejlq os5u 4x+(r)4pwqns the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin ofeel;a)f57keag pd4 wa ;ns5-c mitochondria as a eukaryotic cell oeg5fa5)nd pea- wk7;l4es ;a crganelle?

  Which organelle is the site of proten:c-:1neq4yjvw dq d-u ,k- vgin synthesis?

The diagram below shows xe4o7vvv2ml1/b 9upgf2w c :q b8hql7a cyanobacterium, 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 ) txm6 jdt 7mar;nmy//visible in the figure below whose structure provides evidence for the enm7ttx;mn/jy)r/ am6d 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 multicellular or9rhsa4g5 7dy59bq .htyp8 hlfganisms are correct?

Below is a diagram of a motor neuron. Neurons are the longest cells in the ni6uev1 3 pu2g2 pi1blhuman body. iebup1l 6p1u23ng2 vi



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

2.Explain how life functions are performed by Paramecium.

  The following electron ya2 lk*a3qen/aoq;+w micrograph shows part of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of vesicles fo wlqq o3 ;*+kyne/2aaar exocytosis?

All organisms contain genetig3,tt ce)tcw,t u5ef+c material. The type, quantity and location of genetic m)guec,e wc+, 5tt3ttfaterial 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 and mitochondria supportmw a0phs3u( k7uyf/2j*a-t np the endosymbiotic theorm us a-tjw3an fpu(kh/p2*y0 7y?

1.Outline the steps in 3kz 02ly:7f5qh 9 jaihzfk+x2 i9yu qbcalculating 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 a c81ev xos73 bt(m+ti evt4*frsell.


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 carv ft,+kl abczdq,m1; w;f n1,:to7zz pbohydrates. Which c,, d17z;n tzl 1pbc+:az,q vfomt ;kwfharacteristics would you expect to observe in such cells?

The diagram below shows a cell. c9q 4wo uh3o6w

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 prokaryot3g )8gze .tkhxfx(yh)es?

  What is the correct magnification of this image? )y jn,7ssh -rg

  Which characteristic pk, n gh(9ae7yis not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. What 9 5mg3mbo6k51fqmmu vis the actual diameter of the cel mvg1buo5q6m3 kmf95ml in this image?

  The electron micrograph shows an animal ce)le 5veed 6(3 02pvn ej umg7ew:top8mll.

  The electron micrograph shows a sarcomere, the smallest fuslx ,v/bl7y8vnctional unit of striated muscle tissue. What is the actual length betweysv, l8/vlxb 7en the two Z lines?

  Which organelle is formed by a vesicle derived from tb*xqy mpwe j+p;* m9y:fj5r 0lhe cell membrane?

  Which organism contains DNA in exac uy;h:0g:sps zyyc80pry-l; uq ,1r nttly two different organelles?

1.Outline one way unicellular organism/p)x y.* lfs5ii jq6tfs can carry out each of nutrition, movement and excretion. 5/fxflis* 6t p.) qijy

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 (34xkwv/k- av*wirr z the two cell types shown in the images? kvax k3/wz(4rr*iwv -