Which statement about eukaryotic cells is corre 3+3cg/fmv 2 /51nck:a:ircexa zf)qqmuu v l5ct?

  Which are common feathf4*wi b 0l0avstu59 zures of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shownqxuid2vr 0aj 5d f1e+w83 pau3 in the image?

  Which statement(s) about the end /mz5q.d.cax 6tv* 2zrlsj -yuosymbiotic 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 the same pop88ffhv 5t ioc+iezt;0 ulation of cel 8o0f5 eifhc8+tzitv;ls?

  These photographs show the same section of a human rendsql m)f0j;kuot5 (1 tina. What is the reason for the difference between the two diagrao;jkn 5l1( f)suqm0 tdms?

  Paramecium produces enzymes that catalyse different 35+ uszmufd.+8nhyt ychemical reactions taking place inumy.n3 uf5dzt+h8+ sy the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelles 2gdbzb7i 7puo8x k6y0 have in common?

  Which organelle has a double membpw)d8utyc yw cvn2 0:/rane?

  Which row in the table correctly identifies structures which aip:52nvoa 4api25o sya9 u6tvi 3 h9iare present (✓) or absent (×) in prokaryo65pp ohni:9 i 3t4 uavi5svo aiy9a2a2tic and eukaryotic cells?

  Which structure found in a eukar0+(lw:e/ 5xfm ht ee4dkxm,6psx ,bpayote 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 stavhh -9qm+p-svc q1u5tt ,i( nntements 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 no 4.c,3; r biontzsmpz7t a function of the Golgi apparatus?

  Which statement(s) about cct/a0 hpnvn;b 83k; bcell 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 ov( z,wsq j)0fcvkpu*-j9 b+gof 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 shows E. coli cell-(:md h95c:yfry;w lmtcpt n9s.


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 eukar4vmmuv 4:m ap5yotic and prokaryotic cells?

  Mesophyll cells are fo75hndq +bp9+zo g4ntiund in plants. Plant cells have unique characteristics that distinguish th5iq4bon gn++h7d pzt9 em 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 mp -n4 ;vbe6/gjox; 6dho;stda transverse section through 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 DN1i a(lyr:b3xczv - 0faA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can performf62 3i:nldk 8abwdc/ xiy/f7u photosynthesis. Which structural feature is commonai2bwy lic x67f8 k3/ddf:u n/ to both cyanobacteria and plant cells?

  Which statement provides evidence for th( )01eeu vo*a;ce axxthq 97zm*l) utpe endosymbiotic theory?

  Which part of the cell is l -mlp:+xyzb-iabelled with the letter P?

  What feature of chloropdgic ) ,,okv+glasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cellivaul,zb t.3.f+zw b6 -gfqo5 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 bacwr2 4sx28dij pgtl 5.8a7dema terium Vibrio cholerae. Which of the labelled structures maintains the ce gdd5j is78l4wt28ra. xm2paell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as a ka/c7v)kwn/-h hadbki, -vl6 eukarykl )ia-vc7k/k v ahw-,bnh6 /dotic cell organelle?

  Which organelle is the su/f8+xu-t* lmh w m zfty;n+.xite of protein synthesis?

The diagram below shows a cyanobacterium, Synecho.t 7 rxy6myda,+jz j-icoccus 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 figure below whezxp gk38b, j-8 hbdt;ose structure provides evidence fo;ed kztg,8pxb3j 8-b hr 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 about7 u j.d2h+ b(kupmj(.fo twvh9 unicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons ar:btu4-fbz4xyly t v5fc0xnq8l(v /t7e the longest cells in the human bodu(f/l0v4y4ft5 7tb t-qvyczx ln 8xb:y.



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

2.Explain how life functions are performed by Paramecium.

  The following electron mib+ rpn,e zmaz:sc3d++ crograph shows part of an exocrine pancreas cell. Which of the labelled structurpa bz,+cd+s rz+m:e3 nes is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. u:;id3zjg3byql29zu The type, quantity and location of genetic material differ jqly2d3:b;3zi 9u ugzbetween 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 chloroplax3u35saev; z-4yrcp r sts and mitochondria support the endosymbiotic theory 3 uz-vx pe;rr5sac3y4?

1.Outline the steps in calculating the magnification of a ms(67 m b3puiu;+noawxicrograph.

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

  The diagram below show+h*z ;t dvykzuj5/7 pzs 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 reltn4gx 7k 863ox1clahcf(a t r,ease large amounts of carbohydrates. Which characteristics would you expect to observe in such celo l3(aca h68xt7n krt,fc x4g1ls?

The diagram below shows a hyryah26,5eqdt:a4f 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 bokcltqrhi( p(gqh xw 9 j/vu (cria3z*3wm8., 7th mitochondria and prokaryotes?

  What is the correct magnification of this image?9; b bzziy4himd8c lg 768by0a

  Which characteristic is not true for both mitochogr8a 1sjk8m3k1ha3 dm xu:fp(ndria and chloroplasts?

  The electron micrograph shows a prokaryoaa bh,epb*b k7 ,8r-lktic cell, Cyclotella litoralis. What is the actual diameter of t- ,blhaakb,8p7*kr b ehe cell in this image?

  The electron micrograph shows an anim :k(,cmqycxfkxhu:3 x7. ifp (al cell.

  The electron micrograph shows a +8b tx-g;y 2 wdkoqi* bqww/i3sarcomere, the smallest functional unit of striated mus+d2 og wy/*; iixqw8b-k wbqt3cle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle de(yj4h66hqp fs9(jh wwrived from the cell membrane?

  Which organism contains DNA dalq+r m( ab ,:*cgk*vin exactly two different organelles?

1.Outline one way unicellu - tdcomu0)i0w-ng xyqh3gf(w/76t xs lar organisms can carry out each of nutrition, movement and excreu7 h003f)-t d/g 6sncqwm g-(xoitxyw tion.

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 the two cel) jfq)2f c2pcjl types sho 2f)jfqpc) cj2wn in the images?