Which statement about eukaryotqziq 4mp3in-1ic cells is correct?

  Which are common features of bacteri(n f0c6zddc :cal cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is s*zqi1rc n f4f2hown in the image?

  Which statement(s) about the endosy svs)c/m mhm3/z 83pc f0il q6(imven1mbiotic 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 al-f 7h *(dfqfyj gh-/gnl life on Earth evolved from the same population of cellg jqfh /d-n-ygfh(f*7 s?

  These photographs show the same section ofhhx3hl 1o*n gn ih4:jzrh:x,3 a human retina. What is the reason for the differenx3zxnh3r 1,h onhhh*j: : 4ligce between the two diagrams?

  Paramecium produces enzymes that catatt dcrk ypz0/0je. +;vlyse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated invpey. tj/c0d ;r+0k zt this situation?

  What do the two labelled organelles have ibj s q2ow6lvj(e;c oivaw( 42:n common?

  Which organelle has a double me*ss 7ri qpopok9156,erwcvc 472dzqg mbrane?

  Which row in the table correctly identifies structures whdxzrjcqs4 ,7 ,n.og0bich are present (✓) or absent (×) in prokaryotic and e 4b,zx07or,gqjncd. sukaryotic cells?

  Which structure found in a eukaryote has a double membranh0 h pnenh g8+7frz2.ie?

  
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 strucmlp n5rfm25 2hxrj 68(up bk0bture 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 thw: eulz/sc)u*e Golgi apparatus?

  Which statement(s) about cell structure iul bz a00 :4uzcs4+pc6ywud9xs/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 f a*aeo fc9tv;z8 r*p9q2a7oq micrograph 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 s 3k :5fa,slcxkh5jpu0ix ht3,hows 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 prokaryi4 yd,pgy +my*otic cells?

  Mesophyll cells are found in plants. Plant cells have uniui/numwu1kj6yl;n*6 7*uf w oque characteristics that distinguish them from any other cell type.6ln7m fuuuk1u*/;6wnj w* oiy

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a transverse sectio,or)4z e l4 zwdx8we;c02vlv dn 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 DNA and chromosomes of bacteria-pguoq q:2-tw l cells?

  Cyanobacteria are prokaryotes that can perfoj* /j*,3e0lkgnwt9yexxl i y9rm photosynthesis. Which structural xlt,9lge*3n eywxj*9ki0/jy feature is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymb t3a8 yan 6t/z+18t::b svwt +mc6dz pzb7klthiotic theory?

  Which part of the cell is labelled wit9 2+uo1ezr rjah the letter P?

  What feature of chloro(alfimdu lyq1k-3xxb50 l77j z .g9paplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a liz97tu5y5pmgpu4+ kpmght 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 bacterium p nw7b:yawj4ui 0y we:*l*x o7Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis? w4ia 7bpojy *e u:x:7nw*lwy0

  Which process is most likely responsible for the origin of mitochondria as a e:l) krow7ia)6( pyt ynukaryo rw(6ya )p t7yik:nlo)tic cell organelle?

  Which organelle is the si(/r , kf aaifgkbrj2; a7+hg 5sog4vi-te of protein synthesis?

The diagram below shows a cyanobacteriumzk0 j-mmvkx0t c (p37c, 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 figure below whose yhi+d0(q+mkdq x7v c3structure provides evidence for the endosymbiotic theovx+c( qdd+kimy 7h30q ry.
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 organisms are c0vw 35dg0j3gr kl:gu uorrect?

Below is a diagram of a motor neuron. Neurons are the longest celmks n7 ouu 5xql 34q /nbz/9cl6ct0od6ls in the human body6 czudn nclt q 4o3u0/mxqb96/ok7 5ls.



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 co1ti n5l. fk1pvzw5 j7ell. Which of the labell5.wfpzt5 kno11 lijv7ed structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location o3a d dk8aw-c jz1h:-eaf genetic material differ between kingdh z-:kd3aa1 jcdawe8- oms 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 mitoc()ib;svqw i vmpo.tmj:g5u 4(hondria support the endosymbiotic theory?ovtig ;q.5j( pu (bs :)4wimmv

1.Outline the steps in calculating the x kkvhc*5y 7awi,e+xkx4d3-l 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 md,n(hn -u kc7a 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 3 lkxz zizm1;3amounts of carbohydrates. Which chm;31lx3zzkz iaracteristics would you expect to observe in such cells?

The diagram below shows a celxd5:bgn;v 8n fl.

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 gh ;+so ;w*1:kz2b ebv y5odlbmitochondria and prokaryotes?

  What is the correct magnification of this i2z 6hz6cfl50gv1cco xea de2 7mage?

  Which characteristic is not true for both ( au a:fuoz8b4mitochondria and chloroplasts?

  The electron micrograph shows 2xwr3xo3q 0abt ; gw;ca prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this imagec3;r ;xw3 2qwaxo0bg t?

  The electron micrograph shows ape)iv xmlif2k40z lc8)r)n-r n animal cell.

  The electron micrograr(mi7x2 f 0i qljq+ y+4/q4oguwg.yezph shows a sarcomere, the smallest functional unit of striated muscle tissue. What is the aie.r4uof0 j4yy g7 l( gqzqxq/m+ i+w2ctual length between the two Z lines?

  Which organelle is formed by a vesicle derived 1:qy:mfeydu j4s1 jl) from the cell membrane?

  Which organism contains DNA in exactly two diffj/ +m) bqogif). ;hvzqerent organelles?

1.Outline one way unicellularut cjm* n57(ex organisms can carry out each of nutrition, movement and exc c* 7(nmte5xjuretion.

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 striat 7 yd.2txhoy.ked muscle from the two cell types7y.2oykxh t d. shown in the images?