Which statement aboutha**lj4tk9lo s0 a4p4 mjcf l( eukaryotic cells is correct?

  Which are common featuresr ltdb s8g7ij)bhg5*q */3yj y of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imagl/qtlaez c-. 5 yl2q1de?

  Which statement(s) about the eny)/ rdr18j3v s:qm z pxlt(:yadosymbiotic 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 popke ;zf/j6 00mq78jonempq-z jk 9qyifqs) q.8ulation of cells?in kqf9-qjyoq0e)mf6qpz/m.q0s8 ejjz7 8 k;

  These photographs show the same section of a human retina. What is the re4yccez-j9gp q+ t2vr+ason for the differen- 9+vytp24r jezgccq +ce between the two diagrams?

  Paramecium produces enzymes that catalx+* 6azpl* teryse different chemical reactions taking place in the cytoplasm. What function of life is demonstrated in t* x+pe rlza*t6his situation?

  What do the two labelled organelles havwlme*c2g01 gv9hzs/ ue in common?

  Which organelle has a double membran7a(; xg8irxt cgmt1p* n9y pm1d)rns4e?

  Which row in the table correctly identi 4j6oe6 eief.mfies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cel6e. e4emo6ij fls?

  Which structure found in a eukaryotlq5y7 5*gt2tt f(bpj ne 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 statements are true about the st 0ngjd20 b,ntvructure 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 functign4d /9g/e*j8 tbiimnon of the Golgi apparatus?

  Which statement(s) about cell structure is/are no((v+te2qa3gtv z fm(kt 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 microgr kyjg6 i*bw6l1;9cblu aph 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 showgbtfh v mhd 0)/8,lpz3s 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 bxds.9ow -b3 kcoth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in 6z q4e1m rpi4dhux-+ wq5v/dp plants. Plant cells have unique characteristics that distinguish them from any other ce61qm+/dx5ei vw -pru pzh4dq4ll 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 sectionv 9w(cic:9 kzc 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 bacterialvpx/t9c9fzq (w vl ul ;,b jkw(o++1mu cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Whicf:nqa0zc); tr,.n j mph structural feature is common to both cyanobacterim;:ftn rp.qc0, njza)a and plant cells?

  Which statement provides evidence for the endosymbiotijtv: xj465pbr4 :bqo /t c4tygc theory?

  Which part of the cell is labelled with th44crwvm4drkd7z k-6 s e letter P?

  What feature of chloroplasts provides evidence for the endosymbiotve/be m 1-w w:i6jddf10 lq3pgic theory?

  The micrograph shows an imagn0n28enghb r 5e of a plant cell 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 ba(,ict /gurxtu4qa v xm -i.c;3cterium Vibrio cholerae. Which ofrm ,4uuc givc ax-tqx/;i.t 3( the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin ke)i ) ): 6jrpm9ezlzdywt2m5of mitochondria as a eukaryot 5)reyz)immdkzw9t2):j p 6elic cell organelle?

  Which organelle is the site of pro(fuuffppv0(vt.5 5 bwtein synthesis?

The diagram below shows a cyanobacter)ea as*/( vjr6mn lj.gium, 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 sy(*d26 qgwh lby(1x sfigure below whose structure provides ev qg2x 1b6y( *dlyh(swsidence for 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 about xk 1md4tkh .7hqw0m9 kunicellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. c)krdril stlu;.ieu. .9tr8- Neurons are the longest cells in the human ultd -rs.9ui )ikrc.r l 8t;e.body.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph sho83:ct ja ow yo)-8tqvarvym1.k gxt) 7ws part of an exocrine pancreas cell. Which of the labelled structures is responsible for the produ y1:cvg8 w-3j8vtr.)mxto aty7koa)q ction of vesicles for exocytosis?

All organisms contain genetic material. The t (s0b:vus *etwype, quantity and location of geneticbut:s sw(ev0 * material 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 an oy dy j07t)*et9.ggnd0rn6a 7el2iyb .otv-nd mitochondria support the endosymbiotic theory?t7n nr9).aytg.y*2 b76i-eyvj0e otod dngl 0

1.Outline the steps in calculating the magnific /mtls1 51tqhfb7 c;jgation 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 shadmqu; 3afi.8ows 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 andy wgduo72jkb-( j-q.p release large amounts of carbohydrates. Which characteristics would you expect to observegqjpwu-7jok -b 2y (d. in such cells?

The diagram below showsygy(578 j6,u oi7wggh(za wxo a 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 both mitochondria anspqn lef o9j: 664bg1ey;pf3fd prokaryotes?

  What is the correct magnificati4w ose fhrxc6k,)0pf8 on of this image?

  Which characteristic is not true a y7px) q)tq(wfor both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella9nln,mi7(c ,pzk7lq, bci0oi litoralis. What is the actual diameter of,, n0,ko97ccq7iplznbilm i( the cell in this image?

  The electron micrograph shob-0nzb 63wm laws an animal cell.

  The electron micrograph n egv:bo; 4kyy( s-9jkshows a sarcomere, the smallest functional unit of striated muscle tissue. What is the actual lenj9:(s nkeg-byyv; ok4gth between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell -: ; d lj*5zu8a bh-kiwx0xgdymembrane?

  Which organism contains )9ix4/w -l4c8d lb iij/tdqufDNA in exactly two different organelles?

1.Outline one way unicellular organismr-v6ug06diwv s can carry out each of nutrition, movement an dw6vi 60v-urgd 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 distinguut (l mmz0e6-pfg09dsaaz;e5 ishes fungal hyphae and striated muscle from the two cell types shown in the im ee 0pf5s;m6a9-ut z0algz(dmages?