Which statement about eukaryo; a3, cg snvbqulx+(r(q.th)atic cells is correct?

  Which are common features of bacterial cellsw35)d i y*4lhiw9gz4fd-e vd ch1ib.h ?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imags7aaeg)/dbib:rju/ 7e*e k,gz-m x 4je?

  Which statement(s) about the endovh*+w3visuxm .- ep,fsymbiotic 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 evolv5.y lru n.np/ted from the same population o/5nlnr..tpy uf cells?

  These photographs show thtmycb4brhwo7 cvcj +;1 +k v44e same section of a human retina. What is the reason for the differenrtvc cv +4 jb4+mb ;whc7ko4y1ce between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions taking pe lvo- (51fmc :o;-oyjbvlm(glace in the cytoplasm. What function of life is demonstrated in this m;:oe ovg5y-fcb-om(j (vl1 lsituation?

  What do the two labelled organelles have inv4ru 8utuqcw c1:oc )oy9cx48 common?

  Which organelle has a douyo r2kb*ojfn/5v ( m:rble membrane?

  Which row in the table correctly identifies structures which are present (✓)w6 tu8i4y/n qq or absent (×) in prokaryotic and eukaryotic cells?i/ 8w4tnq y6uq

  Which structure found in a eukaryote has a double me pv53fhjo8yx,k* )an1j t3y;n(ukwrvmbrane?

  
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 structure of cellta d .b6pxi.r5s?
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 Golo3nl(( kg.xy whc0u h(ac5l v2gi apparatus?

  Which statement(s) about cell st.:zo 8xdtu.r pnpdf86 ructure 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 i;8p:d) 9,ufxvutz z eof 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 belowft31)jn w: dnr shows 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 prokaryotic c 5efm:rb 32 xo1zoyxt.ells?

  Mesophyll cells are found in plants. Plant cellsum (a;m e4fhs/ have unique characteristics that distinguish them from any other cell type(ef /sm ham;u4.

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

  The micrograph shows a transvex 0ae0q3hf4 -a j;krrprse 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 dv8-o, +md n,dq- na jndsty+p(escribes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes tha2 e+nizu-40h1ql r .xuet qdz7t can perform photosynthesis. Which structural feature is common to both cyanobacteria and planelx2.uinq7 e1 z-d qht+u40zrt cells?

  Which statement provides evidence for the endosymbiotic thet ) p*e ps+ji. -ajx.k b oixj40buh/k0lu.*vsory?

  Which part of the cell is labelled with t. zio:dwzfo8.e. bfr) he letter P?

  What feature of chloroplasts provides evidence for the endosymbiotic theoryd8mp;m d*e m-x?

  The micrograph shows an image of a plant cell taken with a light microscogx01z gt2y u/2h wym/npe.

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 ozw,nw l1fgm9 -f the bacterium Vibrio cholerae. Which of the labelled structures maintains the cellwf9lg1m, z-wn’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as aoi8b:h cxdq7p v -eo,4xj)da9o v.7vk eukaryotic cell o:vjqdo- ehci7 9bo4),87oxdkxvvp. a rganelle?

  Which organelle is the site of 1bl aq9 5d*t-pa3jx quprotein synthesis?

The diagram below shows snv, f; i6ck-ta 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 visible in the figure below whose st kvzly7*yt e so8:*3ucwm*0dgructure provides evidencz*g3*udm *wolt 70 ky8yvs:ec e 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 uniny-sr-c 81lmh wk :j*a e.qil2cellular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the lo 5-lx1u5 xmrvsngest cells in the human boxrsv5u- l 1xm5dy.



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

2.Explain how life functions are performed by Paramecium.

  The following electron z)r om+9q0 qixmicrograph shows part of an exocrine pancreas cell. Which of the labelled structur0qx)+ rmi9zoq es is responsible for the production of vesicles for exocytosis?

All organisms contain gen)s gqe1)ymd1jetic material. The type, quantity and location of genetic material differ between kingdoms yqjdem)) 11gsand 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 chog5+gi4teizx.s4s ol2nz q-)loroplasts and mitochondria support the endosymbiotic the.oztq-)2zl oi5 ins ggsex 4+4ory?

1.Outline the steps inz9),.jmiit xs calculating 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 showg6ro q,kr/ v/3vjzi6r s 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 carbohax79ve l6.9pwcpoyw 6o 8i/ ubydrates. Which characteristics would you expect to observe invbxa /u 669eywoiwp p 9.l7oc8 such cells?

The diagram below shows a c 3kvbno3kj6zl sv8fq.o0 -7deell.

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 no g3lg356hj oand prokaryotes?

  What is the correct 14rk rm46k vv,/jd2zl/bzkflmagnification of this image?

  Which characteristic is not true for both mitoo u0lp*n* butldt + /ihwsw;ma1-x,1rchondria and chloroplasts?

  The electron micrograph shows a prokaryoticj0. d8frdvig9 cell, Cyclotella litoralis. What is the actual diameter of the cell in this image? dgj.9vifrd80

  The electron micrograph shows an animah gw elujp5.v1( -bj-cl cell.

  The electron micrograph shows a sarcomere, the smallest functional unit of striak 4w-g(cgniz8 ted muc4ng( gw8ki- zscle tissue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cell meppfr68 d)wqdea)+z a hyl8b+,t,gfy 2mbrane?

  Which organism contains DNA in ex6 /g9 jhrrorl(j61t neactly two different organelles?

1.Outline one way unicellulsy9bhc 9xh*r)ar organisms can carry out each of nutrition, movement and excre9ry)shhx b* c9tion.

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 t/ty a/xi;in (mhe two cell type; i (an/yximt/s shown in the images?