Which statement about eukaryotic cells is correcffol+, mfe9 )gt?

  Which are common features of bacterial 08cpfc+nxa 9p(txnj .cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is sho h y*ajw*0hkz4wn in the image?

  Which statement(s) about the endosymbiotic tho4bfii rzjwb15um:o af:k) 7)eory 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 froi, *3sypc7uqv k wbv1o+1p r;rm the same population ofpr1v; k y,r71*oqiu3cwb +vsp cells?

  These photographs show th:;-l rykmq+ak fe3r x+e same section of a human retina. What is the reason for the difyak +e 3f;:lq-krrmx+ference between the two diagrams?

  Paramecium produces enzymes that catalyse different chemicapgk5r(v/m 7 tpl reactions taking place in the cytoplas ( /rpmtkv7pg5m. What function of life is demonstrated in this situation?

  What do the two labelled organelles have in comm.+rc6dkta a;2iqy5ghon?

  Which organelle has a v,rhy,0up )vci)*c g/ j9ipaq double membrane?

  Which row in the table correctly identifies structuresmjavq/+wq83;+ cp,h0:z ed c bh6umkl which are present (✓) or absentccpmhq/d ;w,+ae m hl:06qvj8u 3b+kz (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double 7u*/kpqk4i x p5ln4whmembrane?

  
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 struct:wpfi3qeyj. (-xe wx+ure 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 functio5mp) pvqwi) *s1kzw2u 5jjsy 9n of the Golgi apparatus?

  Which statement(s) about cell structure is/atr83kn -s8bp nre 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 mhjz r;yjd3a8 .s 92.lnozb*sd icrograph 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 shows E. coli cellsauyukqg7k7t (-ni-7g .


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 bo,nh(( tvf y4iuth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants.2az2j m3j-l4fyb/row Plant cells have unique characteristics that distinguish them -3yw4/f rza2jj lb2mofrom 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 sectif/xt y0juwgnv,73 5dion 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 an)w/e2l a+u ymdd chromosomes of bacterial cells?

  Cyanobacteria are prok+q v+*abd(jvraryotes that can perform photosynthesis. Which structural fe+rd*j( +vvbaqature is common to both cyanobacteria and plant cells?

  Which statement provide v6wbw s3 c4/ept+zia),s y1sns evidence for the endosymbiotic theory?

  Which part of the cell is l. jr 0ubvrfnc8c-44f+a9axi jabelled with the letter P?

  What feature of chlo9hgujoj6g sfqps +lk ;+mid7h9+1zl 7roplasts provides evidence for the endosymbiotic theory?

  The micrograph shows an im1g uzp z1bxmf oc:(t6*age 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/zd9y: 4 nytsa below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosiszd na:t94y/ys?

  Which process is most likely responsible for the origin of mitochone :9x;era5zc3vd2g1 ld / xxea;q,abldria as a eukaryotic cell organellebc2 dgar ez5x 9;,1/:3qvldee; laxx a?

  Which organelle is the site98g;8ll8aiisrz vg 1p of protein synthesis?

The diagram below shows a cyanobacterium, Syne*m 6 cg,9xfl,ham (adechococcus 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 whos yn ;u 2fu4th+:sft2*kbyi0qle structure provides evidence for the endosymb it 0l+2sfbuy*n;:fu kyt4h2qiotic 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 unicellulfy .jea xj2,m.c;)tl)h f3ynpar and multicellular organisms are correct?

Below is a diagram of a motor neuron. qpjd p8 +k+dd3Neurons are the longest cells in the human body. d8 +ddpjpk3q+



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows panuhjnf9a- 8 *irt of an exocrine pancreas cell. Which of the labelled structures is responsible for the production of v*j8u-h9n afi nesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locat/gymj u5f7 /c2vu -kfgion of genetic material differ between kingdoms and spm/2u5gkuj -yf/ gcvf 7ecies.

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 mitochondri86f bvr )7mcnsa support the endosymbiotic theor7nvsmf)c b 86ry?

1.Outline the steps in calculating the magnification ofpp x1 b3ywk0. ,q1pxyidx9,di 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 aip ink.m ihc1+i-z /f6 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 ,t 9dzn6i+eutamounts of carbohydrates. Which characteristics would you expect to observe in such cel9it+d6e,z n tuls?

The diagram below shows a cel /2c1mi7vxj3gwg.qatk ,e*q el.

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 botr9b.wpqu4 6nbpkk.nc;lq- , eh mitochondria and prokaryotes?

  What is the correct magnificip oi,yf(j.(ko*8 -n c y, bprlv(+lipation of this image?

  Which characteristic is not true for both mitochondria and chlorop 4mxsn + miog ru2-gp5tbfh4-uq()2x blasts?

  The electron micrograph shows a pru klx0rfl+o+/okaryotic cell, Cyclotella litoralis. What is the actual diameter of the ck0 +r/llf +xuoell in this image?

  The electron micrograph shows an animal cell in2ydc7 i60sx n/ 6pjjg66zdl.

  The electron micrograph shows a sarcomere, the smallest functional uni88 rkqu1g65qivpfz / ut of striated muscle tissue. What is the actual length bqk1i8 5fuzv6 urpg/q8etween the two Z lines?

  Which organelle is formed by a vsx/.9gm- 2is*rl t mwb6u fsq6esicle derived from the cell membrane?

  Which organism contains DNA in exactly two differ+d64uq,u y i6gtndyrj8e2/ xsent organelles?

1.Outline one way unicellular organisms can carry out each of 5ddg +wgsjaz) l 3hh.h:w5c:snutrition, movementl5sc3w5hs+ :g .w:zdgahj h)d and 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 distinguishes g0fzkep.7 g ovf u2.l3fungal hyphae and striated muscle from the two cell types shown in kz 2..0ggo3ulvff 7p ethe images?