Which statement about eukaryotic cells is cornl.v4b) *vk9 6ghfq kmrect?

  Which are common features of bacterial cepv3ckf3 o 5mz7, zpl4dtnw;e;lls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown ino;v(c +g s;sacqbb;) l the image?

  Which statement(s) about theb-g1e3jy c hy *tvp1 e:xxqx(1 endosymbiotic 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+i8mryy+k, mnlt mn k)o8t:d ( life on Earth evolved from the same population of cellimy8mt8k:n k)lo+mt dy+,n (rs?

  These photographs show the same section of a ha 4mejv90gyzj2 qx 2 ;5c9oq(kub6xop uman retina. What is the reason for the differ9uqvga(zpq2 kc;o bx26m jj4o0 9 5yxeence between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reaez9dxeenwy2 z.8o, /8 v tnrn:h0 rmfi2 ko+c:ctions taking placefno,:8z09+ek/hxi yv renotw 82cd: mzre n2 . in the cytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled organelley:byr3o/9 kxt s have in common?

  Which organelle has a double membrancfl ihpz:)k(x5r*a f6e?

  Which row in the table corrf g,c1z-6pc,as,y 3 h-oyifv7m+lzfp cmdn 3, ectly identifies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic ceo3-+dy f mf a,chzynplvc67 ,fg - m,i3spzc1,lls?

  Which structure found in a eukaryote has a double membranecfyi0vl,t m.9p;f/lml 6t9 dw?

  
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 st3b+z vvxru -eu+.ic18 0nbcodructure 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 followinzr4.jf 6xp;g qi vt,ypy;h4r /g is not a function of the Golgi apparatus?

  Which statement(s) about cell structure is-1xohs3zr9 naqw 8i3khv/6+r -wb zwh/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 of bhq+g1qyu4 ; yn*.cy fclood.


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 cellskg(4u5kcfk8jfjb 7-+ wpqi/ h.


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 pg04n;k ( nhfifi fvqd)a6(;q4 f-axfzrokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique ch/y*idu89rl qv aracteristics that distinguish them fru */ dryvl9iq8om 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 section thv*.e glnla q11rough 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 op mks0 b65m1lfp k9 w4ki0;zjrf bacterial cells?

  Cyanobacteria are prokaryotes that can pe*r,nml 0t0ra is4s.gkrform photosynthesis. Which structural featugktla04 ,.nmrss *i r0re is common to both cyanobacteria and plant cells?

  Which statement provides evidence fsf jh2)6a u8.f q2lfekor the endosymbiotic theory?

  Which part of the cell is labelled with th -rqhas)./wqn+7* hulamd/ tze letter P?

  What feature of chloroplasts provides evidence for npzu o)5m:ug( hna:k1d+cd x;the endosymbiotic theory?

  The micrograph shows an image zpm f*wn+ wj4;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 bacteriumweh8j: 8 khvql.jwe 1t7tc5t/ Vibrio cholerae. Which of the labelled structures maintains the cell’s shape ane.jt:t /v7l8c1j 5q keh wt8whd protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin o, locsz e-b ry7+ :g9mhzmtzk:jo+(wb3:g, bi f mitochondria as a euk,o:tsbcyg- k3m9e+i( hzb ,jg:mb wzzr+ ol:7aryotic cell organelle?

  Which organelle is the site of protein 9p/ jic vih;1lsynthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus.2t+(zu 3zioxb n )n,p ;9thnue

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 structure provmv0gkrw der lh o99g9 3g0x5:aides evidence for the endosymbiotic th9xo0 dmg0:5v wherkl r 9g9ga3eory.
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 areiz+n8 4lir, . mmec)dp correct?

Below is a diagram of a motor neuron. Neurons are the longest pn-:tzx/ tadd hc 50u3;hf )ducells in the human bodyd utafu xt)dz0ch/ph n53-;:d .



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 celdu;qk+ nu;dk7(7 xysrl. Which of the labelled structures is responsible for the kdx ; 7ur 7;yqu(sd+nkproduction of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity p7km cmj9uq(.wsb v:1 and location of genetic material difmjcs1. bu(q 7w mv:9kpfer 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 and mitochondria supgx-- utppn92ua+ j(wkport the endosymbiotic theory? 2ut -(+wn-k gxp9ujap

1.Outline the steps in calculating the magnification of ams+ :nt xq*pqux6-s 5e micrograph.

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

  The diagram below shows a celou0y6joo:w 6 jl.


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 e2y :coa kis-;amounts of carbohydrates. Which characteristics woul:csea;2 o-yki d you expect to observe in such cells?

The diagram below shcvx0d0:dhnq k. px0a. +0nf6d7bcspg ows 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 and 9,duj 65tq;/jtpk(nueme(n j prokaryotes?

  What is the correct magnification xf. rf/ r8+vaztbs--jof this image?

  Which characteristic n3kds7b i92oeng31 3mexukb ;is not true for both mitochondria and chloroplasts?

  The electron micrograph shf/ ;fx h+lxaw(ows a prokaryotic cell, Cyclotella litoralis. What is the actual diameter of the lhff xw xa;(/+cell in this image?

  The electron micrograph shows an animal(/k-a*u -mtf6 at fsjk ,vizj+ cell.

  The electron micrograph shows a sarcomere, the s) 2560s+yd qrnlqmoe)pr2ydsmallest functional unit of striated muscle tissue. What is the actual length betw e6pn2) r2qy+ dsm5ysd 0)rlqoeen the two Z lines?

  Which organelle is formed bl ;sb11j yasebi6hl1:y a vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two diff7afc bkhx;yjpwash /.. ev( -9erent organelles?

1.Outline one way unicellular organisms caw+z w /.yir8 o4oivxs,n carry out each of nutrition, movement a,4wz.xw/r sv +ioy8oind 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 fungal hyphae and striated mql0suqv eanjtt6 2/m lei0jj( 5/..oquscle from the two cell types shown in tqli250 6 t /(on/.m jj.te0uqvjelqashe images?