Which statement about /xudb*x2 kxs2ti,bd +eukaryotic cells is correct?

  Which are common featuresoch u b r/vr-21; l.bg+3adgnz of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shownigmd0ima*4o j(:w hc,xg +x1w in the image?

  Which statement(s) about the *x1d ml.(yxkhlo 5eb9ziod;;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 thra1.lk5; h2f/i8ho iu 2iue eot tzrc+r 37r-dat all life on Earth evolved from the same population of cz r-rh1taoeche flr;r7u t5 u2koii. +i2d8/3 ells?

  These photographs show the same section of a human 2+y(. g d:o, tvsbixi8b2 cntv6iq8b oretina. What is the reason for the differenceb:dns i6g ocvq2+v8io(btxytb 28 ., i between the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions ty+ :nch/ l+pzsaking place in the cytopla+s+ph:n z/ lcysm. What function of life is demonstrated in this situation?

  What do the two labelled organe q oys3++ )x4jpza+cuplles have in common?

  Which organelle has a double membranvh ,ae,m dxwvuo*gl.p)8ep* 0 e?

  Which row in the table correctly identifies structures which are prk00:k d vrvi8wesent (✓) or absent (×) in prokaryotic k8:ikd 0vw0rvand eukaryotic cells?

  Which structure found in a:c gdiz81ot6pf .s4bp eukaryote 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 strwj4:rwbp r/+awmet:uf-b*bz.es*d; ucture 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 followingypl7- 40r7sejx t3ncb8 un wz, is not a function of the Golgi apparatus?

  Which statement(s) about cell strhghi*/+asg 1f54o dqsucture 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 of blood:sgbd*rs4ptz +u,t +l.


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 gv zq8)pnc1q qq8cb,t5e;c2bcells.


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 l(+q -c08o3xl xolg -3yiwbr ;mvj;reth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique c+c klj f43rr1sg9v ;wrharacteristics that disting gjrrc9lkf w1 34+;rsvuish them from 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 through a leav;t3qper))oem o k1 :bf.



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 bacte byhhtfhph9 +y,oi q.d:8kv36rial cells?

  Cyanobacteria are prokaryotes that can iy8ah1j athrb e.4;2 bperform photosynthesis. Which structural feataah 182eh4r.it byj; bure is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic theo e*obx,3 us,yhry?

  Which part of the cell is labelled widgtp y)6udjozh 7,p87 th the letter P?

  What feature of chloroplasts provides ebvjr2ls7md j rz88mu0dm, ;4svidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a lsm5 on qlm (vwf38h.v8ight 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 bacteriums y+)e(q5.j n)uj t,ry m 4sj8 pfg:g-aarlt8a Vibrio cholerae. Which of the labelleesa:+a).8y f4 85jy(gmj-t ) p aqujglrsnrt,d structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely l4 ds7gh 2l in,f7:c 7e a2vm5jhb5wxkresponsible for the origin of mitochondria as a euk exswh45kjc22inl57d gl7b7,hf: ma varyotic cell organelle?

  Which organelle is the site of proteindn+f n..l+eq*d abeoq-8u*j s nbk-r0 synthesis?

The diagram below shows a cyanobacterium, Synechor43ni gg ng86fcoccus 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/-p j /jv333j3/gny utbjneptructure provides evidence for the enn 3-j/et n/u/pvj3b3y3jpjtg dosymbiotic 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 unicellular and multicellular organisfy1dnsim5o **pf77 wuq)nwr/ ms are correct?

Below is a diagram of a motor neuron. Neurons are the longest - zbwf4efv izo 3;w6m5cells in the human body. wzfmb5i zo3 vfw-4e6;



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 c( m9c sfbz7lz1ell. Which of the labelled structures is responsible for the production of vesicles for exocytosis?(mz1lsbz 9c 7f

All organisms contain 32lw-w*qyq76 mmo9- uoabjog s j80xigenetic material. The type, quantity and location of genetic material differwm- ix83lqy-9o2j7 6mu* a qog jso0wb 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 mitochondriak xe 6o (vc4h1 ;z:m(r c6c*2zzobppn(swn jd; support the endosymbiotic th6nr h(12vm: pc((e;;6zbcponoxjzc *s zdkw4eory?

1.Outline the steps in calculating the magnification of a micro4f pu;fx j7+mqgraph.

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

  The diagram below shows a ( *a8q qm4 vw7xanyylfs.-i1l 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 ofeuf++u+ codm) carbohydrates. Which characteri uouc)f++ md+estics would you expect to observe in such cells?

The diagram below shows a cell5b o ki( wey:i+3 + )ilmnf;loqq/1ehi.

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 mitochondrez5 1*fc+9jf)gplkgggxhy-z4e:rxm e9d /m2ia and prokaryotes?

  What is the correct magnification oj o+h;*-adg/yqt4i hjf this image?

  Which characteristic is not true for both mitochondria and chloroplaschn 1m j/qm b/z:v-b+cts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoraliv (am, g1woju5s. What is the actual diameter of the cell in thisgwa,jmvo(5 1 u image?

  The electron micrograph shows an ankfk*d ;lk+) tfimal cell.

  The electron micrograph so0a go-2axjkfw ;*e+w*owlm .hows a sarcomere, the smallest functional unit of striated muscle tissue. What is the act2 omlo;aj-kf0 *ewa* .+wxwogual length between the two Z lines?

  Which organelle is formed by a 1uh n4n25ufqm vesicle derived from the cell membrane?

  Which organism contains DNA in exacb ; )c4hkqag*c,gq k j)imh+z1tly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, movo4m0fq . vrzu2 jaj jaq/d/ ck2a,90lv*wt +thement and 2w9z0,t q akjvjq4u/hv/.c* t02+dm lrjofaa 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 distinguio obbayi fks4(8j6a( -shes fungal hyphae and striated muscle from the two cell types sh4j k-boa6iy(o8a( sb fown in the images?