Which statement about eukaryotic cells is cor)ixk:z+m srkl9l1 18yppu v v-rect?

  Which are common features of bacterial cells?ks 5raka0 o7h+
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in tw jukfg0 i699nhe image?

  Which statement(s) about the endosymbiotic t , 5e0u. 4gij,9cyezgesatc6eheory 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 liwpv3ql6 +hi9 xx:n /otcl. 6kqfe on Earth evolved from the same population of hcq6:w+6itl 3xxnoq vp.l/9 kcells?

  These photographs show the same section of a human retina. What is the reald mf kj(5 *pahez*y(9son for the difference*edzl*jh9p 5 a(m( fyk between the two diagrams?

  Paramecium produces enzymes that catalyse different,jk sbfym j ,dmo*5.z4 chemical reactions taking place in the cytoplasm,b.m zof,jdmjs ky45*. What function of life is demonstrated in this situation?

  What do the two labelqqve p(2kf+* zled organelles have in common?

  Which organelle has a double membrane?d0xbb6 7unzk ,

  Which row in the table correctly identifies structur; (r8 (jg-oesgl2vpwles which are present (✓) or absent (×) in prokaryotic and ev e2gs g -wrp(;8(jlolukaryotic cells?

  Which structure found in a eukaryote hal-z9 :nz np)pss 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 structure of cellyfshy / /6mo0ms?
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 w g8hy-cx/mksm,o 72g not a function of the Golgi apparatus?

  Which statement(s) about r 7m ty64cxnt(+z xz0ity:mn7 cell structure 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 min:7jxv p 9f2b:*xnw ficrograph 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 cellc /cc-j8*y. 3rkzsjgv s.


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 eukaryot 299 oaqvr.xalr0 ( rdzrrc/fc dn(+x+ic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique c skaz-z8 z3eemfh859h(dn1 zi-0cy oaharacteristics that distinguiszdk hz0eae9z(oy8 z im 3 s1-h-5fc8anh 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 6tztvsa owk)s((+ez4 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 chrom 1tjvpr1ni tn4t5xu.l ,5cku)osomes of bacterial cells?

  Cyanobacteria are przhw 5oxzqs4 k(,e)k:lokaryotes that can perform photosynthesis. Which structural feature is common to both cyanobacteria and plant ck xz5w qzhl,so)4ek (:ells?

  Which statement provides evidence for the endosym 2xibbs7nz/9 ebiotic theory?

  Which part of the cell is labelled with the letter Panbqdm8w(e/ :ha 0hfvzj * +7n?

  What feature of chloropla*yzy*vm ch0 o++ 6x c5btrxtt1sts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell takeplkw02 cy 6me.n 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 bacterium Vibrio cholerae. Whi)e9 nc9f:*3rz zdwtwr sqj 5w ekx6.f+ch of the labelled sj*r f)6t3ew.c9kq w5dxew+szz r9f: n tructures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likelcf0z4jtk sn v)3nq u(jbw+ qh jwd*)-,y responsible for the origin of mitochondria as a eukaryotic c v d(qjj) - knbw4n,)q+su03 hwfc*zjtell organelle?

  Which organelle is the site of protein synthesiglqog br /40qd 90mq7ks?

The diagram below shows a cyanob+,;rrvjj e +l0h 9xcjbacterium, 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 organelleu*;* mdxqt j3i visible in the figure below whose structure provides eqimjd*x * t3u;vidence 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 unicellwj pd, du9;;fol 8b(abular and multicellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are the oom.3a) j2f oj,77vik1o kdnr ).reqw longest cells in the human body.jo.)),7j f3e 2rmodq ro.7 1kvnkawio



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 2ctjb:spw-d7rv5v+ j an exocrine pancreas cell. Which of the labelled structures is responsible for thed2scjt +j5 -r:vwb7v p production of vesicles for exocytosis?

All organisms contain genetic material. The type,*5o hos6c 2aqu 3wbh0b quantity and location of genetic material differ between kingdoms ouhcso 6q a*305hb 2bwand 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 support:6pieal1 i fvk +h*(4n(rrpkq* rt.pp the endosymbiotic theory?4(r l:*r1ip k.pek*qt nharvpp(fi6 +

1.Outline the steps in calculating the magnifice2g/mu. /ja+y:j:v57a mjx yqm/vt yhation 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 shows a cel: fwqa.zhs 7q.-s8wcee;4my fd5p 0p ml.


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 l.h5sbl o( tt;ab4c 1crelease large amounts of carbohydrates. Which characteristics would you expect to observe ichb;(1 atcol bt.4l5 sn such cells?

The diagram below shows a celjps72suf: wzo :b0:kxl.

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 pro4h ya7v5wgt+zkaryotes?

  What is the correct magnificatior-j qz hpbm;)7n of this image?

  Which characteristic is not true for both mitochondria and chl2uq4jqa imo9b o kp0 rfoy9*-1oroplasts?

  The electron micrograph shv w/4auq3 d r/fy9d; elyk0w(yows a prokaryotic cell, Cyclotella litoralis. What is the actual diameterq4y kyufdawyd r(/;/v0e39 lw of the cell in this image?

  The electron micrograph shows an animx *uz6h2a6taq al cell.

  The electron micrograph shows a sarcomere, the smallest fd-8l e qci9*m+9c25yny i0rfptj)fskunctional unit of striated muscle tissue. What is the actual length between the two Z lineyffi sq8i2 5k+l)-cmtej ny9p0*c dr9s?

  Which organelle is formed by a vesicle vh(1n ea/ 8udzderived from the cell membrane?

  Which organism contains DNA in exactly two different iwt(uu0 z/ 8poybz95p1s u0imorganelles?

1.Outline one way unicelk: :o.lk x6g oc, m.1rjsawv4oo 2opm/lular organisms can carry out each of nutrition, movement a.o 46opgk .owmj1lco2:rxvams:, /kond 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 distingutk. 4n 3bnh e6 r2j91ghss x3hn:fdc.qishes fungal hyphae and striated muscle from the two cell types shown in the imabe9n.sd13 kg4 s th.nrnxhj26h3: qfcges?