Which statement about eukaryotic cells is copif5j4c-w)rgsu :l4u3x9o wu rrect?

  Which are common features of bacterial y cv5uk 093r*ebj/rkm cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is show tpn6 cdon/c73n in the image?

  Which statement(s) about the endosymnb1;yvk tu h*83/y(ieydx i)ebiotic 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 evolved2 0vrwco,te hijyx*31q ;g8 dq from the same population of cells?qwqgoty1 ehv0ri 28d j*x3 ;,c

  These photographs show theabpf 6spk2 :bzcl w(y3m sl521 same section of a human retina. What is the reason for the difference between the two dial 5pl6wf(: 1 b3c2k2sszamypbgrams?

  Paramecium produces enzymes that catalyse different chemical reactxz3tz+l +*jdyions taking place in the c3j+zz*x t+ dylytoplasm. What function of life is demonstrated in this situation?

  What do the two labelled org8,pnr a vqo9y/br5.wtanelles have in common?

  Which organelle has a double memb tdii 19rs4x8kcme*o535 8uq jhy3efjrane?

  Which row in the table correctly identifies structure+mxvq/ 1.4vfa guy m4c hqgr2*s which are present (✓) or absent (×) in prokary .mry1/qu xqf+v 44g*vc2gam hotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membrk:0f5 prhd10yxu 3.l bwsu+f lane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statgu/ql00vuega l(9p; dements are true about the structure 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 itec* er 1.s0ivs not a function of the Golgi apparatus?

  Which statement(s) abo jowm.y /7ja/kr9kc/w ut 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 microgr *z qyn1h)anmf/w)mr2aph 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. yg+ 56mmerqi +q2 aiu2vg *0docoli 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 eukar-e4 ybh2;: ehxr;bhrbk+ m eocj/9km +yotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics t+edt k-u6k5iap :pb1 ,wy 7tjwhat distinguish them fro-i61 bpw 7 dkutj5+wpatek, y:m 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 k5apnv;fd//h4x7z bc 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 descr 4zk99gkux 1(oee sfh6ibes the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. 4;qb ) yf:vhbqWhich structural featuby qqhbf4v:); re is common to both cyanobacteria and plant cells?

  Which statement provides evidence for h 1gv3+n2 mpplab5:t ebc9 0vzthe endosymbiotic theory?

  Which part of the cell is labelled with the letter Pae;l keb1o/l/wc jq**?

  What feature of chloroplasts provides evidew cqpx 4.eth*4nce for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light micr(b xy- :wcmmz r+f.2kjoscope.

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 cho oc2s5ad3q0qh lerae. Which of the labelledo0qh2c qa5ds3 structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely res ) ngcx1ymqj:t8bw1j--rb d m1ponsible for the origin of mitochondria as a eukaryotic crjjm wn b-cbt dmygx8:1)-11qell organelle?

  Which organelle is the3i/ tkkt+d.3 up.pw (xsyrw 9z site of protein synthesis?

The diagram below shows a cyanobacterium, S 7lzdnq8wuin.11 7e7lypo l 3qynechococcus 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 structure proviuz:8t3h18rq7h(u yn+kc tbeades evidence for theqh8u(uy b+h k3 ectn1z7r:ta 8 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 unicellular and mnkc5x .d hwcs+ 2b::neulticellular organisms are correct?

Below is a diagram o5ckb,c gt1ra- f a motor neuron. Neurons are the longest cells in the human body. 5 cbt-k,a c1rg



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 o st4u o3c4md(wghgo)xr l+*d )f an exocrine pancreas cell. Which of the labelled structures is responsible for th(smd+w)uotldog) hx 34gr c4*e production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of glt1sd)mv*v1u enetic material d)d1u* 1 vvlstmiffer 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 5( a7qjw duqkt)-dtkdafi 1/8chloroplasts and mitochondria support the endosymbiotic theor /d (ku1)qdafw-ad7 j5kt8iq ty?

1.Outline the steps in calculati n6dsrjx5 2ia:0ge y b:h8yos9ng 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 sh b9luhu1caazy/.fd kmo6+n 05ows 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 amou:fa+:/i kywyv nts of carbohydrates. Which characteristics would you expect to observe in wfyva+ y: :k/isuch cells?

The diagram below shows a celk0;wjtg a(zf,x3ljz (fjg3 ,p l.

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 a c7w/m8ktj noy*yur9:nd prokaryotes?

  What is the correct magnification of this imaau, optt)f3cv( i pi61t(dds :ge?

  Which characteristic is not true for both mitochondria and chloro pp )59au- zbfkqkxk3,plasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis4g9pfhqbl8 3 k. What is the actual diamet89hgfqbk 43 lper of the cell in this image?

  The electron micrograph shows an anim:owy 7iady+q 8al cell.

  The electron micrograph 00q1zpa. ncgr d-m lj.shows a sarcomere, the smallest functional unit of striated muscle tissue. What iqmnp. 1cag.z0d-r j 0ls the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived f vj8pp mr7rx;5rom the cell membrane?

  Which organism contains DNA in exactly two different orga3p,y6flth thr6e 14c jggpyd 9f:.1udnelles?

1.Outline one way unicellular organisms3e p+gf) zese* can carry out each of nutrition, movemenz)fge3e e+s* pt 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 fungal hyphae and striated muscle from the two wz8e*geoih26 t;frn fj* 9+x4h r;h gzcell types shwfhi z rg*hj+*nrg 9 f2t8z;e6eox 4h;own in the images?