Which statement about eukaryotic cells is syx8kgb8.oyb * 3qis3b9b,xucorrect?

  Which are common feature;1 ummybp ad(*s of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the ii (cd,-jtpo /zokwsa;6pdx)5mage?

  Which statement(s) about the endosymbiotic ty k*4 j9lyhg5ecp0r+qlz -f;hheory 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 p3+7tozqvr k-w z1u2glife on Earth evolved from the same population oftz3 u7qoz1krpv-+ w g2 cells?

  These photographs show the sam8d 84 gnrd+v 9g1cewaye section of a human retina. What is the reason for the difference between the two diagra8+d9c4 a1y8ngrwedvgms?

  Paramecium produces enzymes that catalyse different chemical reactions tkmpj) 1hv-zk-yb s6 .saking place in the cytoplasm. What function of life is demonstrated in this situaym)z s k.1vk-p-b6 sjhtion?

  What do the two labelled organelles have in cbg4bb 5pr q x*o-v 7gppz.g9/jommon?

  Which organelle has a double membrane)(v:4+ r1rfpyi: s9-uaapnbbgnt b1a?

  Which row in the table correctly identifies struct pxiq6u6z lr7v4fnrq/sx znjk-m.39* ures which are present (✓) or absent (×) zsv9-4inqrxnz x7 l6*3rqjf6.kmu/pin prokaryotic and eukaryotic cells?

  Which structure found in a eej 6.uoaa 21nukb,z z/t33ftvukaryote 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 2/qsr:7c j eprstatements 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 is not a funcl6 ,zo2bb); rrpw5zlc tion of the Golgi apparatus?

  Which statement(s) about c4g.btjry kz;+qk; ;plell 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 micrograph of blo) d:5f):b4 nnlmxunby 5-ybxtn hq9/mod.


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 cel c:bgz 3ok2bo)od72tc ls.


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 fou xwh9+onz y,w )pta3*6 rd6czwnd in both eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. ; oblteq1 avv-ccr y1:7c+n i7Plant cells have unique characteristics that distinguin+i1e-:taocc7 qc1 ;bryv7lvsh 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(4gx;av d7; v3kii 2cwl.twiiili4k)s /zew 4 a transverse 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 describes the DNA and chromosomes of bev5 u 6fv5x 3vkl7iac82 )ipam p3jgv:acterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which struct f4:if 1xiwkhzuv2 rj3e0igk84cs-2 iural featujfk82xf-:h 4i ruv zk2i wgi4ie1 s0c3re is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosym4y2(pp z-jr*gj va .rpbiotic theory?

  Which part of the cell is label v m,dy i5;w,ku3w:rjk -gff)pled with the letter P?

  What feature of chloroplasts proviyhm ; ai32hmtqwi18qq,5a ,gc yh7jj1des evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with a light microscope.ea+p1 qaj t8f q9lp0v:

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 chokk5a g8-rvf b zg;kxpa 1s)(8jlerae. Which of the labelled structures maintains the cell(-gx8kkrvk)5z bfp;g 1s a8j a’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochondria as 16sjyo0o8 o4qqs du*8ryr7 zea eukaryoti18res ryyoj8uqs6*oz0d4o q 7c cell organelle?

  Which organelle is the site of protei:vchy-m a536r 6 wieysp4u0 wh6l gl-on synthesis?

The diagram below shows a cyanobacterium, Synechococcubynd4qs :4ycp-kv,oz2b, /a7eig i (fs 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 provides x;h-opwvoypa qbjqk /,2(; r) evidence for the endosymbiotic theoh k oqo-jpra /) ,;q(;vypbw2xry.
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 multi2q k ; -tt6:ed-sjdl vvs3-viscellular organisms are correct?

Below is a diagram of a motor neuron. Neurons are u, qm2yc,z 6gvh8 c-gmthe longest cells in the human bodyc8qg ,6-g,umc vy2 hzm.



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

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph vf7m:enxs7b/c.jx y3 shows part of an exocrine pancreas cell. Which of th 3:7cbxmsvf. je/y7 nxe labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and locwsf qz4v,1 )kfyjv x27ation of genetic material d k1vs)fx4qz fv,7y2w jiffer 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 xog -i0f-man. support the endosymbiotic theory? amfigo0 --xn.

1.Outline the steps in calculating the mag-fjy0u7ix 9tfnc t p4;kb5v t6nification 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 celk0n26q ;ngoq6/q 2rhxdof 3dpl.


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 of carbohydrates. Whi(xo0rvj+a ,fl17. oh y4typfe ch characteristics would you expect to observe in suv+a foyphr(.710j, xly o4eftch cells?

The diagram below shows a cell. ehlqoto)e i/q31e p2:

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 mitochondr(iy sazc5;z z)x(m4hmia and prokaryotes?

  What is the correct magnificad*l ya9ggy b 58d/b9yation of this image?

  Which characteristic is noml ew,0sqbcst00dp *-t true for both mitochondria and chloroplasts?

  The electron micrograph shows a pmrt1: eybq, m8lfb h9f:ayo4k4 l o*5zrokaryotic cell, Cyclotella litoralis. What is the actual diaqhb 5by48* zfm1oa4fl mlyk,9reo: t:meter of the cell in this image?

  The electron micrograph shows an animal cel, 50ixm hbhy:ql.

  The electron micrograph shows a sarcomere, the sma;+up/(rzu uph s)q k/xllest functional unit of striated muscle tissue. What is the actual length betweqk;ru/ (/ +pu h)zspuxen the two Z lines?

  Which organelle is formed by a vesicle derived frome(;yc2wqmvxw 0-3qrcs05gq k the cell membrane?

  Which organism contains DNA in 0ci tjmsj 2 1ef+/w8jgfq9z5:r 4abljexactly two different organelles?

1.Outline one way unpvlevv :f3bcm,rp /j65 d/5fuicellular organisms can carry out each of nutrition, movement and bmper 5 pf3vv5/d/jf, v:u6clexcretion.

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 otjs y32 ud o; q,ck1ehc/zj ohw)m:04muscle from the two cell types shown in t: dz/ow0jt34h12e qo,m huj; oky)c sche images?