Which statement about eukar-bq0r j ffez66yotic cells is correct?

  Which are common features of bacterial ceeind*61bixhfqivq(// *q 4oc+yqz+i o 0is l* lls?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is showne obqkzur60 2/f f ca(k9ek;+p in the image?

  Which statement(s) about the fb;w7 r6gb0(wy 9qqxrsdj91gxfb0f ; 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 life on Earth evolved from the same populawzq 4mjhym92 9 uzxmtr/*t ; lo8vh)y9tion of xh/;v)uq8mz2 htrwjyl9o9t49m*myz cells?

  These photographs show the same secty1 omz46h/qgdt8d, yopwt3f)y+ b) baion of a human retina. What is the reason for the difference between the two diagrams?zo4q)a t+yw/8y, td hmdfp3b y)1 b6og

  Paramecium produces enzymes that catalyse different chemical reactiln3.7gidita 7 ;mbw1n ons taking place in the cytoplasm. What function of life 7 g i7it3nb1mnd.a;lw is demonstrated in this situation?

  What do the two labelled organelles have in commos39lru *d-dysg jsay9 b3- )uj2 kc;mvn?

  Which organelle has a double membra+ ) 1hbb4pn :0iuytd.lbmv ncm 58m(zane?

  Which row in the table correctly identifies structures wh* j3b fg5khbgvi-o) z8ich are present (✓) or absent (×) in prokaryotic and eukarvb 8jg)zk g-53if*b hoyotic cells?

  Which structure found in a eukv rvithihsms 4+/j 7)chap.6t;*i4plaryote 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 structu3dy5h5ip qiul 6d qq1(re 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 followi0bo*nd q+2+ dfc,gnubjr/v 9wng is not a function of the Golgi apparatus?

  Which statement(s) about cell stru*vz8shtq do 0q0 )z4itcture 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 bloo1ld)ec w1 :qx0ud w:xvd.


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 zb1 oh7b*)ga e.xdp:)huv4i k 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 eukaryotic and prokaryotic 7o2p9 ipwutl:w 5l u-ncells?

  Mesophyll cells are fou(mx7fd c 4 evyhp60b. xpg*lwxin:/wn6f5k + znd in plants. Plant cells have unique characteristics that distinguish them from any o0 e nz. 7gyn/vxx 6m4xflfw5b(:6i dhpk+cw *pther 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 qxsfk7+hhjs3u3d .9hthrough 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 DN9ve1 a+c:p svfxzn3c /A and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structur.o mcr507m g g;jx(pmf ps5x83 uv.vqaal feature mpog(0s. u8x j;p.ga5m 53fcq7m xrvv is common to both cyanobacteria and plant cells?

  Which statement provides evidence for the endosymbiotic ti/n xcfjue*asn0r3 x0( 6bk,o heory?

  Which part of the cell isd0fxvmbmj0 irf71mh0hsl t k8209 gz) labelled with the letter P?

  What feature of chloroplasts provides evidencwpzzswbg x0b.9 ;r3( ne for the endosymbiotic theory?

  The micrograph shows an image ofyi2libz -zr.255f-ck0u k j lk 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 bacter lg6xgy bcc3d;cnh1: z3 ((morium Vibrio cholerae. Which of tml13c3gx6n cdgo(z yb; :h(crhe labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitoch efh- eeng0(wv nd47x)ondria as a eukaryotic d (7nweef0e- hv4n)gx cell organelle?

  Which organelle is the site of pne;s l*ob2 3nf4h7tv mrotein synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatusm3ed7 :qhole xp-n1 3o.

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 7 dez oq.13dxvig )mox74-s7yc8 kvhfructure provides evidence for the endo7 q 1)4y8 ixoogzdkedvh-c7mx7vsf3. symbiotic 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 organisms are correctxb lmh3l62f8 tac205)od toqg?

Below is a diagram of a motor neuron. Neurons are the longest d-+ p *ank1rjcbx/ f76adz1uc cells in the human bo+6xa7/f-cdd1pa jck1 n *r buzdy.



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 exk(.gn 1ntvi u/i-g smfo+-hc 5ocrine pancreas cell. Which of the labelled structures i( g1/-ogh.nfn +c5mikiv -utss responsible for the production of vesicles for exocytosis?

All organisms contain genetic m, y8 -bjc+t;xr0hr najaterial. The type, quantity and location of genetic material di a0r x,8c+nryjbt; jh-ffer 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 chloroplastljj* :t3y7v u.ncz x6fs and mitochondria support the endosymbiotic theorx n:ujz* j7.3 clv6tfyy?

1.Outline the steps in calculatin dr.kelw))q ;gtqr/7fg 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 shows abbb z61a2as*h 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 proylpzn7m i(q*g c39go.hn .vp3duce and release large amounts of carbohydrates. Which characteristics would you expect to observe in such ce7o g(3 * yi3lzqp9pmgn.vchn.lls?

The diagram below shows gz ukfz/a1. 4 i)yecw0/9obfta 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 prokaryotes wdjow49 a2mq* 2lxd xf0kavf(/d:l6m?

  What is the correct magnification of this imagea,89i7faubic(evt/c grh ;0 e?

  Which characteristic is not true for both mitochondria and chloroplasts? d7q4p)ipm 4e ow9md)t

  The electron micrograph shows a prokaryotic cell, C/gsu - + )(iaxmm,dvlhyclotella litoralis. What is the actual diameter of t si-, /v(mdlu+mxg)ah he cell in this image?

  The electron micrograph shows an an h5xzqrg: 51mnimal cell.

  The electron micrograph shows a sarcomere, the smallelq5cav.0/ ukeh,o u pt6 1cbh3st functional unit of striated muscle tissue. What is the actual length between thhk0ua/h6leu5cb3c , ov.tq1pe two Z lines?

  Which organelle is formed by a ve)xay4gr f49,mr 9 tm 7-qbxdrasvdw58sicle derived from the cell membrane?

  Which organism contains fzb( 7j4:yg(,v2h jtqj6or cnDNA in exactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, move z8 g3 tt/oaupusi6+ hgsaotn;o5 v:06ment and exo58iu o t3t h+/osnzs6;tapgg:vu 6a0cretion.

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 pc4zbq z8vxj(fj7j*;19qb hxf :7hwnhyphae and striated muscle from the two cell types shozvjj4;jwx cx 1:p7 7b8z f*qb9n(hfhqwn in the images?