Which statement about eukaryotic cells ofbkg0 c9j24 6a3. 1kpcr trrbis correct?

  Which are common features of bacterial cells4jw kxd+v)f t:z .th;h-rwrp 3?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the imageoysf 1dtqbq:05j y -f .5nzx2i?

  Which statement(s) abo t,n8xj(( +*ph hggfdlut the 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 th9z e59l:x /5rodwogphat all life on Earth evolved from the same population oogh5xoz:r9/ew 9pd 5lf cells?

  These photographs show the same section of a human retina. W+h4b nbo jp;d;hat is the reason for the difference betwjbhnd;4;b p o+een the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions taking pjhf7 /90r gmf d c0te4r+k+isqy51 zhulace in the cytoplasm. What funcc0/t +5i ur7m1r +yk 9fh4hegjdz0sfqtion of life is demonstrated in this situation?

  What do the two labelle xlb,mk*0 3 uvcm.gar-r (lv2ld organelles have in common?

  Which organelle has a doub 8 1ca wued+tfv hjlmo.04t,b7le membrane?

  Which row in the table correctly identifies structures which are gkg/j zg48gj 92+ryji7zcm9, hm t sb3 4mrrr2present (✓) or absent (×) in prokaryrcgmhizm jj98 4g 2 g+7249zbtmgs ,yrrjr3/kotic and eukaryotic cells?

  Which structure found in aiy;w qgw y2bff mm*4/qg38f0t 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 aboue 08wx*g:jd (;ok(7umhg gbf7 c0gwift 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 cll,th; cpa;vl+3 jh 5not a function of the Golgi apparatus?

  Which statement(s) about cell structure is/are ckbc)-d96f9ddtcf,p0d/ jrf w*xa2 m 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 microgrkojc.wu, 1)p2g r*xugaph 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 75orm b6zusx4o o /4-i e2rxwbmh,tr1cells.


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 prokaryv kun (h8vpq ;o (tit+e9g7-gdg*ded7otic cells?

  Mesophyll cells are found in plants. Plant cellsx:r1w k -nb1wf99a9hf bz;v 1m nn,vhc7nze 5w have unique characteristics that distinguish them from a ;v9,hme wzwn7c xnr9w51f:1nnhav-bb 91z fkny 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 througv ygwrn*f939 vc2jr(o h 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 describes8df1a boh1x+v the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynjhazz0 jyg(zy8xv *cm*q 2o 41thesis. Which structural feature is common to both cyanobacteria and plant cellsvjg4mo**z1azyj 28(0y qc z xh?

  Which statement provides evidence for the endosymbiol 4gi26kfvyo tl)qy2z;sjk)x r 21.h atic theory?

  Which part of the cell is la7s2. uw5lmbhr belled with the letter P?

  What feature of chloroplasts provides evidence for the endosymbptfyrk*)5is4y 3(5fq yy., mwwjfa y;iotic theory?

  The micrograph shows an image of a plant cell taken with a lzw+xv: xdr ;(e22cpy, lva.(sclvv 0pight 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 bacteri;zn , *znizm0bum Vibrio cholerae. Which of the labelled structures maintains the cell’s s n,bz;n i0m*zzhape and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mcqt.b0wpa6) q n)xl +zitochondria as a eukaryotic cqb0z+lwq at)6. cp x)nell organelle?

  Which organelle is the site of prote pnbr:lts0 a 7m*h i3t:35p2*yvy wrsyin synthesis?

The diagram below shows a cyanobacterium, Synechoco)w2flk5fpm .)mh e :n.j bzvle17h nk(ccus 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 visio /inq ow h6kf.82tdt)ble in the figure below whose structure provides evidence for the endo8h t .i62f)qkw/ otondsymbiotic 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 correct?;lh2)sro v 3txy 1lea1

Below is a diagram of a motor neuron. Neuroako -h yjohftm37m* 47ns are the longest cells in the human bod 7mojma7ht f4-khoy3*y.



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 cell. Whic/y38p8bechcj h of the labelled structures is responsib8h8 / e3cypcjble for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, q60( xh can6jtmuantity and location of genetic materihna6t60cm (j xal differ 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 support the endosymbiotic th;:x8lq1e xekw bha(0h*l:2 r wj./m wpkcj+ch 2k8*:; hprw.hqe1ljk:bwjw( +e/mh0 cxacl xeory?

1.Outline the steps in calculatinl44 3tiy itna;g 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::jzf5h :pb yfows 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 relt)qyau k-1nspst 0g,3 ease large amounts of carbohydrates. Which characteristics would you expect to obsg10tqpsat yn ),u k3-serve in such cells?

The diagram below shows a ce,7hm 1cabxz s0v6-uc co- l*ffgc,8 xsll.

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 prokars6pd lrr -t1v sn8fd01yotes?

  What is the correct magnification of this imr5m8+26a4ls yja t bceage?

  Which characteristic is not true for both mitochondria and chlords9qn;dz.e 1 l0* /zvm(zgagc oplasts?

  The electron micrograph shows a prokary w+ 9klgp8f1wtn pe9s1otic cell, Cyclotella litoralis. What is the actual diameter of the cellg p9elfsk w18p1ntw9+ in this image?

  The electron micrograph shows an animal cel n)6;d8ecvruu( rpaqfmrf:- 1 l.

  The electron micrograph shows a 9eaqieoj8m t *1 m;ls;sarcomere, the smallest functional unit of striated muscle tissue. What is th ;9a lme1t;qemjo s*i8e actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cells4rn8jxc1ap p3q9jhony )e 2. membrane?

  Which organism contains DNA in /1*ngn9ub0 i qryn; t 1lar5srexactly two different organelles?

1.Outline one way unicellular organisms can carry out each of nutrition, mabmqrvd6c *+tgvvo3ix.i1 25 ovement and excretivbv35xa 12.dcm* g6+ rovtiqion.

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 f,obu (gxl ;:yorom the two cell types u,o:bogx yl(;shown in the images?