Which statement about eukaryotic cells isdnh jb- :7v5nc *rk9yu correct?

  Which are common features of bacteri);ns k7 2wmwrwal cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown 0f9egx:yht c +o1mj ,iin the image?

  Which statement(s) about the ec;rfb z6y g5r3ndosymbiotic 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 s)hsq*f7mj/cubp+ b9 on Earth evolved from the same population of ceqs)mb+bf7shju p* 9/clls?

  These photographs show the same section of a human retina. What ioi 5 )vi ;l5 dlkr1/-wxrzu+ rmspl,w.s the reason for the difference beudm) .zvil5 x+ikrws 15l/,ro rp- ;wltween the two diagrams?

  Paramecium produces enzymes that catalyse different chemical reactions fnm h)r4iw1l5 taking place in the cytoplasm. What function of life is demonsthl m1)fiw4n 5rrated in this situation?

  What do the two labelled jw.scufu90 9l. mb /uu/ey,oiorganelles have in common?

  Which organelle has a double me nev f/b+iyqnp*mw.. 7mbrane?

  Which row in the table correctly identifies structures which are present (✓vhlmwc 317ncrde /k5+) or absentr1lnme/5hcw7d ck+3 v (×) in prokaryotic and eukaryotic cells?

  Which structure found in a eukaryote has a double membraiq( jo rb).t9btba1v ms pc*nd;tt/- +ne?

  
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 cellssffblo:n8- ;m) yi5o,pdbw:vfea(3 r ?
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 function7nx9 g3vzv:ai of the Golgi apparatus?

  Which statement(s) about cell struckv+eug j- *td)k83veqture 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 micrograpcbgwza1 8 09wah 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. colmgw 69pgo jjr)a0h. +8rxukzs;p/ 2pji 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 bo sk r/d(05hv fmi0n)mfth eukaryotic and prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characteristics t5;4t 8yxd fo:giv-ize hat distinguish them from an;5y eotfzg8:v-xi 4 diy 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 seorks(s efx(5 f;65dwk ction 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.akn)4 ) kmtbr the DNA and chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which struc: /3i7skqzei nq.bl9 ttural feature is common to both cyanobacte.s9nlitqze 3iqk:/b 7 ria and plant cells?

  Which statement provides evidence for the endosymbiwm4pyvx sx /j1 :j/: l7o1h q-dsthz,aotic theory?

  Which part of the cell is labelled with the lette ua(mk 4ir(3dcr P?

  What feature of chloroplasts prcwz z)mz-; k5tovides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plampr kjr56 7vx;nt 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 backoje9t,wnb2w a6 vp6h43 w:twterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shap 94vob6a2w t6:ne 3thj,wwkwpe and protects the cell from lysing during osmosis?

  Which process is most likely responsible for the origin of mitochon*wg i 1hd7wgq0dria as a eukaryotic cell organ 1h0 wqgidgw7*elle?

  Which organelle is the site of protein synthe41w w2p3 leg p k;uc:8pqvhjx;sis?

The diagram below shows a cyanobacter hl n8 c6;z0y+hzv2u+lmxwrc a+z us16ium, 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 organellek3 ( ggtlg:fwe6ws5gf1mu1o 3 visible in the figure below whose structure provides evidence for thfg1 w 6w3 :lug1m(o 5tfsg3kgee 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 unicelluy3m 8 jvb+bj 780tm l;+mxkixkzgym,*lar and multicellular organisms are correct?

Below is a diagram of a motor neuron.zkd- vs4w( 4lobe1,qb Neurons are the longest cells in the human bo,4dsv wbe-1q4 lbk (zody.



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 ofasyla9n, -xu 8 ,e-kqqs .rsr3 an exocrine pancreas cell. Which of the labelled structures is resp8nlesayax-,3u k9q q-s s,.rronsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and location of gni 5rhnpm-(gmfaps .s-./5 kcenet c.fk.aspn-( ms55/ p nhmr-giic material 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 eng hk,6. yxqapg3pvbd-c;;9yzdosymbiotic tp6hb ;apz-3dg9vkcxy q ;, gy.heory?

1.Outline the steps in5ubdpz3 l /oo3 calculating 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 a ndc u kmfy (e3pt+aeb1eya5a0h* - g,9cell.


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 carbohydrtpq0q-kt3m; ixi-2ob1mj7y s ates. Which characteristics would youyik-qixq m3b2j to0s 7; p1t-m expect to observe in such cells?

The diagram below shf9w/x6hei 5/rfo :a mx9f-gru ows a 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 mitochondr )/m.jpqb -f:-mefrn)j z)ei bia and prokaryotes?

  What is the correct magnification of this i9u/v. zu1el)tij/ p1ifd*qlumage?

  Which characteristic is not true for both mitoch1q6gixyb dw (zvf-y.: r 1nh)aondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotelllu m1+jr juc/cj,9y5ja litoralis. What is the actual diameter of the c 9jcju+ jl5cu /yjrm1,ell in this image?

  The electron microgra/o*5bh*ds wy iph shows an animal cell.

  The electron micrograph shows a s*- wrpyu, qlp7arcomere, the smallest functional unit of striated muscle tissq wr7p*py,u- lue. What is the actual length between the two Z lines?

  Which organelle is formed by a vesicle derived from the cel7u wmbl 7m)*tnl membrane?

  Which organism contains DNA in exactly two different zmd .7sfq-nc+gpq ju /42e a+eo2 iz;sorganelles?

1.Outline one way unicellula6(n v0kog); kixim5i tr organisms can carry out each of nutrition, movement ant6iig x5o )( ;kk0nmivd 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 cenf1 w8 pld b:)xg6k3otll types o:3 nbl t81f6kdwxpg)shown in the images?