Which statement about eukaryotic cells is corrkar7s0lb +wpv:/uvp +/3izb nect?

  Which are common features of bacterial cells?3dxs4q)3 udmj
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in kslf,y,u q iipw4tee9ktet+g )/-- e: the image?

  Which statement(s) about thodvcgvw61b5 h ,0*d kae 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 aly/k(x7qttyj 0:t5ms e9de:ynl life on Earth evolved from the same population os 7 tdq0 :n9ty/tky(5ym:exjef cells?

  These photographs show the same section of a human retin r)0aqnh gj;zhq g mtp2kq*7(4a. What is the reason for the difference between the two diarkhhqja*g(pz4 mt)0q2nqg ;7grams?

  Paramecium produces enzymes that catalyse different chemical reactionsa(hm02xhx 17z)oph cu taking place in the cytoplasm. What function of life is ( ahpu)o7 zmchh 0x21xdemonstrated in this situation?

  What do the two labelled organel.f64pkm oomv/ les have in common?

  Which organelle has a doub.g )q 6cuqv jiuzzz,+3le membrane?

  Which row in the table correctly i / d(,vaak t8 *hz/*za w+6iooslbji1xdentifies structures which are present (✓) or absent (×) in prokaryotic and eukaryotic cehk /b*sz1 d+j 8w/ai*zov oa6(x,itl alls?

  Which structure found infwo7:dq1 nlzdqt 15 5ft4lxc9fn:fp3 a 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 about thoa+l5k/;xsr iqr k o:i6.tqj1 e 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 function of tgu;gekbk6- 31vi.c dfhe Golgi apparatus?

  Which statement(s) abou) z(02daqlh t g;bkslvcwtk+,- uq 3i:t 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 micrograph of blogqx qxl4lkky7a1; 6c2od.


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.2e 5tq md8kb)j coli 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 cekh pq. j535yhrlls?

  Mesophyll cells are found in plant w75il87pkr nvx/o fya7uc*+vs. Plant cells have unique characteristics that distx v7u8/y5loi w+a7p *rcfk7vninguish 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 a8epe0o q2*uba 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 bacfvl9 6 rzbr1q/xp2pb *terial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Which structurfkb, 3odq4cbb;,5g* fgs3s gy al feature is common tgq byf*bs , 3fcsd5gkg4 ,3bo;o both cyanobacteria and plant cells?

  Which statement provides evyh/ q9kf2 mc ri.54vfdidence for the endosymbiotic theory?

  Which part of the cell is labelled with the *edyrqe.mgj6n64yl x1 9rgb -letter P?

  What feature of chloropla9ml097gq b-0tqu,pj f xxehcx5 eow-6 sts provides evidence for the endosymbiotic theory?

  The micrograph shows an image of*2 8xy4cysqhtyd+tp * 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 i(ufvr w1ch 4dk uhtq+72b f22below shows a cell of the bacterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protectkvc2q4h hr(fb+ud2 wi7 1t2fu s the cell from lysing during osmosis?

  Which process is most likely responsibl*;p g d/x lx; es*oqlvb5n74ple for the origin of mitochondria as a eukaryotic q4;v5 lbx *7xdpogsep;/ l*nlcell organelle?

  Which organelle is the site of prote y5 i.sry36 bsj(e 3jgixmqg t9o;(5duin synthesis?

The diagram below shows a cyanobacterium, Synechococcus elongatus3hu ut/x 67jgs6j y, ;fzl8)vovnh:j v.

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 tuuau was7q5/+ he figure below whose structure provides evide uq5/wa7ua+su nce for the 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 multiceq*n t-u bn ec5f1t(/sxllular organisms are correct?

Below is a diagram of a motor neuroj7gbkem-lfwm;q8,w:r jlx5/ dj, gi-+.qx yd n. Neurons are the longest cells in the human berkbq7; 8-5f.jdl xmqd,x lygim w: ,/j+ wg-jody.



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

2.Explain how life functions are performed by Paramecium.

  The following electron microgvym8 . a,foy 2td4xq6eraph shows part of an exocrine pancreas cell. Which of the2 v mqt.e8,fxy4ody6a labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain genetic material. The type, quantity and lo*hifxt0 0 10y.v/ar*z ge-dppvoyge( cation of genetic material differ between kv/y0xdpghv0a y*rzg if (o -.pt ee0*1ingdoms 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 abo5yv5vjk2w se2 ut chloroplasts and mitochondria support the endosymbiotic tjwk52ey v v25sheory?

1.Outline the steps in calculating the magnification of a microgq n-9kn0ol)ssbu*; zx n5(hp kraph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows sk;7eps ,ptt.nnhy(x; js b32a 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 amounts of carbohydrates.wq( fzc*f/ bm:g 2vdf) Which charactv2 :ffmq)(*fgcd/wzberistics would you expect to observe in such cells?

The diagram below shows a cell uvhy6xbaj/;sr:b)5)1.cz 2xec*grcuim 8kq.

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 proka y68uqe bn.fx)ryotes?

  What is the correct magnification of thsemjel :8;8xu.ilv3ga/x9f 6n xpvxq6( bcp( is image?

  Which characteristic is not true for both mitochondria and chloro3h, 8ur2z oz(xb1mzqh plasts?

  The electron micrograph shows a prokarx* /c:*msji/tgc z42nt f bku,yotic cell, Cyclotella litoralis. What is the actual diameter of the cell in this imat:n42/x j*cifgz sc,uk*bm/ tge?

  The electron micrograph s; mnuce4oz2g4 hows an animal cell.

  The electron micrograph shows a sarc6v7b2tbeu fx2 +7 ah1 ls4kumyomere, the smallest functional unit of striated muscle tissue. Wha4l7em+ u vyh61bt2 fu7akxbs2t is the actual length between the two Z lines?

  Which organelle is formed by ac(:l n2duzk *ig og7 ;romn4:u vesicle derived from the cell membrane?

  Which organism contains DNA in exactly two different organelle 5srq4a jenv x):(t3ygs?

1.Outline one way unicellular organisms can carry out e*/y-a(pzi /yy q bayv8ach of nutrition, movement and excretio*v8/aba/ y yp yqy-(zin.

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 muojb)ym0 i6lv tz)3oz:z6 ,dp cscle from the two cell type)tcy6,0lmjo6iz vz pz3db)o :s shown in the images?