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Neutrophils have a diameter range of 9-10 micrometers, where as macrophages (being larger than neutrophils) are about 21 micrometers in diameter.What is the diameter of phagocytes?
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Neutrophils have a diameter range of 9-10 micrometers, where as macrophages (being larger than neutrophils) are about 21 micrometers in diameter.What is the diameter of phagocytes?
In plants, it is a thin layer of parenchyma found in roots, just outside the vascular bundle. It regulates water flow. It consists of a single-celled ring which forms a selective barrier between the outer cortex and the inner pericycle tissue. In the roots, the endodermis cells are impregnated with suberin; a waxy substance which is water resistant, to form distinctive Casparian strips and prevent movement of water via the apoplast pathway. Water carrying mineral salts can only enter the root through the interior of cells (the symplast) as opposed to passing between cells (the apoplast). This means that the plant can directly regulate what enters the root proper. The endodermis cells contain starch granules as energy store. Mineral ions are actively secreted into the xylem vessels to maintain root pressure.Please Describe the function of the endodermis in roots.
In 5(c), thiourea acts as an inhibitor. Though it temporarily binds to the enzyme, it still manages to lower the reaction rate. substrate molecules are still broken down but will take a longer span of time. Hence, the curve should be lower than the original one beacuse, thiourea will inhibit the reaction to some extent.http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Biology (9700)/9700_s06_qp_2.pdf
Q.5 c part. how is the curve after the addition of competitive inhibitor lower then the previous curve drawn. plz try it
Chromatids move to opposite poles and are pulled by the spindle fibres (centromeres being attracted first). Nuclear envelope and nucleolus reforms. When the chromatids have reached the poles of the spindle, they'll uncoil to form chromatin (making themselves less thicker). Cytokinesis occurs in which the cytoplasm constricts from the edges of the cell to divide into two. After this You can mention about what happens during interphase. Centrioles will replicate. and DNA replication takes place.hi all, please tell me that what happens to a chromosome between the end of anaphase and the start of the next mitosis.
I think wht they've done here is, that they measured just the small bracket line where it's written o.5 micrometers. that comes like 1.4cm=1.4 x 10,000= 14 micrometers/0.5 gives us x 28000.http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Biology (9700)/9700_s06_qp_2.pdf
question number 4 a part. how is the magnification 30,000. i mean the width is around 12 cm, so in micrometers it will be 120000 right? divided by 0.5 um. gives 240,000 X .
tell me one thing that 1 cm = 1 into 10000, is this conversion correct?
http://en.wikipedia.org/wiki/Endodermis#Function_of_the_EndodermisIn plants, it is a thin layer of parenchyma found in roots, just outside the vascular bundle. It regulates water flow. It consists of a single-celled ring which forms a selective barrier between the outer cortex and the inner pericycle tissue. In the roots, the endodermis cells are impregnated with suberin; a waxy substance which is water resistant, to form distinctive Casparian strips and prevent movement of water via the apoplast pathway. Water carrying mineral salts can only enter the root through the interior of cells (the symplast) as opposed to passing between cells (the apoplast). This means that the plant can directly regulate what enters the root proper. The endodermis cells contain starch granules as energy store. Mineral ions are actively secreted into the xylem vessels to maintain root pressure.
Hope it helps.
U need not to go for the length much as long as all the required points are covered. marking schemes give a very brief "hint" about the points which are needed. therefore u need to elaborate a bit of each point. im sure it wud get you more than half a pageokay i just have a small confusion regarding Section B. my answers are really short. they do cover all the points in the marking scheme but are hardly half a page. specially the 8 mark question. is it okay? also.. the ms has short points. are they sufficient enough to gain full marks or do we have to elaborate on them?
Thankyou sooo much idolfanatic, that really helped, i had lost the hope of getting any help here but you did itI think wht they've done here is, that they measured just the small bracket line where it's written o.5 micrometers. that comes like 1.4cm=1.4 x 10,000= 14 micrometers/0.5 gives us x 28000.
If you've noticed in all marking schemes, the measurement given are little larger than the ones we have been calculating so if there's a small difference like the one calculated above, it's okay. the measurements vary 'cause of the printing variations.
No worriesThankyou sooo much idolfanatic, that really helped, i had lost the hope of getting any help here but you did it
Awesooooooooome!! Cha Gaay ho! speechless. . Thanks a lot. very timely help.Some repeated figures include plant root, leaf and stem & Artery, vein or capillary shud be considered here as well. Im myself not so good with plan diagrams but these links might help you out:
http://mrskingsbioweb.com/AICE Biology/Plan_diagrams_and_high_power_drawings.pdf
http://hhsibbio09.wikispaces.com/message/view/Topic 9 - Plants/18140315?o=20#18792997
http://click4biology.info/c4b/9/plant9.1.htm
http://sweetibnotes.blogspot.com/2011/07/topic-9-plant-science.html
Vein and artery are quite simple to make though.
Haha no problem. im actually doing bio these days so you see all this comes so. . .Awesooooooooome!! Cha Gaay ho! speechless. . Thanks a lot. very timely help.
cool. i have a practical paper on 8th may, and i don't know much about it. actually lack of practice. the last thing i fear is that my grade gets ruined by the practical paper. done with buffering gonna see the video you uploaded.Haha no problem. im actually doing bio these days so you see all this comes so. . .
Are you doing varient 33 ??cool. i have a practical paper on 8th may, and i don't know much about it. actually lack of practice. the last thing i fear is that my grade gets ruined by the practical paper. done with buffering gonna see the video you uploaded.
cool. i have a practical paper on 8th may, and i don't know much about it. actually lack of practice. the last thing i fear is that my grade gets ruined by the practical paper. done with buffering gonna see the video you uploaded.
cool. i have a practical paper on 8th may, and i don't know much about it. actually lack of practice. the last thing i fear is that my grade gets ruined by the practical paper. done with buffering gonna see the video you uploaded.
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