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Growth rate

Growth rate

(Science: biology, cell culture, Ecology) The rate, or speed, at which the number of organisms in a population increases.

this can be calculated by dividing the change in the number of organisms from one point in time to another by the amount of time in the interval between the points of time.

The phrase is most often used to describe growth of cells or microorganisms in laboratory cultures and usually expressed as the generation time.

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1 small multiple choice question [population dynamics]

... initial increase in population and is often followed by an exponential growth phase (if conditions continue to be favourable), similar to what the ... been going through. If a population is small enough, the reproduction rate can be so low that there is a lag phase before any initial increase ...

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by BasicBiology
Wed Sep 24, 2014 7:47 am
Forum: Ecology
Topic: 1 small multiple choice question [population dynamics]
Replies: 1
Views: 253

question about G418 sceening test

... difference, so is that means the failure is somehow related to the fast growth rate of my cell? Any other comments? Many thanks! Sun

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by cavaliersun2003
Mon Nov 11, 2013 7:28 am
Forum: Cell Biology
Topic: question about G418 sceening test
Replies: 0
Views: 1085

Bacterial Taxonomy

... Earth was like? Assuming that all taxonomic groups evolve at the same rate, no group should be more similar to the first organisms than any other ... Nocardia , which gives resistance to dessication, but also makes colony growth significantly slower . These stain as acid-fast cells. If you've got ...

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by wildfunguy
Sat Oct 19, 2013 6:12 pm
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 4311

Photosynthesis Experiment - Do LED's work?

The rate of photosynthesis in the majority of plant species is the highest at approximately 450 ... from an LED is sufficient to maintain sufficient photosynthesis for the survival and growth of plants.

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by Coelacanth
Sun Oct 13, 2013 6:33 am
Forum: Botany Discussion
Topic: Photosynthesis Experiment - Do LED's work?
Replies: 8
Views: 6943

Which is the best calculation for growth?

Hey all, I need to quantify growth of an algal culture. I count the cell-number at the beginning of my exposure ... setup, I can not count cells in-between. If I could, I would determine a growth rate by doing a linear regression of a log-plot of my cell-nr over time and the slope ...

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by DocMorris
Tue Feb 05, 2013 3:17 pm
Forum: General Discussion
Topic: Which is the best calculation for growth?
Replies: 1
Views: 1769
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