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Walter Hintz

U.S.
Available
Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.

Chris Bemis

U.S.
Available
I will answer questions relating to the identification of bacterial and fungal isolates using phenotypic (macroscopic/microscopic appearance, biochemical bench tests, fatty-acid analysis) as well as genotypic (RiboPrinting) methods. I can also answer questions relating to environmental microbiology, especially those specifically relating to the pharmaceutical industry. I am less familiar with clinical microbiology.

Recent Answers

2016-01-30 Extreme Environment:

Hi Shuvo   Sorry if I was not clear but I was trying to point out that the word extreme is subject  to various interpretation.  The most extreme environments there are still subject to some living organisms

2016-01-29 Extreme Environment:

Hi Shuvo   This difficult to answer because the word extreme is arbitrary and is subject to various interpretation. An environment can be too hot  or too cold, too wet or two dry so we have to decide when

2016-01-26 bones:

Bipedal refers to limbs or legs  No limbs means no bones and without an internal skeleton there would be no walking.   Arthropods have a musculature attached to the exoskeleton. They are limited in size

2016-01-24 Biochemistry:

Hi Shuvo.   The digestive process is hydrolytic. Sucrose am Disaccharide is split into two monosacchrides by the addition od water ( a catabolic process)But hydrolysis does not only occur as   a catabolic

2016-01-16 Saprotrophic organisms:

Some bacteria cells absorb nutrients that are already broken down. Saprophytic bacteria cannot do this and they secrete exogenous enzymes that break down organic material and then absorb it. his is how

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