fatty acids
constitutive
Enzymes are the substances present in the cell in small amounts that function to speed up or catalyze chemical reactions. Characterstics of Enzymes: * Chemically,enzymes are generally globular proteins. * Enzymes are catalyst that break down or synthesize more complex compounds. * Enzymes are only present in small amounts in the cell since they are not altered during their reactions. * Enzymes are highly specific for their substrate.
When any sugar is metabolized under anaerobic conditions (fermentation), there is increased acid production; thus the butt of the tube remains acid for a longer period of time. When glucose only is fermented, acid is produced throughout the medium but due to the relatively low concentration of glucose in the medium and the aerobic metabolism that is present on the slant, nitrogenous metabolic end products soon change the reaction of the slant to alkaline. These alkaline products neutralize the small amounts of acids present in the slant but are unable to neutralize the large amounts acid present in the butt. Thus, the appearance of an alkaline (red) slant and an acid (yellow) butt after 24 hours incubation indicates that the organism is a glucose fermenter but is unable to ferment lactose and sucrose. Bacteria that ferment lactose or sucrose (or both), in addition to glucose, produce such large amounts of acid that the oxidative deamination of protein that may occur in the slant does not yield enough alkaline products to cause a reversion of pH in that region. Thus, these bacteria produce an acid slant and acid butt. The inclusion of sucrose permits separation of certain Proteus organisms which ferment sucrose from the salmonellae since both of these groups of organisms are lactose-negative and both may produce hydrogen sulfide.AC
It is an advantage because when the substance is present, the genes responsible for it metabolism are turned on.
A negative result for the spores stain indicate that the gram-negative organism is present. A positive result for a spore stain indicates that a gram positive organism is present.
fatty acids
It's called "Aerobic Metabolism"
It's called "Aerobic Metabolism"
Increased is the past tense of increase.
The present tense of indicated is:I/You/We/They indicate.He/She/It indicates.
Adipose tissue is fat tissue, lipids are therefore present in large amounts.
Yes the form is -- have/has + past participle. My wages have increased. The price of petrol has increased.
yes, cellular respiration
The present perfect tense.
Yes, but in very small amounts. It is present in water vapour.
benign
the word 'ferrous' indicates that there is Iron present.