Samples of bacterial deoxyribonucleic acid from bacteria having guanine plus cytosine (GC) contents in the range of 27 to 72 moles per cent GC were analyzed by optical melting (T(m)) and equilibrium buoyant density methods. The relation between these properties is shown to be linear. The relative value of 1.99 moles per cent GC per degree C change in T(m) is calculated, and a reference method f...

The sudden change in appearance of a mole (a dermatologist may call it a nevus or nevi, if there are more than one) or a recent uptick in their quantity can certainly provoke anxiety. Luckily, most types of moles are harmless. While some change in the appearance and number may occur over time, if and when the moles in question exhibit signs of concern that?s the time to seek medical attention (...

The sudden change in appearance of a mole (a dermatologist may call it a nevus or nevi, if there are more than one) or a recent uptick in their quantity can certainly provoke anxiety. Luckily, most types of moles are harmless. While some change in the appearance and number may occur over time, if and when the moles in question exhibit signs of concern that?s the time to seek medical attention (...

Spermine is a substrate of lentil (Lens culinaris) seedling amine oxidase and the oxidation products are reversible inactivators of the enzyme. The spermine is oxidized at the terminal amino groups to a dialdehyde: 2 moles of hydrogen peroxide and 2 moles of ammonia per mole of spermine are formed. The pH optimum of the enzyme with spermine is 7.9 in TI-HCI buffer; the K(m) value is 4.4.10(-4) ...

The sudden change in appearance of a mole (a dermatologist may call it a nevus or nevi, if there are more than one) or a recent uptick in their quantity can certainly provoke anxiety. Luckily, most types of moles are harmless. While some change in the appearance and number may occur over time, if and when the moles in question exhibit signs of concern that?s the time to seek medical attention (...

The sudden change in appearance of a mole (a dermatologist may call it a nevus or nevi, if there are more than one) or a recent uptick in their quantity can certainly provoke anxiety. Luckily, most types of moles are harmless. While some change in the appearance and number may occur over time, if and when the moles in question exhibit signs of concern that?s the time to seek medical attention (...

Species of the genus Staphylococcus have a guanine + cytosine (GC) content in DNA within the range 30.7-36.4 moles yo. All the Gram-positive cocci so far designated as micrococci and sarcinas which produce acid from glucose when grown under anaerobic or aerobic conditions and have a GC content in DNA within this range should be also classified as Staphylococcus. On the other hand species of the...

Light microscopy was used to investigate the anatomy of [he middle ears of some representative members of the lnsectivora, concentrating on fossorial species. An augmented version of an existing model of the middle ear of mammals (1) was used to examine the audition in air of the animals studied. A second model was used to predict the nature of bone conduction by ossicular inertia in these spec...

The sudden change in appearance of a mole (a dermatologist may call it a nevus or nevi, if there are more than one) or a recent uptick in their quantity can certainly provoke anxiety. Luckily, most types of moles are harmless. While some change in the appearance and number may occur over time, if and when the moles in question exhibit signs of concern that?s the time to seek medical attention (...

The differential diagnosis among complete moles, partial moles and hydatidiform abortions may be challenging during routine diagnostic activity. These entities share the histological aspect of enlarged villi, but here we summarize also some peculiar features of all of them. If histology does not clarify this distinction, the immunohistochemistry is the most important tool for pathologists to co...