An apricot is a fruit or the tree that bears the fruit of several species in the genus Prunus (stone fruits). Usually, an apricot tree is from the species P. armeniaca, but the species P. brigantina, P. mandshurica, P. mume, and P. sibirica are closely related, have similar fruit, and are also called apricots. Apricot tree in central Cappadocia, Turkey.
An icosahedral virus is a virus consisting of identical subunits that make up equilateral triangles that are, in turn, arranged in a symmetrical fashion. A special type of icosahedral shape, called a prolate, is a variant of the icosahedral viral shape and is found in bacteriophages.rtem is a doctor of veterinary medicine and has taught science and medicine at the college level. Learn about the different shapes viruses can have, such as helical, icosahedral, prolate, complex and enveloped. Find out why one shape is particularly useful from an energetic standpoint.
Banana bunchy top virus (BBTV) is a serious banana tree disease spread by banana aphids (Pentalonia nigronervosa). This disease causes dark green streaks or spots to form on newly emerging banana leaves. Infected banana trees produce narrow, wavy leaves with yellow margins.The affected leaves tend to bunch up at the top of the banana plant, which is how this disease earned its name. Affected trees typically don't bear fruit.his disease causes dark green streaks or spots to form on newly emerging banana leaves. Infected banana trees produce narrow, wavy leaves with yellow margins. The affected leaves tend to bunch up at the top of the banana plant, which is how this disease earned its name. Affected trees typically don't bear fruit.