Answer:
a thing or event that evokes a specific functional reaction in an organ or tissue
a thing that rouses activity or energy in someone or something; a spur or incentive
an interesting and exciting quality.
Explanation:
<span>George Beadle and Edward Tatum, projected the theory that only one gene and one enzyme are needed for the metabolic pathway. This has contributed to the science of molecular biology, but was proven to be an incorrect theory.</span>
Answer:
plant acids
Explanation:
A lichen consists of a photosynthetic microorganism such as, for example, a photosynthetic green alga, which is surrounded by the filaments of a fungus. Moreover, chemical weathering is a gradual process where chemicals react with the minerals in the rock to form new minerals, oxidize or simply dissolve them. Lichens can lead to chemical weathering of rocks via the excretion of organic acids (e.g, oxalic acid) capable of dissolving minerals and chelating metallic cations.
Answer: 22 pairs of autosomal chromosomes, 1 Y chromosome, and 1 X chromosome
Explanation:
The chromosomes pair are found in same number in both males and females. The male have XY chromosome and 22 pair of autosomes.
The XY pair of chrmosomes are known as sex chromosomes which decides the person is male or female.
The karyotype of the male person will have 22 pair of autosomes and a pair of sex chromosomes XY.
