Description of hormones
Give a brief description of the term hormones?
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Hormones are substances secreted by endocrine glands and gathered by circulation which act to produce effects on specific tissues and organs. Hormones are effectors of endocrine system.
Write down the significance of lignin for xylem formation?
Explain the trends of gametophyte in evolution of the plants?
What energy pyramids represent?
Give a brief description of homeostasis? What are the controllers, sensors and effectors of the homeostasis?
What is the main difference among plasma membrane and cell wall?
What is the relation among immune and thymus function?
Mitosis occurs with low frequency in tissues of the slow renovation, such as the bones in adults and the connective tissues. Illustrate.
Classify the excretory system of molluscs?
BLOSUM Matrices: Blosum is Blocks Substitution matrices, derived based on substitution frequencies for all pairs of amino acids within a group. This is also developed by Dayhof
Set of beliefs about a group that is applied universally to all members of that group, such as 'all poor people are uneducated' or all Asians are good at math. Stereotyping, whether positive or negative, is not good because seldom does one statement hold true for all members of a group.
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